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Pascal/Delphi Source File  |  2001-09-10  |  1.0 KB  |  52 lines

  1. unit Chart_Transparent;
  2.  
  3. interface
  4.  
  5. uses
  6.   Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  7.   Base, ExtCtrls, TeeProcs, TeEngine, Chart, StdCtrls, Series;
  8.  
  9. type
  10.   TChartTransparent = class(TBaseForm)
  11.     Button1: TButton;
  12.     Series1: TPieSeries;
  13.     procedure Button1Click(Sender: TObject);
  14.     procedure FormCreate(Sender: TObject);
  15.   private
  16.     { Private declarations }
  17.   public
  18.     { Public declarations }
  19.   end;
  20.  
  21. implementation
  22.  
  23. {$R *.DFM}
  24.  
  25. procedure TChartTransparent.Button1Click(Sender: TObject);
  26. begin
  27.   { no border }
  28.   Chart1.BevelOuter:=bvNone;
  29.  
  30.   { set transparent }
  31.   Chart1.Color:=clNone;
  32.  
  33.   { copy to clipboard in metafile mode }
  34.   Chart1.CopyToClipboardMetafile(True);
  35.  
  36.   { restore previous color }
  37.   Chart1.Color:=clBtnFace;
  38.  
  39.   { previous border }
  40.   Chart1.BevelOuter:=bvRaised;
  41. end;
  42.  
  43. procedure TChartTransparent.FormCreate(Sender: TObject);
  44. begin
  45.   inherited;
  46.   Series1.FillSampleValues(9);
  47. end;
  48.  
  49. initialization
  50.   RegisterClass(TChartTransparent);
  51. end.
  52.