inno setup 安装前判断程序是否运行，以及停止相应程序

https://www.cnblogs.com/w-pound/p/13158219.html

这份代码在卸载的时候出现了问题........ 

源代码的bug在于如果卸载了点击否！那么会删除.dll  下次还要卸载的时候....就不行了

所以我们需要做的事情就是......

先上截图：

改下

要引入psvince.dll这个dll，放在inno setup的安装目录下（与其他dll相同目录），代码如下： 

[Files]

Source: compiler:psvince.dll;Flags: dontcopy noencryption

[code]
// function IsModuleLoaded to call at install time
// added also setuponly flag
function IsModuleLoaded(modulename: String ):  Boolean;
external 'IsModuleLoaded@files:psvince.dll stdcall setuponly';

// function IsModuleLoadedU to call at uninstall time
// added also uninstallonly flag
function IsModuleLoadedU(modulename: String ):  Boolean;
external 'IsModuleLoaded@{app}psvince.dll stdcall uninstallonly' ;

//;判断进程是否存在
function IsAppRunning(const FileName : string): Boolean;
var
    FSWbemLocator: Variant;
    FWMIService   : Variant;
    FWbemObjectSet: Variant;
begin
    Result := false;
    try
      FSWbemLocator := CreateOleObject('WBEMScripting.SWBEMLocator');
      FWMIService := FSWbemLocator.ConnectServer('', 'rootCIMV2', '', '');
      FWbemObjectSet := FWMIService.ExecQuery(Format('SELECT Name FROM Win32_Process Where Name="%s"',[FileName]));
      Result := (FWbemObjectSet.Count > 0);
      FWbemObjectSet := Unassigned;
      FWMIService := Unassigned;
      FSWbemLocator := Unassigned;
    except
      if (IsModuleLoaded(FileName)) then
        begin
          Result := false;
        end
      else
        begin
          Result := true;
        end
      end;
end;

//;通过名称终结进程
procedure TaskKillProcessByName(AppName: String);
var
  WbemLocator : Variant;
  WMIService   : Variant;
  WbemObjectSet: Variant;
  WbemObject   : Variant;
begin;
  WbemLocator := CreateOleObject('WbemScripting.SWbemLocator');
  WMIService := WbemLocator.ConnectServer('localhost', 'rootCIMV2');
  WbemObjectSet := WMIService.ExecQuery('SELECT * FROM Win32_Process Where Name="' + AppName + '"');
  if not VarIsNull(WbemObjectSet) and (WbemObjectSet.Count > 0) then
  begin
    WbemObject := WbemObjectSet.ItemIndex(0);
    if not VarIsNull(WbemObject) then
    begin
      WbemObject.Terminate();
      WbemObject := Unassigned;
    end;
  end;
end;

//;安装的时候判断进程是否存在，存在则先提示是否结束进程
function InitializeSetup(): Boolean;
begin
  Result := true;
  if  IsAppRunning('{#MyAppExeName}') then
  begin
    if MsgBox('安装程序检测到 {#MyAppName} 正在运行！'#13''#13'单击“是”按钮关闭程序并继续安装；'#13''#13'单击“否”按钮退出安装！', mbConfirmation, MB_YESNO) = IDYES then
    begin
      TaskKillProcessByName('{#MyAppExeName}');
      TaskKillProcessByName('{#MyAppExeName}');
      Result:= true;
    end
    else
      Result:= false;
  end;
end;

//;卸载的时候判断进程是否存在，存在则先提示是否结束进程
function InitializeUninstall(): Boolean;
begin
    Result:= true;
    if  IsAppRunning('{#MyAppExeName}') then
    begin
      if MsgBox('卸载程序检测到 {#MyAppName} 正在运行！'#13''#13'单击“是”按钮关闭程序并继续卸载；'#13''#13'单击“否”按钮退出卸载！', mbConfirmation, MB_YESNO) = IDYES then
      begin
        TaskKillProcessByName('{#MyAppExeName}');
        TaskKillProcessByName('{#MyAppExeName}');
        Result:= true;
      end
      else
        Result:= false;
    end;
    if Result then
    begin
      UnloadDLL(ExpandConstant('{app}psvince.dll'));
    end;
    DelTree(ExpandConstant('{app}'), True, True, True);
end;

完整代码：

; Script generated by the Inno Setup Script Wizard.
; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!

#define MyAppName "My Program"
#define MyAppVersion "1.5"
#define MyAppPublisher "My Company, Inc."
#define MyAppURL "https://www.example.com/"
#define MyAppExeName "MyProg.exe"
#define MyAppAssocName MyAppName + " File"
#define MyAppAssocExt ".myp"
#define MyAppAssocKey StringChange(MyAppAssocName, " ", "") + MyAppAssocExt

[Setup]
; NOTE: The value of AppId uniquely identifies this application. Do not use the same AppId value in installers for other applications.
; (To generate a new GUID, click Tools | Generate GUID inside the IDE.)
AppId={{723A4833-89BA-485C-B07C-9D7CEEB88F7C}
AppName={#MyAppName}
AppVersion={#MyAppVersion}
;AppVerName={#MyAppName} {#MyAppVersion}
AppPublisher={#MyAppPublisher}
AppPublisherURL={#MyAppURL}
AppSupportURL={#MyAppURL}
AppUpdatesURL={#MyAppURL}
DefaultDirName={autopf}{#MyAppName}
ChangesAssociations=yes
DisableProgramGroupPage=yes
; Uncomment the following line to run in non administrative install mode (install for current user only.)
;PrivilegesRequired=lowest
OutputDir=C:UsersAdministratorDesktop2222222
OutputBaseFilename=mysetup
Compression=lzma
SolidCompression=yes
WizardStyle=modern

[Languages]
Name: "chinesesimplified"; MessagesFile: "compiler:LanguagesChineseSimplified.isl"

[Tasks]
Name: "desktopicon"; Description: "{cm:CreateDesktopIcon}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: unchecked

[Files]
Source: "C:Program Files (x86)Inno Setup 6Examples{#MyAppExeName}"; DestDir: "{app}"; Flags: ignoreversion
Source: "C:Program Files (x86)Inno Setup 6Examples*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs
; NOTE: Don't use "Flags: ignoreversion" on any shared system files
Source: compiler:psvince.dll;Flags: dontcopy noencryption

[Registry]
Root: HKA; Subkey: "SoftwareClasses{#MyAppAssocExt}OpenWithProgids"; ValueType: string; ValueName: "{#MyAppAssocKey}"; ValueData: ""; Flags: uninsdeletevalue
Root: HKA; Subkey: "SoftwareClasses{#MyAppAssocKey}"; ValueType: string; ValueName: ""; ValueData: "{#MyAppAssocName}"; Flags: uninsdeletekey
Root: HKA; Subkey: "SoftwareClasses{#MyAppAssocKey}DefaultIcon"; ValueType: string; ValueName: ""; ValueData: "{app}{#MyAppExeName},0"
Root: HKA; Subkey: "SoftwareClasses{#MyAppAssocKey}shellopencommand"; ValueType: string; ValueName: ""; ValueData: """{app}{#MyAppExeName}"" ""%1"""
Root: HKA; Subkey: "SoftwareClassesApplications{#MyAppExeName}SupportedTypes"; ValueType: string; ValueName: ".myp"; ValueData: ""

[Icons]
Name: "{autoprograms}{#MyAppName}"; Filename: "{app}{#MyAppExeName}"
Name: "{autodesktop}{#MyAppName}"; Filename: "{app}{#MyAppExeName}"; Tasks: desktopicon

[Run]
Filename: "{app}{#MyAppExeName}"; Description: "{cm:LaunchProgram,{#StringChange(MyAppName, '&', '&&')}}"; Flags: nowait postinstall skipifsilent




[code]
// function IsModuleLoaded to call at install time
// added also setuponly flag
function IsModuleLoaded(modulename: String ):  Boolean;
external 'IsModuleLoaded@files:psvince.dll stdcall setuponly';

// function IsModuleLoadedU to call at uninstall time
// added also uninstallonly flag
function IsModuleLoadedU(modulename: String ):  Boolean;
external 'IsModuleLoaded@{app}psvince.dll stdcall uninstallonly' ;

//;判断进程是否存在
function IsAppRunning(const FileName : string): Boolean;
var
    FSWbemLocator: Variant;
    FWMIService   : Variant;
    FWbemObjectSet: Variant;
begin
    Result := false;
    try
      FSWbemLocator := CreateOleObject('WBEMScripting.SWBEMLocator');
      FWMIService := FSWbemLocator.ConnectServer('', 'rootCIMV2', '', '');
      FWbemObjectSet := FWMIService.ExecQuery(Format('SELECT Name FROM Win32_Process Where Name="%s"',[FileName]));
      Result := (FWbemObjectSet.Count > 0);
      FWbemObjectSet := Unassigned;
      FWMIService := Unassigned;
      FSWbemLocator := Unassigned;
    except
      if (IsModuleLoaded(FileName)) then
        begin
          Result := false;
        end
      else
        begin
          Result := true;
        end
      end;
end;

//;通过名称终结进程
procedure TaskKillProcessByName(AppName: String);
var
  WbemLocator : Variant;
  WMIService   : Variant;
  WbemObjectSet: Variant;
  WbemObject   : Variant;
begin;
  WbemLocator := CreateOleObject('WbemScripting.SWbemLocator');
  WMIService := WbemLocator.ConnectServer('localhost', 'rootCIMV2');
  WbemObjectSet := WMIService.ExecQuery('SELECT * FROM Win32_Process Where Name="' + AppName + '"');
  if not VarIsNull(WbemObjectSet) and (WbemObjectSet.Count > 0) then
  begin
    WbemObject := WbemObjectSet.ItemIndex(0);
    if not VarIsNull(WbemObject) then
    begin
      WbemObject.Terminate();
      WbemObject := Unassigned;
    end;
  end;
end;

//;安装的时候判断进程是否存在，存在则先提示是否结束进程
function InitializeSetup(): Boolean;
begin
  Result := true;
  if  IsAppRunning('{#MyAppExeName}') then
  begin
    if MsgBox('安装程序检测到 {#MyAppName} 正在运行！'#13''#13'单击“是”按钮关闭程序并继续安装；'#13''#13'单击“否”按钮退出安装！', mbConfirmation, MB_YESNO) = IDYES then
    begin
      TaskKillProcessByName('{#MyAppExeName}');
      TaskKillProcessByName('{#MyAppExeName}');
      Result:= true;
    end
    else
      Result:= false;
  end;
end;

//;卸载的时候判断进程是否存在，存在则先提示是否结束进程
function InitializeUninstall(): Boolean;
begin
    Result:= true;
    if  IsAppRunning('{#MyAppExeName}') then
    begin
      if MsgBox('卸载程序检测到 {#MyAppName} 正在运行！'#13''#13'单击“是”按钮关闭程序并继续卸载；'#13''#13'单击“否”按钮退出卸载！', mbConfirmation, MB_YESNO) = IDYES then
      begin
        TaskKillProcessByName('{#MyAppExeName}');
        TaskKillProcessByName('{#MyAppExeName}');
        Result:= true;
      end
      else
        Result:= false;
    end;
    if Result then
    begin
      UnloadDLL(ExpandConstant('{app}psvince.dll'));
    end;
    DelTree(ExpandConstant('{app}'), True, True, True);
end;