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  • delphi Sender和Tag的用法

    var
      Form1: TForm1;
      SelectedColor:TColor;//clBlack; //Default
    implementation
    {$R *.dfm}


    procedure TForm1.FormCreate(Sender: TObject);
    begin
       SelectedColor:=clBlack; //Default
    end;
    //将这些控件全部选中然后使用双击 OnClick事件
    //OnClick获得返回值
    procedure TForm1.img11Click(Sender: TObject);
    begin
      if TImage(Sender)=img1  then  SelectedColor:=clBlack;
      if TImage(Sender)=img2  then  SelectedColor:=$00002AA5;
      if TImage(Sender)=img3  then  SelectedColor:=$00404000;
      if TImage(Sender)=img4  then  SelectedColor:=$00005500;
      if TImage(Sender)=img5  then  SelectedColor:=$005E0000;
      if TImage(Sender)=img6  then  SelectedColor:=clNavy;
      if TImage(Sender)=img7  then  SelectedColor:=$00993333;
      if TImage(Sender)=img8  then  SelectedColor:=$00282828;
      if TImage(Sender)=img9  then  SelectedColor:=$0000008B;
      if TImage(Sender)=img10 then  SelectedColor:=$002068FF;
      if TImage(Sender)=img11 then  SelectedColor:=$00008B8B;
      if TImage(Sender)=img12 then  SelectedColor:=$00009300;
      if TImage(Sender)=img13 then  SelectedColor:=$008E8E38;
      if TImage(Sender)=img14 then  SelectedColor:=clBlue;
      if TImage(Sender)=img15 then  SelectedColor:=$00996666;
      if TImage(Sender)=img16 then  SelectedColor:=$00666666;
      if TImage(Sender)=img17 then  SelectedColor:=clRed;
      if TImage(Sender)=img18 then  SelectedColor:=$005BADFF;
      if TImage(Sender)=img19 then  SelectedColor:=$0032CD32;
      if TImage(Sender)=img20 then  SelectedColor:=$0071B33C;
      if TImage(Sender)=img21 then  SelectedColor:=$00D4FF7F;
      if TImage(Sender)=img22 then  SelectedColor:=$00FF6633;
      if TImage(Sender)=img23 then  SelectedColor:=clPurple;
      if TImage(Sender)=img24 then  SelectedColor:=$007F7F7F;
      if TImage(Sender)=img25 then  SelectedColor:=clFuchsia;
      if TImage(Sender)=img26 then  SelectedColor:=$0000D7FF;
      if TImage(Sender)=img27 then  SelectedColor:=clYellow;
      if TImage(Sender)=img28 then  SelectedColor:=clLime;
      if TImage(Sender)=img29 then  SelectedColor:=$00D0E040;
      if TImage(Sender)=img30 then  SelectedColor:=$00FFFFC0;
      if TImage(Sender)=img31 then  SelectedColor:=$00663399;
      if TImage(Sender)=img32 then  SelectedColor:=clSilver;
      if TImage(Sender)=img33 then  SelectedColor:=$00CC99FF;
      if TImage(Sender)=img34 then  SelectedColor:=$008CB4D2;
      if TImage(Sender)=img35 then  SelectedColor:=$0099FFFF;
      if TImage(Sender)=img36 then  SelectedColor:=$0098FB98;
      if TImage(Sender)=img37 then  SelectedColor:=$00EEEEAF;
      if TImage(Sender)=img38 then  SelectedColor:=$00FFCC00;
      if TImage(Sender)=img39 then  SelectedColor:=$00FF99CC;
      if TImage(Sender)=img40 then  SelectedColor:=clWhite;

      //Test
      Label1.Color:=SelectedColor;
    end;

    //OnMouseMove 样式改变
    //先手动设置一下
    procedure TForm1.img11MouseMove(Sender: TObject; Shift: TShiftState; X,
      Y: Integer);
    begin
      img_frame.Visible:=True;

      img_frame.Visible:=True;
      case TImage(Sender).Tag of
      1:
        begin
          img_frame.Left:= img1.Left;
          img_frame.Top := img1.Top;
        end;
      2:
        begin
          img_frame.Left:= img2.Left;
          img_frame.Top := img2.Top;
        end;
      3:
        begin
          img_frame.Left:= img3.Left;
          img_frame.Top := img3.Top;
        end;
      4:
        begin
          img_frame.Left:= img4.Left;
          img_frame.Top := img4.Top;
        end;
      5:
        begin
          img_frame.Left:= img5.Left;
          img_frame.Top := img5.Top;
        end;
      6:
        begin
          img_frame.Left:= img6.Left;
          img_frame.Top := img6.Top;
        end;
      7:
        begin
          img_frame.Left:= img7.Left;
          img_frame.Top := img7.Top;
        end;
      8:
        begin
          img_frame.Left:= img8.Left;
          img_frame.Top := img8.Top;
        end;
      9:
        begin
          img_frame.Left:= img9.Left;
          img_frame.Top := img9.Top;
        end;
      10:
        begin
          img_frame.Left:= img10.Left;
          img_frame.Top := img10.Top;
        end;
      11:
        begin
          img_frame.Left:= img11.Left;
          img_frame.Top := img11.Top;
        end;
      12:
        begin
          img_frame.Left:= img12.Left;
          img_frame.Top := img12.Top;
        end;
      13:
        begin
          img_frame.Left:= img13.Left;
          img_frame.Top := img13.Top;
        end;
      14:
        begin
          img_frame.Left:= img14.Left;
          img_frame.Top := img14.Top;
        end;
      15:
        begin
          img_frame.Left:= img15.Left;
          img_frame.Top := img15.Top;
        end;
      16:
        begin
          img_frame.Left:= img16.Left;
          img_frame.Top := img16.Top;
        end;
      17:
        begin
          img_frame.Left:= img17.Left;
          img_frame.Top := img17.Top;
        end;
      18:
        begin
          img_frame.Left:= img18.Left;
          img_frame.Top := img18.Top;
        end;
      19:
        begin
          img_frame.Left:= img19.Left;
          img_frame.Top := img19.Top;
        end;
      20:
        begin
          img_frame.Left:= img20.Left;
          img_frame.Top := img20.Top;
        end;
      21:
        begin
          img_frame.Left:= img21.Left;
          img_frame.Top := img21.Top;
        end;
      22:
        begin
          img_frame.Left:= img22.Left;
          img_frame.Top := img22.Top;
        end;
      23:
        begin
          img_frame.Left:= img23.Left;
          img_frame.Top := img23.Top;
        end;
      24:
        begin
          img_frame.Left:= img24.Left;
          img_frame.Top := img24.Top;
        end;
      25:
        begin
          img_frame.Left:= img25.Left;
          img_frame.Top := img25.Top;
        end;
      26:
        begin
          img_frame.Left:= img26.Left;
          img_frame.Top := img26.Top;
        end;
      27:
        begin
          img_frame.Left:= img27.Left;
          img_frame.Top := img27.Top;
        end;
      28:
        begin
          img_frame.Left:= img28.Left;
          img_frame.Top := img28.Top;
        end;
      29:
        begin
          img_frame.Left:= img29.Left;
          img_frame.Top := img29.Top;
        end;
      30:
        begin
          img_frame.Left:= img30.Left;
          img_frame.Top := img30.Top;
        end;
      31:
        begin
          img_frame.Left:= img31.Left;
          img_frame.Top := img31.Top;
        end;
      32:
        begin
          img_frame.Left:= img32.Left;
          img_frame.Top := img32.Top;
        end;
      33:
        begin
          img_frame.Left:= img33.Left;
          img_frame.Top := img33.Top;
        end;
      34:
        begin
          img_frame.Left:= img34.Left;
          img_frame.Top := img34.Top;
        end;
      35:
        begin
          img_frame.Left:= img35.Left;
          img_frame.Top := img35.Top;
        end;
      36:
        begin
          img_frame.Left:= img36.Left;
          img_frame.Top := img36.Top;
        end;
      37:
        begin
          img_frame.Left:= img37.Left;
          img_frame.Top := img37.Top;
        end;
      38:
        begin
          img_frame.Left:= img38.Left;
          img_frame.Top := img38.Top;
        end;
      39:
        begin
          img_frame.Left:= img39.Left;
          img_frame.Top := img39.Top;
        end;
      40:
        begin
          img_frame.Left:= img40.Left;
          img_frame.Top := img40.Top;
        end;
      end;

    end;




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  • 原文地址:https://www.cnblogs.com/xe2011/p/3885595.html
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