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  • delphi公用函数

    {*******************************************************}  
    {                                                       }  
    {             Delphi公用函数单元                        }  
    {                                                       }  
    {        版权所有 (C) 2008                           }  
    {                                                       }  
    {*******************************************************}  
    unit YzDelphiFunc;  
      
    interface  
      
    uses  
      ComCtrls, Forms, Windows, Classes, SysUtils, ComObj, ActiveX, ShlObj, Messages,  
      Graphics, Registry, Dialogs, Controls, uProcess, uCpuUsage, StrUtils, CommCtrl,  
      jpeg, WinInet, ShellAPI, SHFolder, ADODB, WinSock;  
      
    { 保存日志文件 }  
    procedure YzWriteLogFile(Msg: String);  
      
    { 延时函数,单位为毫秒 }  
    procedure YzDelayTime(MSecs: Longint);  
      
    { 判断字符串是否为数字 }  
    function YzStrIsNum(Str: string):boolean;  
      
    { 判断文件是否正在使用 }  
    function YzIsFileInUse(fName: string): boolean;  
      
    { 删除字符串列表中的空字符串 }  
    procedure YzDelEmptyChar(AList: TStringList);  
      
    { 删除文件列表中的"Thumbs.db"文件 }  
    procedure YzDelThumbsFile(AList: TStrings);  
      
    { 返回一个整数指定位数的带"0"字符串 }  
    function YzIntToZeroStr(Value, ALength: Integer): string;  
      
    { 取日期年份分量 }  
    function YzGetYear(Date: TDate): Integer;  
      
    { 取日期月份分量 }  
    function YzGetMonth(Date: TDate): Integer;  
      
    { 取日期天数分量 }  
    function YzGetDay(Date: TDate): Integer;  
      
    { 取时间小时分量 }  
    function YzGetHour(Time: TTime): Integer;  
      
    { 取时间分钟分量 }  
    function YzGetMinute(Time: TTime): Integer;  
      
    { 取时间秒钟分量 }  
    function YzGetSecond(Time: TTime): Integer;  
      
    { 返回时间分量字符串 }  
    function YzGetTimeStr(ATime: TTime;AFlag: string): string;  
      
    { 返回日期时间字符串 }  
    function YzGetDateTimeStr(ATime: TTime;ADate: TDate): string;  
      
    { 获取计算机名称 }  
    function YzGetComputerName(): string;  
      
    { 通过窗体子串查找窗体 }  
    procedure YzFindSpecWindow(ASubTitle: string);  
      
    { 判断进程CPU占用率 }  
    procedure YzJudgeCPU(ProcessName: string;CPUUsage: Single);  
      
    { 分割字符串 }  
    procedure YzSeparateTerms(Source: string;Separator: Char;Terms: TStringList);  
      
    { 切换页面控件的活动页面 }  
    procedure YzGotoNewPage(AOwerPage: TPageControl;ANewPage: TTabSheet);  
      
    { 设置页面控件标签的可见性 }  
    procedure YzSetTableVisible(PageControl: TPageControl;ShowFlag: Boolean);  
      
    { 根据产品名称获取产品编号 }  
    function YzGetLevelCode(AName:string;ProductList: TStringList): string;  
      
    { 取文件的主文件名 }  
    function YzGetMainFileName(AFileName: string): string;  
      
    { 按下一个键 }  
    procedure YzPressOneKey(AByteCode: Byte);overload;  
      
    { 按下一个指定次数的键 }  
    procedure YzPressOneKey(AByteCode: Byte;ATimes: Integer);overload;  
      
    { 按下二个键 }  
    procedure YzPressTwoKeys(AFirstByteCode, ASecByteCode: Byte);  
      
    { 按下三个键 }  
    procedure YzPressThreeKeys(AFirstByteCode, ASecByteCode, AThirdByteCode: Byte);  
      
    { 创建桌面快捷方式 }  
    procedure YzCreateShortCut(const sPath: string; sShortCutName: WideString);  
      
    { 删除桌面快捷方式 }  
    procedure YzDeleteShortCut(sShortCutName: WideString);  
      
    { 通过光标位置进行鼠标左键单击 }  
    procedure YzMouseLeftClick(X, Y: Integer);overload;  
      
    { 鼠标左键双击 }  
    procedure YzMouseDoubleClick(X, Y: Integer);  
      
    { 通过窗口句柄进行鼠标左键单击 }  
    procedure YzMouseLeftClick(lpClassName, lpWindowName: PAnsiChar);overload;  
      
    { 通过光标位置查找窗口句柄 }  
    function YzWindowFromPoint(X, Y: Integer): THandle;  
      
    { 等待窗口在指定时间后出现 }  
    function YzWaitWindowExist(lpClassName, lpWindowName: PAnsiChar;  
      ASecond: Integer = 0): THandle;overload;  
      
    { 通光标位置,窗口类名与标题查找窗口是否存在 }  
    function YzWaitWindowExist(X, Y: Integer;AClassName, AWinName: string;  
      ASecond: Integer = 0):THandle; overload;  
      
    { 等待指定窗口消失 }  
    procedure YzWaitWindowClose(lpClassName, lpWindowName: PAnsiChar;  
      ASecond: Integer = 0);  
      
    { 通过窗口句柄设置文本框控件文本 }  
    procedure YzSetEditText(lpClassName, lpWindowName: PAnsiChar;  
      AText: string);overload;  
      
    { 通过光标位置设置文本框控件文本 }  
    procedure YzSetEditText(X, Y: Integer;AText: string);overload;  
      
    { 获取Window操作系统语言 }  
    function YzGetWindowsLanguageStr: String;  
      
    { 清空动态数组 }  
    procedure YzDynArraySetZero(var A);  
      
    { 动态设置屏幕分辨率 }  
    function YzDynamicResolution(X, Y: WORD): Boolean;  
      
    { 检测系统屏幕分辨率 }  
    function YzCheckDisplayInfo(X, Y: Integer): Boolean;  
      
    type  
      TFontedControl = class(TControl)  
      public  
        property Font;  
      end;  
      TFontMapping = record  
        SWidth : Integer;  
        SHeight: Integer;  
        FName: string;  
        FSize: Integer;  
      end;  
      
      procedure YzFixForm(AForm: TForm);  
      procedure YzSetFontMapping;  
      
    {--------------------------------------------------- 
     以下是关于获取系统软件卸载的信息的类型声明和函数 
     ----------------------------------------------------}  
    type  
      TUninstallInfo = array of record  
        RegProgramName: string;  
        ProgramName   : string;  
        UninstallPath : string;  
        Publisher     : string;  
        PublisherURL  : string;  
        Version       : string;  
        HelpLink      : string;  
        UpdateInfoURL : string;  
        RegCompany    : string;  
        RegOwner      : string;  
      end;  
      
    { GetUninstallInfo 返回系统软件卸载的信息 }  
    function YzGetUninstallInfo : TUninstallInfo;  
      
    { 检测Java安装信息 }  
    function YzCheckJavaInfo(AUninstallInfo: TUninstallInfo;CheckJava6 : Boolean = False): Boolean;  
      
    { 窗口自适应屏幕大小 }  
    procedure YzAdjustForm(Form: TForm;const OrgWidth, OrgHeight: integer);  
      
    { 设置窗口为当前窗体 }  
    procedure YzBringMyAppToFront(AppHandle: THandle);  
      
    { 获取文件夹大小 }  
    function YzGetDirSize(Dir: string;SubDir: Boolean): LongInt;  
      
    { 获取文件夹文件数量 }  
    function YzGetDirFiles(Dir: string;SubDir: Boolean): LongInt;  
      
    { 获取文件大小(KB) }  
    function YzGetFileSize(const FileName: String): LongInt;  
      
    { 获取文件大小(字节) }  
    function YzGetFileSize_Byte(const FileName: String): LongInt;  
      
    { 算术舍入法的四舍五入取整函数 }  
    function YzRoundEx (const Value: Real): LongInt;  
      
    { 弹出选择目录对话框 }  
    function YzSelectDir(const iMode: integer;const sInfo: string): string;  
      
    { 获取指定路径下文件夹的个数 }  
    procedure YzListFolders(const Path: String; const ShowPath: Boolean;var List: TStrings);  
      
    { 禁用窗器控件的所有子控件 }  
    procedure YzSetSubCtlState(AOwer: TWinControl;AState: Boolean);  
      
    { 模拟键盘按键操作(处理字节码) }  
    procedure YzFKeyent(byteCard: byte); overload;  
      
    { 模拟键盘按键操作(处理字符串 }  
    procedure YzFKeyent(strCard: string); overload;  
      
    { 锁定窗口位置 }  
    procedure YzLockWindow(ClassName,WinName: PChar;poX,poY: Integer);  
      
    {   注册一个DLL形式或OCX形式的OLE/COM控件 
        参数strOleFileName为一个DLL或OCX文件名, 
        参数OleAction表示注册操作类型,1表示注册,0表示卸载 
        返回值True表示操作执行成功,False表示操作执行失败 
    }  
    function YzRegisterOleFile (strOleFileName: STRING;OleAction: Byte): BOOLEAN;  
      
    function YzListViewColumnCount(mHandle: THandle): Integer;  
      
    function YzGetListViewText(mHandle: THandle; mStrings: TStrings): Boolean;  
      
    { 删除目录树 }  
    function YzDeleteDirectoryTree(Path: string): boolean;  
      
    { Jpg格式转换为bmp格式 }  
    function JpgToBmp(Jpg: TJpegImage): TBitmap;  
      
    { 设置程序自启动函数 }  
    function YzSetAutoRun(AFilePath: string;AFlag: Boolean): boolean;  
      
    { 检测URL地址是否有效 }  
    function YzCheckUrl(url: string): Boolean;  
      
    { 获取程序可执行文件名 }  
    function YzGetExeFName: string;  
      
    { 目录浏览对话框函数 }  
    function YzBrowseFolder(AOwer: TWinControl;ATitle: string):string;  
      
    { 重启计算机 }  
    function YzShutDownSystem(AFlag: Integer):BOOL;  
      
    { 程序运行后删除自身 }  
    procedure YzDeleteSelf;  
      
    { 程序重启 }  
    procedure YzAppRestart;  
      
    { 压缩Access数据库 }  
    function YzCompactAccessDB(const AFileName, APassWord: string): Boolean;  
      
    { 标题:获取其他进程中TreeView的文本 }  
    function YzTreeNodeGetNext(mHandle: THandle; mTreeItem: HTreeItem): HTreeItem;  
    function YzTreeNodeGetLevel(mHandle: THandle; mTreeItem: HTreeItem): Integer;  
    function YzGetTreeViewText(mHandle: THandle; mStrings: TStrings): Boolean;  
      
    { 获取本地Application Data目录路径 }  
    function YzLocalAppDataPath : string;  
      
    { 获取Windows当前登录的用户名 }  
    function YzGetWindwosUserName: String;  
      
    {枚举托盘图标 }  
    function YzEnumTrayNotifyWnd(AFindList: TStringList;ADestStr: string): BOOL;  
      
    { 获取SQL Server用户数据库列表 }  
    procedure YzGetSQLServerDBList(ADBHostIP, ALoginPwd: string;ADBList: TStringList);  
      
    { 读取据库中所有的表 }  
    procedure YzGetTableList(ConncetStr: string;ATableList: TStringList);  
      
    { 将域名解释成IP地址 }  
    function YzDomainToIP(HostName: string): string;  
      
    { 等待进程结束 }  
    procedure YzWaitProcessExit(AProcessName: string);  
      
    { 移去系统托盘失效图标 }  
    procedure YzRemoveDeadIcons();  
      
    { 转移程序占用内存至虚拟内存 }  
    procedure YzClearMemory;  
      
    { 检测允许试用的天数是否已到期 }  
    function YzCheckTrialDays(AllowDays: Integer): Boolean;  
      
    { 指定长度的随机小写字符串函数 }  
    function YzRandomStr(aLength: Longint): string;  
      
    var  
      FontMapping : array of TFontMapping;  
      
    implementation  
      
    uses  
      uMain;  
      
    { 保存日志文件 }  
    procedure YzWriteLogFile(Msg: String);  
    var  
      FileStream: TFileStream;  
      LogFile   : String;  
    begin  
      try  
        { 每天一个日志文件 }  
        Msg := '[' + DateTimeToStr(Now)+ '] '+ Msg;  
        LogFile := ExtractFilePath(Application.ExeName) + '/Logs/' + DateToStr(Now) + '.log';  
        if not DirectoryExists(ExtractFilePath(LogFile)) then  
          CreateDir(ExtractFilePath(LogFile));  
        if FileExists(LogFile) then  
          FileStream := TFileStream.Create(LogFile, fmOpenWrite or fmShareDenyNone)  
        else  
          FileStream:=TFileStream.Create(LogFile,fmCreate or fmShareDenyNone);  
        FileStream.Position:=FileStream.Size;  
        Msg := Msg + #13#10;  
        FileStream.Write(PChar(Msg)^, Length(Msg));  
        FileStream.Free;  
      except  
      end;  
    end;  
      
    { 延时函数,单位为毫秒 }  
    procedure YZDelayTime(MSecs: Longint);  
    var  
      FirstTickCount, Now: Longint;  
    begin  
      FirstTickCount := GetTickCount();  
      repeat  
        Application.ProcessMessages;  
        Now := GetTickCount();  
      until (Now - FirstTickCount>=MSecs) or (Now < FirstTickCount);  
    end;  
      
    { 判断字符串是否为数字 }  
    function YzStrIsNum(Str: string):boolean;  
    var  
      I: integer;  
    begin  
      if Str = '' then  
      begin  
        Result := False;  
        Exit;  
      end;  
      for I:=1 to length(str) do  
        if not (Str[I] in ['0'..'9']) then  
        begin  
          Result := False;  
          Exit;  
        end;  
      Result := True;  
    end;  
      
    { 判断文件是否正在使用 }  
    function YzIsFileInUse(fName: string): boolean;  
    var  
      HFileRes: HFILE;  
    begin  
      Result := false;  
      if not FileExists(fName) then exit;  
      HFileRes := CreateFile(pchar(fName), GENERIC_READ or GENERIC_WRITE, 0, nil,  
        OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);  
      Result := (HFileRes = INVALID_HANDLE_VALUE);  
      if not Result then CloseHandle(HFileRes);  
    end;  
      
    { 删除字符串列表中的空字符串 }  
    procedure YzDelEmptyChar(AList: TStringList);  
    var  
      I: Integer;  
      TmpList: TStringList;  
    begin  
      TmpList := TStringList.Create;  
      for I := 0 to AList.Count - 1 do  
        if AList.Strings[I] <> '' then TmpList.Add(AList.Strings[I]);  
      AList.Clear;  
      AList.Text := TmpList.Text;  
      TmpList.Free;  
    end;  
      
    { 删除文件列表中的"Thumbs.db"文件 }  
    procedure YzDelThumbsFile(AList: TStrings);  
    var  
      I: Integer;  
      TmpList: TStringList;  
    begin  
      TmpList := TStringList.Create;  
      for I := 0 to AList.Count - 1 do  
        if ExtractFileName(AList.Strings[I]) <> 'Thumbs.db' then  
          TmpList.Add(AList.Strings[I]);  
      AList.Clear;  
      AList.Text := TmpList.Text;  
      TmpList.Free;  
    end;  
      
    {------------------------------------------------------------- 
      功能:    返回一个整数指定位数的带"0"字符串 
      参数:    Value:要转换的整数 ALength:字符串长度 
      返回值:  string 
    --------------------------------------------------------------}  
    function YzIntToZeroStr(Value, ALength: Integer): string;  
    var  
      I, ACount: Integer;  
    begin  
      Result := '';  
      ACount := Length(IntToStr(Value));  
      if ACount >= ALength then Result := IntToStr(Value)  
      else  
      begin  
        for I := 1 to ALength-ACount do  
          Result := Result + '0';  
        Result := Result + IntToStr(Value)  
      end;  
    end;  
      
    { 取日期年份分量 }  
    function YzGetYear(Date: TDate): Integer;  
    var  
      y, m, d: WORD;  
    begin  
      DecodeDate(Date, y, m, d);  
      Result := y;  
    end;  
      
    { 取日期月份分量 }  
    function YzGetMonth(Date: TDate): Integer;  
    var  
      y, m, d: WORD;  
    begin  
      DecodeDate(Date, y, m, d);  
      Result := m;  
    end;  
      
    { 取日期天数分量 }  
    function YzGetDay(Date: TDate): Integer;  
    var  
      y, m, d: WORD;  
    begin  
      DecodeDate(Date, y, m, d);  
      Result := d;  
    end;  
      
    { 取时间小时分量 }  
    function YzGetHour(Time: TTime): Integer;  
    var  
      h, m, s, ms: WORD;  
    begin  
      DecodeTime(Time, h, m, s, ms);  
      Result := h;  
    end;  
      
    { 取时间分钟分量 }  
    function YzGetMinute(Time: TTime): Integer;  
    var  
      h, m, s, ms: WORD;  
    begin  
      DecodeTime(Time, h, m, s, ms);  
      Result := m;  
    end;  
      
    { 取时间秒钟分量 }  
    function YzGetSecond(Time: TTime): Integer;  
    var  
      h, m, s, ms: WORD;  
    begin  
      DecodeTime(Time, h, m, s, ms);  
      Result := s;  
    end;  
      
    { 返回时间分量字符串 }  
    function YzGetTimeStr(ATime: TTime;AFlag: string): string;  
    var  
      wTimeStr: string;  
      FH, FM, FS, FMS: WORD;  
    const  
      HOURTYPE    = 'Hour';  
      MINUTETYPE  = 'Minute';  
      SECONDTYPE  = 'Second';  
      MSECONDTYPE = 'MSecond';  
    begin  
      wTimeStr := TimeToStr(ATime);  
      if Pos('上午', wTimeStr) <> 0 then  
        wTimeStr := Copy(wTimeStr, Pos('上午', wTimeStr) + 4, 10)  
      else if Pos('下午', wTimeStr) <> 0 then  
        wTimeStr := Copy(wTimeStr, Pos('下午', wTimeStr) + 4, 10);  
      DecodeTime(ATime, FH, FM, FS, FMS);  
      if AFlag = HOURTYPE then  
      begin  
        { 如果是12小时制则下午的小时分量加12 }  
        if Pos('下午', wTimeStr) <> 0 then  
          Result := YzIntToZeroStr(FH + 12, 2)  
        else  
          Result := YzIntToZeroStr(FH, 2);  
      end;  
      if AFlag = MINUTETYPE  then Result := YzIntToZeroStr(FM, 2);  
      if AFlag = SECONDTYPE  then Result := YzIntToZeroStr(FS, 2);  
      if AFlag = MSECONDTYPE then Result := YzIntToZeroStr(FMS, 2);  
    end;  
      
    { 返回日期时间字符串 }  
    function YzGetDateTimeStr(ATime: TTime;ADate: TDate): string;  
    var  
      wYear, wMonth, wDay: string;  
      wHour, wMinute, wSecond: string;  
    begin  
      wYear := RightStr(YzIntToZeroStr(YzGetYear(ADate), 4), 2);  
      wMonth := YzIntToZeroStr(YzGetMonth(ADate), 2);  
      wDay := YzIntToZeroStr(YzGetDay(ADate), 2);  
      
      wHour := YzGetTimeStr(ATime, 'Hour');  
      wMinute := YzGetTimeStr(ATime, 'Minute');  
      wSecond := YzGetTimeStr(ATime, 'Second');  
      
      Result := wYear + wMonth + wDay + wHour + wMinute + wSecond;  
    end;  
      
    { 通过窗体子串查找窗体 }  
    procedure YzFindSpecWindow(ASubTitle: string);  
      
      function EnumWndProc(AWnd: THandle;AWinName: string): Boolean;stdcall;  
      var  
        WindowText: array[0..255] of Char;  
        WindowStr: string;  
      begin  
        GetWindowText(AWnd, WindowText, 255);  
        WindowStr := StrPas(WindowText);  
        WindowStr := COPY(WindowStr, 1, StrLen(PChar(AWinName)));  
        if CompareText(AWinName, WindowStr) = 0 then  
        begin  
          SetForegroundWindow(AWnd);  
          Result := False; Exit;  
        end;  
        Result := True;  
      end;  
      
    begin  
      EnumWindows(@EnumWndProc, LongInt(@ASubTitle));  
      YzDelayTime(1000);  
    end;  
      
    { 获取计算机名称 }  
    function YzGetComputerName(): string;  
    var  
      pcComputer: PChar;  
      dwCSize: DWORD;  
    begin  
      dwCSize := MAX_COMPUTERNAME_LENGTH + 1;  
      Result := '';  
      GetMem(pcComputer, dwCSize);  
      try  
        if Windows.GetComputerName(pcComputer, dwCSize) then  
          Result := pcComputer;  
      finally  
        FreeMem(pcComputer);  
      end;  
    end;  
      
    { 判断进程CPU占用率 }  
    procedure YzJudgeCPU(ProcessName: string;CPUUsage: Single);  
    var  
      cnt: PCPUUsageData;  
      usage: Single;  
    begin  
      cnt := wsCreateUsageCounter(FindProcess(ProcessName));  
      while True do  
      begin  
        usage := wsGetCpuUsage(cnt);  
        if usage <= CPUUsage then  
        begin  
          wsDestroyUsageCounter(cnt);  
          YzDelayTime(2000);  
          Break;  
        end;  
        YzDelayTime(10);  
        Application.ProcessMessages;  
      end;  
    end;  
      
    { 分割字符串 }  
    procedure YzSeparateTerms(Source: string;Separator: Char;Terms: TStringList);  
    var  
      TmpStr: string;  
      PO: integer;  
    begin  
      Terms.Clear;  
      if Length(Source) = 0 then Exit;   { 长度为0则退出 }  
      PO := Pos(Separator, Source);  
      if PO = 0 then  
      begin  
        Terms.Add(Source);  
        Exit;  
      end;  
      while PO <> 0 do  
      begin  
        TmpStr := Copy(Source, 1, PO - 1);{ 复制字符 }  
        Terms.Add(TmpStr);                { 添加到列表 }  
        Delete(Source, 1, PO);            { 删除字符和分割符 }  
        PO := Pos(Separator, Source);     { 查找分割符 }  
      end;  
      if Length(Source) > 0 then  
        Terms.Add(Source);                { 添加剩下的条目 }  
    end;  
      
    { 切换页面控件的活动页面 }  
    procedure YzGotoNewPage(AOwerPage: TPageControl;ANewPage: TTabSheet);  
    begin  
      if AOwerPage.ActivePage <> ANewPage then AOwerPage.ActivePage := ANewPage;  
    end;  
      
    { 设置页面控件标签的可见性 }  
    procedure YzSetTableVisible(PageControl: TPageControl;ShowFlag: Boolean);  
    var  
      I: Integer;  
    begin  
      for I := 0 to PageControl.PageCount -1 do  
        PageControl.Pages[I].TabVisible := ShowFlag;  
    end;  
      
    { 根据产品名称获取产品编号 }  
    function YZGetLevelCode(AName:string;ProductList: TStringList): string;  
    var  
      I: Integer;  
      TmpStr: string;  
    begin  
      Result := '';  
      if ProductList.Count <= 0 then Exit;  
      for I := 0 to ProductList.Count-1 do  
      begin  
        TmpStr := ProductList.Strings[I];  
        if AName = Copy(TmpStr,1, Pos('_', TmpStr)-1) then  
        begin  
          Result := Copy(TmpStr, Pos('_', TmpStr)+1, 10);  
          Break;  
        end;  
      end;  
    end;  
      
    { 取文件的主文件名 }  
    function YzGetMainFileName(AFileName:string): string;  
    var  
      TmpStr: string;  
    begin  
      if AFileName = '' then Exit;  
      TmpStr := ExtractFileName(AFileName);  
      Result := Copy(TmpStr, 1, Pos('.', TmpStr) - 1);  
    end;  
      
    { 按下一个键 }  
    procedure YzPressOneKey(AByteCode: Byte);  
    begin  
      keybd_event(AByteCode, 0, 0, 0);  
      YzDelayTime(100);  
      keybd_event(AByteCode, 0, KEYEVENTF_KEYUP, 0);  
      YzDelayTime(400);  
    end;  
      
    { 按下一个指定次数的键 }  
    procedure YzPressOneKey(AByteCode: Byte;ATimes: Integer);overload;  
    var  
      I: Integer;  
    begin  
      for I := 1 to ATimes do  
      begin  
        keybd_event(AByteCode, 0, 0, 0);  
        YzDelayTime(10);  
        keybd_event(AByteCode, 0, KEYEVENTF_KEYUP, 0);  
        YzDelayTime(150);  
      end;  
    end;  
      
    { 按下二个键 }  
    procedure YzPressTwoKeys(AFirstByteCode, ASecByteCode: Byte);  
    begin  
      keybd_event(AFirstByteCode, 0, 0, 0);  
      keybd_event(ASecByteCode, 0, 0, 0);  
      YzDelayTime(100);  
      keybd_event(ASecByteCode, 0, KEYEVENTF_KEYUP, 0);  
      keybd_event(AFirstByteCode, 0, KEYEVENTF_KEYUP, 0);  
      YzDelayTime(400);  
    end;  
      
    { 按下三个键 }  
    procedure YzPressThreeKeys(AFirstByteCode, ASecByteCode, AThirdByteCode: Byte);  
    begin  
      keybd_event(AFirstByteCode, 0, 0, 0);  
      keybd_event(ASecByteCode, 0, 0, 0);  
      keybd_event(AThirdByteCode, 0, 0, 0);  
      YzDelayTime(100);  
      keybd_event(AThirdByteCode, 0, KEYEVENTF_KEYUP, 0);  
      keybd_event(ASecByteCode, 0, KEYEVENTF_KEYUP, 0);  
      keybd_event(AFirstByteCode, 0, KEYEVENTF_KEYUP, 0);  
      YzDelayTime(400);  
    end;  
      
    { 创建桌面快捷方式 }  
    procedure YzCreateShortCut(const sPath: string; sShortCutName: WideString);  
    var  
      tmpObject: IUnknown;  
      tmpSLink: IShellLink;  
      tmpPFile: IPersistFile;  
      PIDL: PItemIDList;  
      StartupDirectory: array[0..MAX_PATH] of Char;  
      StartupFilename: String;  
      LinkFilename: WideString;  
    begin  
      StartupFilename := sPath;  
      tmpObject := CreateComObject(CLSID_ShellLink); { 创建建立快捷方式的外壳扩展 }  
      tmpSLink := tmpObject as IShellLink;           { 取得接口 }  
      tmpPFile := tmpObject as IPersistFile;         { 用来储存*.lnk文件的接口 }  
      tmpSLink.SetPath(pChar(StartupFilename));      { 设定notepad.exe所在路径 }  
      tmpSLink.SetWorkingDirectory(pChar(ExtractFilePath(StartupFilename))); {设定工作目录 }  
      SHGetSpecialFolderLocation(0, CSIDL_DESKTOPDIRECTORY, PIDL); { 获得桌面的Itemidlist }  
      SHGetPathFromIDList(PIDL, StartupDirectory);   { 获得桌面路径 }  
      sShortCutName := '/' + sShortCutName + '.lnk';  
      LinkFilename := StartupDirectory + sShortCutName;  
      tmpPFile.Save(pWChar(LinkFilename), FALSE);    { 保存*.lnk文件 }  
    end;  
      
    { 删除桌面快捷方式 }  
    procedure YzDeleteShortCut(sShortCutName: WideString);  
    var  
      PIDL : PItemIDList;  
      StartupDirectory: array[0..MAX_PATH] of Char;  
      LinkFilename: WideString;  
    begin  
      SHGetSpecialFolderLocation(0,CSIDL_DESKTOPDIRECTORY,PIDL);  
      SHGetPathFromIDList(PIDL,StartupDirectory);  
      LinkFilename := StrPas(StartupDirectory) + '/' + sShortCutName + '.lnk';  
      DeleteFile(LinkFilename);  
    end;  
      
    { 通过光标位置进行鼠标左键单击 }  
    procedure YzMouseLeftClick(X, Y: Integer);  
    begin  
      SetCursorPos(X, Y);  
      YzDelayTime(100);  
      mouse_event(MOUSEEVENTF_LEFTDOWN,0,0,0,0);  
      mouse_event(MOUSEEVENTF_LEFTUP,0,0,0,0);  
      YzDelayTime(400);  
    end;  
      
    { 鼠标左键双击 }  
    procedure YzMouseDoubleClick(X, Y: Integer);  
    begin  
      SetCursorPos(X, Y);  
      YzDelayTime(100);  
      mouse_event(MOUSEEVENTF_LEFTDOWN,0,0,0,0);  
      mouse_event(MOUSEEVENTF_LEFTUP,0,0,0,0);  
      YzDelayTime(100);  
      mouse_event(MOUSEEVENTF_LEFTDOWN,0,0,0,0);  
      mouse_event(MOUSEEVENTF_LEFTUP,0,0,0,0);  
      YzDelayTime(400);  
    end;  
      
      
    { 通过窗口句柄进行鼠标左键单击 }  
    procedure YzMouseLeftClick(lpClassName, lpWindowName: PAnsiChar);overload;  
    var  
      AHandel: THandle;  
    begin  
      AHandel := FindWindow(lpClassName, lpWindowName);  
      SendMessage(AHandel, WM_LBUTTONDOWN, 0, 0);  
      SendMessage(AHandel, WM_LBUTTONUP, 0, 0);  
      YzDelayTime(500);  
    end;  
      
    { 等待进程结束 }  
    procedure YzWaitProcessExit(AProcessName: string);  
    begin  
      while True do  
      begin  
        KillByPID(FindProcess(AProcessName));  
        if FindProcess(AProcessName) = 0 then Break;  
        YzDelayTime(10);  
        Application.ProcessMessages;  
      end;  
    end;  
      
    {------------------------------------------------------------- 
      功  能:  等待窗口在指定时间后出现 
      参  数:  lpClassName: 窗口类名 
               lpWindowName: 窗口标题 
               ASecond: 要等待的时间,"0"代表永久等待 
      返回值:  无 
      备  注:  如果指定的等待时间未到窗口已出现则立即退出 
    --------------------------------------------------------------}  
    function YzWaitWindowExist(lpClassName, lpWindowName: PAnsiChar;  
      ASecond: Integer = 0): THandle;overload;  
    var  
      StartTickCount, PassTickCount: LongWord;  
    begin  
      Result := 0;  
      { 永久等待 }  
      if ASecond = 0 then  
      begin  
        while True do  
        begin  
          Result := FindWindow(lpClassName, lpWindowName);  
          if Result <> 0 then Break;  
          YzDelayTime(10);  
          Application.ProcessMessages;  
        end;  
      end  
      else { 等待指定时间 }  
      begin  
        StartTickCount := GetTickCount;  
        while True do  
        begin  
          Result := FindWindow(lpClassName, lpWindowName);  
          { 窗口已出现则立即退出 }  
          if Result <> 0 then Break  
          else  
          begin  
            PassTickCount := GetTickCount;  
            { 等待时间已到则退出 }  
            if (PassTickCount - StartTickCount) div 1000 >= ASecond then Break;  
          end;  
          YzDelayTime(10);  
          Application.ProcessMessages;  
        end;  
      end;  
      YzDelayTime(1000);  
    end;  
      
    { 等待指定窗口消失 }  
    procedure YzWaitWindowClose(lpClassName, lpWindowName: PAnsiChar;  
      ASecond: Integer = 0);  
    var  
      StartTickCount, PassTickCount: LongWord;  
    begin  
      if ASecond = 0 then  
      begin  
        while True do  
        begin  
          if FindWindow(lpClassName, lpWindowName) = 0 then Break;  
          YzDelayTime(10);  
          Application.ProcessMessages;  
        end  
      end  
      else  
      begin  
        StartTickCount := GetTickCount;  
        while True do  
        begin  
          { 窗口已关闭则立即退出 }  
          if FindWindow(lpClassName, lpWindowName)= 0 then Break  
          else  
          begin  
            PassTickCount := GetTickCount;  
            { 等待时间已到则退出 }  
            if (PassTickCount - StartTickCount) div 1000 >= ASecond then Break;  
          end;  
          YzDelayTime(10);  
          Application.ProcessMessages;  
        end;  
      end;  
      YzDelayTime(500);  
    end;  
      
    { 通过光标位置查找窗口句柄 }  
    function YzWindowFromPoint(X, Y: Integer): THandle;  
    var  
      MousePoint: TPoint;  
      CurWindow: THandle;  
      hRect: TRect;  
      Canvas: TCanvas;  
    begin  
      MousePoint.X := X;  
      MousePoint.Y := Y;  
      CurWindow := WindowFromPoint(MousePoint);  
      GetWindowRect(Curwindow, hRect);  
      if Curwindow <> 0 then  
      begin  
        Canvas := TCanvas.Create;  
        Canvas.Handle := GetWindowDC(Curwindow);  
        Canvas.Pen.Width := 2;  
        Canvas.Pen.Color := clRed;  
        Canvas.Pen.Mode := pmNotXor;  
        Canvas.Brush.Style := bsClear;  
        Canvas.Rectangle(0, 0, hRect.Right-hRect.Left, hRect.Bottom-hRect.Top);  
        Canvas.Free;  
      end;  
      Result := CurWindow;  
    end;  
      
    { 通光标位置,窗口类名与标题查找窗口是否存在 }  
    function YzWaitWindowExist(X, Y: Integer;AClassName, AWinName: string;  
      ASecond: Integer):THandle;overload;  
    var  
      MousePo: TPoint;  
      CurWindow: THandle;  
      bufClassName: array[0..MAXBYTE-1] of Char;  
      bufWinName: array[0..MAXBYTE-1] of Char;  
      StartTickCount, PassTickCount: LongWord;  
    begin  
      Result := 0;  
      { 永久等待 }  
      if ASecond = 0 then  
      begin  
        while True do  
        begin  
          MousePo.X := X;  
          MousePo.Y := Y;  
          CurWindow := WindowFromPoint(MousePo);  
          GetClassName(CurWindow, bufClassName, MAXBYTE);  
          GetWindowText(CurWindow, bufWinname, MAXBYTE);  
          if (CompareText(StrPas(bufClassName), AClassName) = 0 ) and  
             (CompareText(StrPas(bufWinName), AWinName) = 0) then  
          begin  
            Result := CurWindow;  
            Break;  
          end;  
          YzDelayTime(10);  
          Application.ProcessMessages;  
        end;  
      end  
      else { 等待指定时间 }  
      begin  
        StartTickCount := GetTickCount;  
        while True do  
        begin  
          { 窗口已出现则立即退出 }  
          MousePo.X := X;  
          MousePo.Y := Y;  
          CurWindow := WindowFromPoint(MousePo);  
          GetClassName(CurWindow, bufClassName, MAXBYTE);  
          GetWindowText(CurWindow, bufWinname, MAXBYTE);  
          if (CompareText(StrPas(bufClassName), AClassName) = 0 ) and  
             (CompareText(StrPas(bufWinName), AWinName) = 0) then  
          begin  
            Result := CurWindow; Break;  
          end  
          else  
          begin  
            PassTickCount := GetTickCount;  
            { 等待时间已到则退出 }  
            if (PassTickCount - StartTickCount) div 1000 >= ASecond then Break;  
          end;  
          YzDelayTime(10);  
          Application.ProcessMessages;  
        end;  
      end;  
      YzDelayTime(1000);  
    end;  
      
    { 通过窗口句柄设置文本框控件文本 }  
    procedure YzSetEditText(lpClassName, lpWindowName: PAnsiChar;  
      AText: string);overload;  
    var  
      CurWindow: THandle;  
    begin  
      CurWindow := FindWindow(lpClassName, lpWindowName);  
      SendMessage(CurWindow ,WM_SETTEXT, 0, Integer(PChar(AText)));  
      YzDelayTime(500);  
    end;  
      
    { 通过光标位置设置文本框控件文本 }  
    procedure YzSetEditText(X, Y: Integer;AText: string);overload;  
    var  
      CurWindow: THandle;  
    begin  
      CurWindow := YzWindowFromPoint(X, Y);  
      SendMessage(CurWindow, WM_SETTEXT, 0, Integer(PChar(AText)));  
      YzMouseLeftClick(X, Y);  
    end;  
      
    { 获取Window操作系统语言 }  
    function YzGetWindowsLanguageStr: String;  
    var  
      WinLanguage: array [0..50] of char;  
    begin  
      VerLanguageName(GetSystemDefaultLangID, WinLanguage, 50);  
      Result := StrPas(WinLanguage);  
    end;  
      
    procedure YzDynArraySetZero(var A);  
    var  
      P: PLongint;  { 4个字节 }  
    begin  
      P := PLongint(A); { 指向 A 的地址 }  
      Dec(P);  { P地址偏移量是 sizeof(A),指向了数组长度 }  
      P^ := 0; { 数组长度清空 }  
      Dec(P);  { 指向数组引用计数 }  
      P^ := 0; { 数组计数清空 }  
    end;  
      
    { 动态设置分辨率 }  
    function YzDynamicResolution(x, y: WORD): Boolean;  
    var  
      lpDevMode: TDeviceMode;  
    begin  
      Result := EnumDisplaySettings(nil, 0, lpDevMode);  
      if Result then  
      begin  
        lpDevMode.dmFields := DM_PELSWIDTH or DM_PELSHEIGHT;  
        lpDevMode.dmPelsWidth := x;  
        lpDevMode.dmPelsHeight := y;  
        Result := ChangeDisplaySettings(lpDevMode, 0) = DISP_CHANGE_SUCCESSFUL;  
      end;  
    end;  
      
    procedure YzSetFontMapping;  
    begin  
      SetLength(FontMapping, 3);  
      
      { 800 x 600 }  
      FontMapping[0].SWidth := 800;  
      FontMapping[0].SHeight := 600;  
      FontMapping[0].FName := '宋体';  
      FontMapping[0].FSize := 7;  
      
      { 1024 x 768 }  
      FontMapping[1].SWidth := 1024;  
      FontMapping[1].SHeight := 768;  
      FontMapping[1].FName := '宋体';  
      FontMapping[1].FSize := 9;  
      
      { 1280 x 1024 }  
      FontMapping[2].SWidth := 1280;  
      FontMapping[2].SHeight := 1024;  
      FontMapping[2].FName := '宋体';  
      FontMapping[2].FSize := 11;  
    end;  
      
    { 程序窗体及控件自适应分辨率(有问题) }  
    procedure YzFixForm(AForm: TForm);  
    var  
      I, J: integer;  
      T: TControl;  
    begin  
      with AForm do  
      begin  
        for I := 0 to ComponentCount - 1 do  
        begin  
          try  
            T := TControl(Components[I]);  
            T.left := Trunc(T.left * (Screen.width / 1024));  
            T.top := Trunc(T.Top * (Screen.Height / 768));  
            T.Width := Trunc(T.Width * (Screen.Width / 1024));  
            T.Height := Trunc(T.Height * (Screen.Height / 768));  
          except  
          end; { try }  
        end; { for I }  
      
        for I:= 0 to Length(FontMapping) - 1 do  
        begin  
          if (Screen.Width = FontMapping[I].SWidth) and (Screen.Height =  
            FontMapping[I].SHeight) then  
          begin  
            for J := 0 to ComponentCount - 1 do  
            begin  
              try  
                TFontedControl(Components[J]).Font.Name := FontMapping[I].FName;  
                TFontedControl(Components[J]).FONT.Size := FontMapping[I].FSize;  
              except  
              end; { try }  
            end; { for J }  
          end; { if }  
        end; { for I }  
      end; { with }  
    end;  
      
    { 检测系统屏幕分辨率 }  
    function YzCheckDisplayInfo(X, Y: Integer): Boolean;  
    begin  
      Result := True;  
      if (Screen.Width <> X) and (Screen.Height <> Y) then  
      begin  
        if MessageBox(Application.Handle, PChar( '系统检测到您的屏幕分辨率不是 '  
          + IntToStr(X) + '×' + IntToStr(Y) + ',这将影响到系统的正常运行,'  
          + '是否要自动调整屏幕分辨率?'), '提示', MB_YESNO + MB_ICONQUESTION  
          + MB_TOPMOST) = 6 then YzDynamicResolution(1024, 768)  
        else Result := False;  
      end;  
    end;  
      
    function YzGetUninstallInfo: TUninstallInfo;  
    const  
      Key = '/SOFTWARE/Microsoft/Windows/CurrentVersion/Uninstall/';  
    var  
      S : TStrings;  
      I : Integer;  
      J : Integer;  
    begin  
      with TRegistry.Create do  
      begin  
        S := TStringlist.Create;  
        J := 0;  
        try  
          RootKey:= HKEY_LOCAL_MACHINE;  
          OpenKeyReadOnly(Key);  
          GetKeyNames(S);  
          Setlength(Result, S.Count);  
          for I:= 0 to S.Count - 1 do  
          begin  
            If OpenKeyReadOnly(Key + S[I]) then  
            If ValueExists('DisplayName') and ValueExists('UninstallString') then  
            begin  
              Result[J].RegProgramName:= S[I];  
              Result[J].ProgramName:= ReadString('DisplayName');  
              Result[J].UninstallPath:= ReadString('UninstallString');  
              If ValueExists('Publisher') then  
                Result[J].Publisher:= ReadString('Publisher');  
              If ValueExists('URLInfoAbout') then  
                Result[J].PublisherURL:= ReadString('URLInfoAbout');  
              If ValueExists('DisplayVersion') then  
                Result[J].Version:= ReadString('DisplayVersion');  
              If ValueExists('HelpLink') then  
                Result[J].HelpLink:= ReadString('HelpLink');  
              If ValueExists('URLUpdateInfo') then  
                Result[J].UpdateInfoURL:= ReadString('URLUpdateInfo');  
              If ValueExists('RegCompany') then  
                Result[J].RegCompany:= ReadString('RegCompany');  
              If ValueExists('RegOwner') then  
                Result[J].RegOwner:= ReadString('RegOwner');  
              Inc(J);  
            end;  
          end;  
        finally  
          Free;  
          S.Free;  
          SetLength(Result, J);  
        end;  
      end;  
    end;  
      
    { 检测Java安装信息 }  
    function YzCheckJavaInfo(AUninstallInfo: TUninstallInfo;CheckJava6 : Boolean = False): Boolean;  
    var  
      I: Integer;  
      Java6Exist: Boolean;  
      AUninstall: TUninstallInfo;  
      AProgramList: TStringList;  
      AJavaVersion, AFilePath: string;  
    begin  
      Result := True;  
      Java6Exist := False;  
      AJavaVersion := 'J2SE Runtime Environment 5.0 Update 14';  
      AUninstall := YzGetUninstallInfo;  
      AProgramList := TStringList.Create;  
      for I := Low(AUninstall) to High(AUninstall) do  
      begin  
        if Pos('J2SE', AUninstall[I].ProgramName) <> 0 then  
          AProgramList.Add(AUninstall[I].ProgramName);  
        if Pos('Java(TM)', AUninstall[I].ProgramName) <> 0 then  
          Java6Exist := True;  
      end;  
      if Java6Exist then  
      begin  
        if CheckJava6 then  
        begin  
          MessageBox(Application.Handle, '系统检测到您机器上安装了Java6以上的版本,'  
            + '如果影响到系统的正常运行请先将其卸载再重新启动系统!', '提示',  
            MB_OK + MB_ICONINFORMATION + MB_TOPMOST);  
          Result := False;  
        end;  
      end  
      else if AProgramList.Count = 0 then  
      begin  
        MessageBox(Application.Handle, '系统检测到您机器上没有安装Java运行环境,'  
          + '请点击 "确定" 安装Java运行环境后再重新运行程序!',  
          '提示', MB_OK + MB_ICONINFORMATION + MB_TOPMOST);  
      
        AFilePath := ExtractFilePath(ParamStr(0)) + 'java' + '/'  
          + 'jre-1_5_0_14-windows-i586-p.exe';  
        if FileExists(AFilePath) then  WinExec(PChar(AFilePath), SW_SHOWNORMAL)  
        else  
          MessageBox(Application.Handle, '找不到Java安装文件,请您手动安装!',  
            '提示', MB_OK + MB_ICONINFORMATION  + MB_TOPMOST);  
        Result := False;  
      end;  
      AProgramList.Free;  
    end;  
      
    {------------------------------------------------------------- 
      功能:    窗口自适应屏幕大小 
      参数:    Form: 需要调整的Form 
               OrgWidth:开发时屏幕的宽度 
               OrgHeight:开发时屏幕的高度 
    --------------------------------------------------------------}  
    procedure YzAdjustForm(Form: TForm;const OrgWidth, OrgHeight: integer);  
    begin  
      with Form do  
      begin  
        if (Screen.width <> OrgWidth) then  
        begin  
          Scaled := True;  
          Height := longint(Height) * longint(Screen.height) div OrgHeight;  
          Width := longint(Width) * longint(Screen.Width) div OrgWidth;  
          ScaleBy(Screen.Width, OrgWidth);  
        end;  
      end;  
    end;  
      
    { 设置窗口为当前窗体 }  
    procedure YzBringMyAppToFront(AppHandle: THandle);  
    var  
      Th1, Th2: Cardinal;  
    begin  
      Th1 := GetCurrentThreadId;  
      Th2 := GetWindowThreadProcessId(GetForegroundWindow, NIL);  
      AttachThreadInput(Th2, Th1, TRUE);  
      try  
        SetForegroundWindow(AppHandle);  
      finally  
        AttachThreadInput(Th2, Th1, TRUE);  
      end;  
    end;  
      
    { 获取文件夹文件数量 }  
    function YzGetDirFiles(Dir: string;SubDir: Boolean): LongInt;  
    var  
      SearchRec: TSearchRec;  
      Founded: integer;  
    begin  
      Result := 0;  
      if Dir[length(Dir)] <> '/' then Dir := Dir + '/';  
      Founded := FindFirst(Dir + '*.*', faAnyFile, SearchRec);  
      while Founded = 0 do  
      begin  
        Inc(Result);  
        if (SearchRec.Attr and faDirectory > 0) and (SearchRec.Name[1] <> '.') and  
          (SubDir = True) then  
          Inc(Result, YzGetDirFiles(Dir + SearchRec.Name, True));  
          Founded := FindNext(SearchRec);  
      end;  
      FindClose(SearchRec);  
    end;  
      
    { 算术舍入法的四舍五入取整函数 }  
    function YzRoundEx (const Value: Real): LongInt;  
    var  
      x: Real;  
    begin  
      x := Value - Trunc(Value);  
      if x >= 0.5 then  
        Result := Trunc(Value) + 1  
      else Result := Trunc(Value);  
    end;  
      
    { 获取文件大小(KB) }  
    function YzGetFileSize(const FileName: String): LongInt;  
    var  
      SearchRec: TSearchRec;  
    begin  
      if FindFirst(ExpandFileName(FileName), faAnyFile, SearchRec) = 0 then  
        Result := SearchRec.Size  
      else  
        Result := -1;  
      Result := YzRoundEx(Result / 1024);  
    end;  
      
    { 获取文件大小(字节) }  
    function YzGetFileSize_Byte(const FileName: String): LongInt;  
    var  
      SearchRec: TSearchRec;  
    begin  
      if FindFirst(ExpandFileName(FileName), faAnyFile, SearchRec) = 0 then  
        Result := SearchRec.Size  
      else  
        Result := -1;  
    end;  
      
    { 获取文件夹大小 }  
    function YzGetDirSize(Dir: string;SubDir: Boolean): LongInt;  
    var  
      SearchRec: TSearchRec;  
      Founded: integer;  
    begin  
      Result := 0;  
      if Dir[length(Dir)] <> '/' then Dir := Dir + '/';  
      Founded := FindFirst(Dir + '*.*', faAnyFile, SearchRec);  
      while Founded = 0 do  
      begin  
        Inc(Result, SearchRec.size);  
        if (SearchRec.Attr and faDirectory > 0) and (SearchRec.Name[1] <> '.') and  
          (SubDir = True) then  
          Inc(Result, YzGetDirSize(Dir + SearchRec.Name, True));  
          Founded := FindNext(SearchRec);  
      end;  
      FindClose(SearchRec);  
      Result := YzRoundEx(Result / 1024);  
    end;  
      
    {------------------------------------------------------------- 
      功能:    弹出选择目录对话框 
      参数:    const iMode: 选择模式 
               const sInfo: 对话框提示信息 
      返回值:  如果取消取返回为空,否则返回选中的路径 
    --------------------------------------------------------------}  
    function YzSelectDir(const iMode: integer;const sInfo: string): string;  
    var  
      Info: TBrowseInfo;  
      IDList: pItemIDList;  
      Buffer: PChar;  
    begin  
      Result:='';  
      Buffer := StrAlloc(MAX_PATH);  
      with Info do  
      begin  
        hwndOwner := application.mainform.Handle;  { 目录对话框所属的窗口句柄 }  
        pidlRoot := nil;                           { 起始位置,缺省为我的电脑 }  
        pszDisplayName := Buffer;                  { 用于存放选择目录的指针 }  
        lpszTitle := PChar(sInfo);  
        { 此处表示显示目录和文件,如果只显示目录则将后一个去掉即可 }  
        if iMode = 1 then  
          ulFlags := BIF_RETURNONLYFSDIRS or BIF_BROWSEINCLUDEFILES  
        else  
          ulFlags := BIF_RETURNONLYFSDIRS;  
        lpfn := nil;                               { 指定回调函数指针 }  
        lParam := 0;                               { 传递给回调函数参数 }  
        IDList := SHBrowseForFolder(Info);         { 读取目录信息 }  
      end;  
      if IDList <> nil then  
      begin  
        SHGetPathFromIDList(IDList, Buffer);     { 将目录信息转化为路径字符串 }  
        Result := strpas(Buffer);  
      end;  
      StrDispose(buffer);  
    end;  
      
    { 获取指定路径下文件夹的个数 }  
    procedure YzListFolders(const Path: String; const ShowPath: Boolean;var List: TStrings);  
    var  
      SRec: TSearchRec;  
    begin  
     if not Assigned(List) then List:= TStringList.Create;  
     FindFirst(Path + '*.*', faDirectory, SRec);  
     if ShowPath then  
        List.Add(Path + SRec.Name)  
     else  
        List.Add(SRec.Name);  
     while FindNext(SRec) = 0 do  
        if ShowPath then  
           List.Add(Path + SRec.Name)  
        else  
           List.Add(SRec.Name);  
     FindClose(SRec);  
    end;  
      
    { 禁用窗器控件的所有子控件 }  
    procedure YzSetSubCtlState(AOwer: TWinControl;AState: Boolean);  
    var  
      I: Integer;  
    begin  
      for I := 0 to AOwer.ControlCount - 1 do  
       AOwer.Controls[I].Enabled := AState;  
    end;  
      
    { 模拟键盘按键操作(处理字节码) }  
    procedure YzFKeyent(byteCard: byte);  
    var  
      vkkey: integer;  
    begin  
      vkkey := VkKeyScan(chr(byteCard));  
      if (chr(byteCard) in ['A'..'Z']) then  
      begin  
        keybd_event(VK_SHIFT, 0, 0, 0);  
        keybd_event(byte(byteCard), 0, 0, 0);  
        keybd_event(VK_SHIFT, 0, 2, 0);  
      end  
      else if chr(byteCard) in ['!', '@', '#', '$', '%', '^', '&', '*', '(', ')',  
        '_', '+', '|', '{', '}', ':', '"', '<', '>', '?', '~'] then  
      begin  
        keybd_event(VK_SHIFT, 0, 0, 0);  
        keybd_event(byte(vkkey), 0, 0, 0);  
        keybd_event(VK_SHIFT, 0, 2, 0);  
      end  
      else { if byteCard in [8,13,27,32] }  
      begin  
        keybd_event(byte(vkkey), 0, 0, 0);  
      end;  
    end;  
      
    { 模拟键盘按键(处理字符) }  
    procedure YzFKeyent(strCard: string);  
    var  
      str: string;  
      strLength: integer;  
      I: integer;  
      byteSend: byte;  
    begin  
      str := strCard;  
      strLength := length(str);  
      for I := 1 to strLength do  
      begin  
        byteSend := byte(str[I]);  
        YzFKeyent(byteSend);  
      end;  
    end;  
      
    { 锁定窗口位置 }  
    procedure YzLockWindow(ClassName,WinName: PChar;poX,poY: Integer);  
    var  
      CurWindow: THandle;  
      _wndRect: TRect;  
    begin  
      CurWindow := 0;  
      while True do  
      begin  
        CurWindow := FindWindow(ClassName,WinName);  
        if CurWindow <> 0 then Break;  
        YzDelayTime(10);  
        Application.ProcessMessages;  
      end;  
      GetWindowRect(CurWindow,_wndRect);  
      if ( _wndRect.Left <> poX) or ( _wndRect.Top <> poY) then  
      begin  
           MoveWindow(CurWindow,  
           poX,  
           poY,  
           (_wndRect.Right-_wndRect.Left),  
           (_wndRect.Bottom-_wndRect.Top),  
            TRUE);  
      end;  
      YzDelayTime(1000);  
    end;  
      
    { 
      注册一个DLL形式或OCX形式的OLE/COM控件 
      参数strOleFileName为一个DLL或OCX文件名, 
      参数OleAction表示注册操作类型,1表示注册,0表示卸载 
      返回值True表示操作执行成功,False表示操作执行失败 
    }  
    function YzRegisterOleFile (strOleFileName: STRING;OleAction: Byte): BOOLEAN;  
    const  
      RegisterOle   =   1; { 注册 }  
      UnRegisterOle =   0; { 卸载 }  
    type  
      TOleRegisterFunction = function: HResult; { 注册或卸载函数的原型 }  
    var  
      hLibraryHandle: THandle;    { 由LoadLibrary返回的DLL或OCX句柄 }  
      hFunctionAddress: TFarProc; { DLL或OCX中的函数句柄,由GetProcAddress返回 }  
      RegFunction: TOleRegisterFunction; { 注册或卸载函数指针 }  
    begin  
      Result := FALSE;  
      { 打开OLE/DCOM文件,返回的DLL或OCX句柄 }  
      hLibraryHandle := LoadLibrary(PCHAR(strOleFileName));  
      if (hLibraryHandle > 0) then        { DLL或OCX句柄正确 }  
      try  
        { 返回注册或卸载函数的指针 }  
        if (OleAction = RegisterOle) then { 返回注册函数的指针 }  
          hFunctionAddress := GetProcAddress(hLibraryHandle, pchar('DllRegisterServer'))  
        { 返回卸载函数的指针 }  
        else  
          hFunctionAddress := GetProcAddress(hLibraryHandle, pchar('DllUnregisterServer'));  
        if (hFunctionAddress <> NIL) then { 注册或卸载函数存在 }  
        begin  
          { 获取操作函数的指针 }  
          RegFunction := TOleRegisterFunction(hFunctionAddress);  
          { 执行注册或卸载操作,返回值>=0表示执行成功 }  
          if RegFunction >= 0 then  
            Result   :=   true;  
        end;  
      finally  
        { 关闭已打开的OLE/DCOM文件 }  
        FreeLibrary(hLibraryHandle);  
      end;  
    end;  
      
    function YzListViewColumnCount(mHandle: THandle): Integer;  
    begin  
      Result := Header_GetItemCount(ListView_GetHeader(mHandle));  
    end; { ListViewColumnCount }  
      
    function YzGetListViewText(mHandle: THandle; mStrings: TStrings): Boolean;  
    var  
      vColumnCount: Integer;  
      vItemCount: Integer;  
      I, J: Integer;  
      vBuffer: array[0..255] of Char;  
      vProcessId: DWORD;  
      vProcess: THandle;  
      vPointer: Pointer;  
      vNumberOfBytesRead: Cardinal;  
      S: string;  vItem: TLVItem;  
    begin  
      Result := False;  
      if not Assigned(mStrings) then Exit;  
      vColumnCount := YzListViewColumnCount(mHandle);  
      if vColumnCount <= 0 then Exit;  
      vItemCount := ListView_GetItemCount(mHandle);  
      GetWindowThreadProcessId(mHandle, @vProcessId);  
      vProcess := OpenProcess(PROCESS_VM_OPERATION or PROCESS_VM_READ  
        or  PROCESS_VM_WRITE, False, vProcessId);  
      vPointer := VirtualAllocEx(vProcess, nil, 4096, MEM_RESERVE or MEM_COMMIT,  
        PAGE_READWRITE);  
      mStrings.BeginUpdate;  
      try  
        mStrings.Clear;  
        for I := 0 to vItemCount - 1 do  
        begin  
          S := '';  
          for J := 0 to vColumnCount - 1 do  
          begin  
            with vItem do  
            begin  
              mask := LVIF_TEXT;  
              iItem := I;  
              iSubItem := J;  
              cchTextMax := SizeOf(vBuffer);  
              pszText := Pointer(Cardinal(vPointer) + SizeOf(TLVItem));  
            end;  
            WriteProcessMemory(vProcess, vPointer, @vItem,  
            SizeOf(TLVItem), vNumberOfBytesRead);  
            SendMessage(mHandle, LVM_GETITEM, I, lparam(vPointer));  
            ReadProcessMemory(vProcess, Pointer(Cardinal(vPointer) + SizeOf(TLVItem)),  
              @vBuffer[0], SizeOf(vBuffer), vNumberOfBytesRead);  
            S := S + #9 + vBuffer;  
          end;  
          Delete(S, 1, 1);  
          mStrings.Add(S);  
        end;  
      finally  
        VirtualFreeEx(vProcess, vPointer, 0, MEM_RELEASE);  
        CloseHandle(vProcess);    mStrings.EndUpdate;  
      end;  
      Result := True;  
    end; { GetListViewText }  
      
    { 删除目录树 }  
    function YzDeleteDirectoryTree(Path: string): boolean;  
    var  
      SearchRec: TSearchRec;  
      SFI: string;  
    begin  
      Result := False;  
      if (Path = '') or (not DirectoryExists(Path)) then exit;  
      if Path[length(Path)] <> '/' then Path := Path + '/';  
      SFI := Path + '*.*';  
      if FindFirst(SFI, faAnyFile, SearchRec) = 0 then  
      begin  
        repeat  
          begin  
            if (SearchRec.Name = '.') or (SearchRec.Name = '..') then  
              Continue;  
            if (SearchRec.Attr and faDirectory <> 0) then  
            begin  
              if not YzDeleteDirectoryTree(Path + SearchRec.name) then  
                Result := FALSE;  
            end  
            else  
            begin  
              FileSetAttr(Path + SearchRec.Name, 128);  
              DeleteFile(Path + SearchRec.Name);  
            end;  
          end  
        until FindNext(SearchRec) <> 0;  
        FindClose(SearchRec);  
      end;  
      FileSetAttr(Path, 0);  
      if RemoveDir(Path) then  
        Result := TRUE  
      else  
        Result := FALSE;  
    end;  
      
    { Jpg格式转换为bmp格式 }  
    function JpgToBmp(Jpg: TJpegImage): TBitmap;  
    begin  
      Result := nil;  
      if Assigned(Jpg) then  
      begin  
        Result := TBitmap.Create;  
        Jpg.DIBNeeded;  
        Result.Assign(Jpg);  
      end;  
    end;  
      
    { 设置程序自启动函数 }  
    function YzSetAutoRun(AFilePath: string;AFlag: Boolean): boolean;  
    var  
      AMainFName: string;  
      Reg: TRegistry;  
    begin  
      Result := true;  
      AMainFName := YzGetMainFileName(AFilePath);  
      Reg := TRegistry.Create;  
      Reg.RootKey := HKEY_LOCAL_MACHINE;  
      try  
        Reg.OpenKey('SOFTWARE/Microsoft/Windows/CurrentVersion/Run', True);  
        if AFlag = False then  { 取消自启动 }  
          Reg.DeleteValue(AMainFName)  
        else                   { 设置自启动 }  
          Reg.WriteString(AMainFName, '"' + AFilePath + '"')  
      except  
        Result := False;  
      end;  
      Reg.CloseKey;  
      Reg.Free;  
    end;  
      
    { 检测URL地址是否有效 }  
    function YzCheckUrl(url: string): Boolean;  
    var  
      hSession, hfile, hRequest: HINTERNET;  
      dwindex, dwcodelen: dword;  
      dwcode: array[1..20] of Char;  
      res: PChar;  
    begin  
      Result := False;  
      try  
        if Pos('http://',LowerCase(url)) = 0 then url := 'http://' + url;  
        { Open an internet session }  
        hSession:=InternetOpen('InetURL:/1.0',INTERNET_OPEN_TYPE_PRECONFIG,nil,nil, 0);  
        if Assigned(hsession) then  
        begin  
          hfile := InternetOpenUrl(hsession, PChar(url), nil, 0,INTERNET_FLAG_RELOAD, 0);  
          dwIndex := 0;  
          dwCodeLen := 10;  
          HttpQueryInfo(hfile,HTTP_QUERY_STATUS_CODE,@dwcode,dwcodeLen,dwIndex);  
          res := PChar(@dwcode);  
          Result := (res = '200') or (res = '302');  
          if Assigned(hfile) then InternetCloseHandle(hfile);  
          InternetCloseHandle(hsession);  
        end;  
      except  
      end;  
    end;  
      
    { 获取程序可执行文件名 }  
    function YzGetExeFName: string;  
    begin  
      Result := ExtractFileName(Application.ExeName);  
    end;  
      
    { 目录浏览对话框函数 }  
    function YzBrowseFolder(AOwer: TWinControl;ATitle: string):string;  
    var  
      Info: TBrowseInfo;  
      Dir: array[0..260] of char;  
      ItemId: PItemIDList;  
    begin  
      with Info do  
      begin  
        hwndOwner := AOwer.Handle;  
        pidlRoot := nil;  
        pszDisplayName := nil;  
        lpszTitle := PChar(ATitle);  
        ulFlags := 0;  
        lpfn := nil;  
        lParam := 0;  
        iImage := 0;  
      end;  
      ItemId := SHBrowseForFolder(Info);  
      SHGetPathFromIDList(ItemId,@Dir);  
      Result := string(Dir);  
    end;  
      
    { 重启计算机 }  
    function YzShutDownSystem(AFlag: Integer):BOOL;  
    var  
      hProcess,hAccessToken: THandle;  
      LUID_AND_ATTRIBUTES: TLUIDAndAttributes;  
      TOKEN_PRIVILEGES: TTokenPrivileges;  
      BufferIsNull: DWORD;  
    Const  
      SE_SHUTDOWN_NAME='SeShutdownPrivilege';  
    begin  
      hProcess:=GetCurrentProcess();  
      
      OpenProcessToken(hprocess, TOKEN_ADJUST_PRIVILEGES+TOKEN_QUERY, hAccessToken);  
      LookupPrivilegeValue(Nil, SE_SHUTDOWN_NAME, LUID_AND_ATTRIBUTES.Luid);  
      LUID_AND_ATTRIBUTES.Attributes := SE_PRIVILEGE_ENABLED;  
      TOKEN_PRIVILEGES.PrivilegeCount := 1;  
      TOKEN_PRIVILEGES.Privileges[0] := LUID_AND_ATTRIBUTES;  
      BufferIsNull := 0;  
      
      AdjustTokenPrivileges(hAccessToken, False, TOKEN_PRIVILEGES, sizeof(  
        TOKEN_PRIVILEGES) ,Nil, BufferIsNull);  
      Result := ExitWindowsEx(AFlag, 0);  
    end;  
      
    { 程序运行后删除自身 }  
    procedure YzDeleteSelf;  
    var  
      hModule: THandle;  
      buff:    array[0..255] of Char;  
      hKernel32: THandle;  
      pExitProcess, pDeleteFileA, pUnmapViewOfFile: Pointer;  
    begin  
      hModule := GetModuleHandle(nil);  
      GetModuleFileName(hModule, buff, sizeof(buff));  
      
      CloseHandle(THandle(4));  
      
      hKernel32        := GetModuleHandle('KERNEL32');  
      pExitProcess     := GetProcAddress(hKernel32, 'ExitProcess');  
      pDeleteFileA     := GetProcAddress(hKernel32, 'DeleteFileA');  
      pUnmapViewOfFile := GetProcAddress(hKernel32, 'UnmapViewOfFile');  
      
      asm  
        LEA         EAX, buff  
        PUSH        0  
        PUSH        0  
        PUSH        EAX  
        PUSH        pExitProcess  
        PUSH        hModule  
        PUSH        pDeleteFileA  
        PUSH        pUnmapViewOfFile  
        RET  
      end;  
    end;  
      
    { 程序重启 }  
    procedure YzAppRestart;  
    var  
      AppName : PChar;  
    begin  
      AppName := PChar(Application.ExeName) ;  
      ShellExecute(Application.Handle,'open', AppName, nil, nil, SW_SHOWNORMAL);  
      KillByPID(GetCurrentProcessId);  
    end;  
      
    { 压缩Access数据库 }  
    function YzCompactAccessDB(const AFileName, APassWord: string): Boolean;  
    var  
      SPath, FConStr, TmpConStr: string;  
      SFile: array[0..254] of Char;  
      STempFileName: string;  
      JE: OleVariant;  
      function GetTempDir: string;  
      var  
        Buffer: array[0..MAX_PATH] of Char;  
      begin  
        ZeroMemory(@Buffer, MAX_PATH);  
        GetTempPath(MAX_PATH, Buffer);  
        Result := IncludeTrailingBackslash(StrPas(Buffer));  
      end;  
    begin  
      Result := False;  
      SPath := GetTempDir;  { 取得Windows的Temp路径 }  
      
      { 取得Temp文件名,Windows将自动建立0字节文件 }  
      GetTempFileName(PChar(SPath), '~ACP', 0, SFile);  
      STempFileName := SFile;  
      
      { 删除Windows建立的0字节文件 }  
      if not DeleteFile(STempFileName) then Exit;  
      try  
        JE := CreateOleObject('JRO.JetEngine');  
      
        { 压缩数据库 }  
        FConStr := 'Provider=Microsoft.Jet.OLEDB.4.0;' + 'Data Source=' + AFileName  
          + ';Jet OLEDB:DataBase PassWord=' + APassWord;  
      
        TmpConStr := 'Provider=Microsoft.Jet.OLEDB.4.0;' + 'Data Source=' + STempFileName  
          + ';Jet OLEDB:DataBase PassWord=' + APassWord;  
        JE.CompactDatabase(FConStr, TmpConStr);  
      
        { 覆盖源数据库文件 }  
        Result := CopyFile(PChar(STempFileName), PChar(AFileName), False);  
      
        { 删除临时文件 }  
        DeleteFile(STempFileName);  
      except  
        Application.MessageBox('压缩数据库失败!', '提示', MB_OK +  
          MB_ICONINFORMATION);  
      end;  
    end;  
      
    { 标题:获取其他进程中TreeView的文本 }  
    function YzTreeNodeGetNext(mHandle: THandle; mTreeItem: HTreeItem): HTreeItem;  
    var  
      vParentID: HTreeItem;  
    begin  
      Result := nil;  
      if (mHandle <> 0) and (mTreeItem <> nil) then  
      begin  
        Result := TreeView_GetChild(mHandle, mTreeItem);  
        if Result = nil then  
          Result := TreeView_GetNextSibling(mHandle, mTreeItem);  
        vParentID := mTreeItem;  
        while (Result = nil) and (vParentID <> nil) do  
        begin  
          vParentID := TreeView_GetParent(mHandle, vParentID);  
          Result := TreeView_GetNextSibling(mHandle, vParentID);  
        end;  
      end;  
    end; { TreeNodeGetNext }  
      
    function YzTreeNodeGetLevel(mHandle: THandle; mTreeItem: HTreeItem): Integer;  
    var  
      vParentID: HTreeItem;  
    begin  
      Result := -1;  
      if (mHandle <> 0) and (mTreeItem <> nil) then  
      begin  
        vParentID := mTreeItem;  
        repeat  
          Inc(Result);  
          vParentID := TreeView_GetParent(mHandle, vParentID);  
        until vParentID = nil;  
      end;  
    end; { TreeNodeGetLevel }  
      
    function YzGetTreeViewText(mHandle: THandle; mStrings: TStrings): Boolean;  
    var  
      vItemCount: Integer;  
      vBuffer: array[0..255] of Char;  
      vProcessId: DWORD;  
      vProcess: THandle;  
      vPointer: Pointer;  
      vNumberOfBytesRead: Cardinal;  
      I: Integer;  
      vItem: TTVItem;  
      vTreeItem: HTreeItem;  
    begin  
      Result := False;  
      if not Assigned(mStrings) then Exit;  
      GetWindowThreadProcessId(mHandle, @vProcessId);  
      vProcess := OpenProcess(PROCESS_VM_OPERATION or PROCESS_VM_READ or  
        PROCESS_VM_WRITE, False, vProcessId);  
      vPointer := VirtualAllocEx(vProcess, nil, 4096, MEM_RESERVE or  
        MEM_COMMIT, PAGE_READWRITE);  
      mStrings.BeginUpdate;  
      try  
        mStrings.Clear;  
        vItemCount := TreeView_GetCount(mHandle);  
        vTreeItem := TreeView_GetRoot(mHandle);  
        for I := 0 to vItemCount - 1 do  
        begin  
          with vItem do begin  
            mask := TVIF_TEXT; cchTextMax := SizeOf(vBuffer);  
            pszText := Pointer(Cardinal(vPointer) + SizeOf(vItem));  
            hItem := vTreeItem;  
          end;  
          WriteProcessMemory(vProcess, vPointer, @vItem, SizeOf(vItem),  
            vNumberOfBytesRead);  
          SendMessage(mHandle, TVM_GETITEM, 0, lparam(vPointer));  
          ReadProcessMemory(vProcess, Pointer(Cardinal(vPointer) + SizeOf(TLVItem)),  
          @vBuffer[0], SizeOf(vBuffer), vNumberOfBytesRead);  
          mStrings.Add(StringOfChar(#9, YzTreeNodeGetLevel(mHandle, vTreeItem)) + vBuffer);  
          vTreeItem := YzTreeNodeGetNext(mHandle, vTreeItem);  
        end;  
      finally  
        VirtualFreeEx(vProcess, vPointer, 0, MEM_RELEASE);  
        CloseHandle(vProcess); mStrings.EndUpdate;  
      end;  
      Result := True;  
    end; { GetTreeViewText }  
      
    { 获取其他进程中ListBox和ComboBox的内容 }  
    function YzGetListBoxText(mHandle: THandle; mStrings: TStrings): Boolean;  
    var  
      vItemCount: Integer;  
      I: Integer;  
      S: string;  
    begin  
      Result := False;  
      if not Assigned(mStrings) then Exit;  
      mStrings.BeginUpdate;  
      try  
        mStrings.Clear;  
        vItemCount := SendMessage(mHandle, LB_GETCOUNT, 0, 0);  
        for I := 0 to vItemCount - 1 do  
        begin  
          SetLength(S, SendMessage(mHandle, LB_GETTEXTLEN, I, 0));  
          SendMessage(mHandle, LB_GETTEXT, I, Integer(@S[1]));  
          mStrings.Add(S);  
        end;  
        SetLength(S, 0);  
      finally  
        mStrings.EndUpdate;  
      end;  
      Result := True;  
    end; { GetListBoxText }  
      
    function YzGetComboBoxText(mHandle: THandle; mStrings: TStrings): Boolean;  
    var  
      vItemCount: Integer;  
      I: Integer;  
      S: string;  
    begin  
      Result := False;  
      if not Assigned(mStrings) then Exit;  
      mStrings.BeginUpdate;  
      try  
        mStrings.Clear;  
        vItemCount := SendMessage(mHandle, CB_GETCOUNT, 0, 0);  
        for I := 0 to vItemCount - 1 do  
        begin  
          SetLength(S, SendMessage(mHandle, CB_GETLBTEXTLEN, I, 0));  
          SendMessage(mHandle, CB_GETLBTEXT, I, Integer(@S[1]));  
          mStrings.Add(S);  
        end;  
        SetLength(S, 0);  
      finally  
        mStrings.EndUpdate;  
      end;  
      Result := True;  
    end; { GetComboBoxText }  
      
    { 获取本地Application Data目录路径 }  
    function YzLocalAppDataPath : string;  
    const  
       SHGFP_TYPE_CURRENT = 0;  
    var  
       Path: array [0..MAX_PATH] of char;  
    begin  
       SHGetFolderPath(0, CSIDL_LOCAL_APPDATA, 0, SHGFP_TYPE_CURRENT, @path[0]) ;  
       Result := Path;  
    end;  
      
    { 获取Windows当前登录的用户名 }  
    function YzGetWindwosUserName: String;  
    var  
      pcUser: PChar;  
      dwUSize: DWORD;  
    begin  
      dwUSize := 21;  
      result  := '';  
      GetMem(pcUser, dwUSize);  
      try  
        if Windows.GetUserName(pcUser, dwUSize) then  
          Result := pcUser  
      finally  
        FreeMem(pcUser);  
      end;  
    end;  
      
    {------------------------------------------------------------- 
      功  能:  delphi 枚举托盘图标 
      参  数:  AFindList: 返回找到的托盘列表信息 
      返回值:  成功为True,反之为False 
      备  注:  返回的格式为: 位置_名称_窗口句柄_进程ID 
    --------------------------------------------------------------}  
    function YzEnumTrayNotifyWnd(AFindList: TStringList;ADestStr: string): BOOL;  
    var  
      wd: HWND;  
      wtd: HWND;  
      wd1: HWND;  
      pid: DWORD;  
      hd: THandle;  
      num, i: integer;  
      n: ULONG;  
      p: TTBBUTTON;  
      pp: ^TTBBUTTON;  
      x: string;  
      name: array[0..255] of WCHAR;  
      whd, proid: ulong;  
      temp: string;  
      sp: ^TTBBUTTON;  
      _sp: TTBButton;  
    begin  
      Result := False;  
      wd := FindWindow('Shell_TrayWnd', nil);  
      if (wd = 0) then Exit;  
      
      wtd := FindWindowEx(wd, 0, 'TrayNotifyWnd', nil);  
      if (wtd = 0) then Exit;  
      
      wtd := FindWindowEx(wtd, 0, 'SysPager', nil);  
      if (wtd = 0) then Exit;  
      
      wd1 := FindWindowEx(wtd, 0, 'ToolbarWindow32', nil);  
      if (wd1 = 0) then Exit;  
      
      pid := 0;  
      GetWindowThreadProcessId(wd1, @pid);  
      if (pid = 0) then Exit;  
      
      hd := OpenProcess(PROCESS_ALL_ACCESS, true, pid);  
      if (hd = 0) then Exit;  
      num := SendMessage(wd1, TB_BUTTONCOUNT, 0, 0);  
      sp := @_sp;  
      for i := 0 to num do  
      begin  
        SendMessage(wd1, TB_GETBUTTON, i, integer(sp));  
        pp := @p;  
        ReadProcessMemory(hd, sp, pp, sizeof(p), n);  
        name[0] := Char(0);  
        if (Cardinal(p.iString) <> $FFFFFFFF) then  
        begin  
          try  
            ReadProcessMemory(hd, pointer(p.iString), @name, 255, n);  
            name[n] := Char(0);  
          except  
          end;  
          temp := name;  
          try  
            whd := 0;  
            ReadProcessMemory(hd, pointer(p.dwData), @whd, 4, n);  
          except  
          end;  
          proid := 0;  
          GetWindowThreadProcessId(whd, @proid);  
          AFindList.Add(Format('%d_%s_%x_%x', [i, temp, whd, proid]));  
          if CompareStr(temp, ADestStr) = 0 then Result := True;  
        end;  
      end;  
    end;  
      
    { 获取SQL Server用户数据库列表 }  
    procedure YzGetSQLServerDBList(ADBHostIP, ALoginPwd: string;ADBList: TStringList);  
    var  
      PQuery: TADOQuery;  
      ConnectStr: string;  
    begin  
      ConnectStr := 'Provider=SQLOLEDB.1;Password=' + ALoginPwd  
        + ';Persist Security Info=True;User ID=sa;Initial Catalog=master'  
        + ';Data Source=' + ADBHostIP;  
      ADBList.Clear;  
      PQuery := TADOQuery.Create(nil);  
      try  
        PQuery.ConnectionString := ConnectStr;  
        PQuery.SQL.Text:='select name from sysdatabases where dbid > 6';  
        PQuery.Open;  
        while not PQuery.Eof do  
        begin  
          ADBList.add(PQuery.Fields[0].AsString);  
          PQuery.Next;  
        end;  
      finally  
        PQuery.Free;  
      end;  
    end;  
      
    { 检测数据库中是否存在给定的表 }  
    procedure YzGetTableList(ConncetStr: string;ATableList: TStringList);  
    var  
      FConnection: TADOConnection;  
    begin  
      FConnection := TADOConnection.Create(nil);  
      try  
        FConnection.LoginPrompt := False;  
        FConnection.Connected := False;  
        FConnection.ConnectionString := ConncetStr;  
        FConnection.Connected := True;  
        FConnection.GetTableNames(ATableList, False);  
      finally  
        FConnection.Free;  
      end;  
    end;  
      
    { 将域名解释成IP地址 }  
    function YzDomainToIP(HostName: string): string;  
    type  
      tAddr = array[0..100] of PInAddr;  
      pAddr = ^tAddr;  
    var  
      I: Integer;  
      WSA: TWSAData;  
      PHE: PHostEnt;  
      P: pAddr;  
    begin  
      Result := '';  
      WSAStartUp($101, WSA);  
      try  
        PHE := GetHostByName(pChar(HostName));  
        if (PHE <> nil) then  
        begin  
          P := pAddr(PHE^.h_addr_list);  
          I := 0;  
          while (P^[I] <> nil) do  
          begin  
            Result := (inet_nToa(P^[I]^));  
            Inc(I);  
          end;  
        end;  
      except  
      end;  
      WSACleanUp;  
    end;  
      
    { 移去系统托盘失效图标 }  
    procedure YzRemoveDeadIcons();  
    var  
      hTrayWindow: HWND;  
      rctTrayIcon: TRECT;  
      nIconWidth, nIconHeight:integer;  
      CursorPos: TPoint;  
      nRow, nCol: Integer;  
    Begin  
      //Get tray window handle and bounding rectangle  
      hTrayWindow := FindWindowEx(FindWindow('Shell_TrayWnd ', nil), 0, 'TrayNotifyWnd ', nil);  
      if Not (GetWindowRect(hTrayWindow, rctTrayIcon)) then Exit;  
      //Get small icon metrics  
      nIconWidth := GetSystemMetrics(SM_CXSMICON);  
      nIconHeight := GetSystemMetrics(SM_CYSMICON);  
      //Save current mouse position   }  
      GetCursorPos(CursorPos);  
      //Sweep the mouse cursor over each icon in the tray in both dimensions  
      for nRow := 0 To ((rctTrayIcon.bottom - rctTrayIcon.top) div nIconHeight) Do  
      Begin  
        for nCol := 0 To ((rctTrayIcon.right - rctTrayIcon.left) div nIconWidth) Do  
        Begin  
          SetCursorPos(rctTrayIcon.left + nCol * nIconWidth + 5,  
            rctTrayIcon.top + nRow * nIconHeight + 5);  
          Sleep(0);  
        end;  
      end;  
      //Restore mouse position  
      SetCursorPos(CursorPos.x, CursorPos.x);  
      //Redraw tray window(to fix bug in multi-line tray area)  
      RedrawWindow(hTrayWindow, nil, 0, RDW_INVALIDATE Or RDW_ERASE Or RDW_UPDATENOW);  
    end;  
      
    { 转移程序占用内存至虚拟内存 }  
    procedure YzClearMemory;  
    begin  
      if Win32Platform = VER_PLATFORM_WIN32_NT then  
      begin  
        SetProcessWorkingSetSize(GetCurrentProcess, $FFFFFFFF, $FFFFFFFF);  
        Application.ProcessMessages;  
      end;  
    end;  
      
    { 检测允许试用的天数是否已到期 }  
    function YzCheckTrialDays(AllowDays: Integer): Boolean;  
    var  
      Reg_ID, Pre_ID: TDateTime;  
      FRegister: TRegistry;  
    begin  
      { 初始化为试用没有到期 }  
      Result := True;  
      FRegister := TRegistry.Create;  
      try  
        with FRegister do  
        begin  
          RootKey := HKEY_LOCAL_MACHINE;  
          if OpenKey('Software/Microsoft/Windows/CurrentSoftware/'  
            + YzGetMainFileName(Application.ExeName), True) then  
          begin  
            if ValueExists('DateTag') then  
            begin  
              Reg_ID := ReadDate('DateTag');  
              if Reg_ID = 0 then Exit;  
              Pre_ID := ReadDate('PreDate');  
              { 允许使用的时间到 }  
              if ((Reg_ID <> 0) and (Now - Reg_ID > AllowDays)) or  
                (Pre_ID <> Reg_ID) or (Reg_ID > Now) then  
              begin  
                { 防止向前更改日期 }  
                WriteDateTime('PreDate', Now + 20000);  
                Result := False;  
              end;  
            end  
            else  
            begin  
              { 首次运行时保存初始化数据 }  
              WriteDateTime('PreDate', Now);  
              WriteDateTime('DateTag', Now);  
            end;  
          end;  
        end;  
      finally  
        FRegister.Free;  
      end;  
    end;  
      
    { 指定长度的随机小写字符串函数 }  
    function YzRandomStr(aLength: Longint): string;  
    var  
      X: Longint;  
    begin  
      if aLength <= 0 then exit;  
      SetLength(Result, aLength);  
      for X := 1 to aLength do  
        Result[X] := Chr(Random(26) + 65);  
      Result := LowerCase(Result);  
    end;  
      
    end.  
    

      

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  • 原文地址:https://www.cnblogs.com/qingsong/p/4033170.html
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