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  • 改变文字背景颜色

    procedure TForm1.Button1Click(Sender: TObject);
    var
      OldTextColor : TColorRef;
      OldBkColor : TColorRef;
      OldBkMode : Integer;
    begin
      OldTextColor := SetTextColor(Form1.Canvas.Handle, RGB(0, 0, 255));
      OldBkColor := SetBkColor(Form1.Canvas.Handle, RGB(255, 0, 0));
      OldBkMode := SetBkMode(Form1.Canvas.Handle, OPAQUE);
      TextOut(Form1.Canvas.Handle,
              100, 100,
              'Blue text on red Background',
              27);
      SetBkMode(Form1.Canvas.Handle, OldBkMode);
      SetBkColor(Form1.Canvas.Handle, OldBkColor);
      SetTextColor(Form1.Canvas.Handle, OldTextColor);
    end;
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  • 原文地址:https://www.cnblogs.com/yzryc/p/6374047.html
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