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Pascal/Delphi Source File  |  2001-09-10  |  1.4 KB  |  61 lines

  1. unit Legend_CustomPos;
  2.  
  3. interface
  4.  
  5. uses
  6.   Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  7.   Base_CustomPos, TeEngine, Series, ComCtrls, StdCtrls, ExtCtrls, TeeProcs,
  8.   Chart;
  9.  
  10. type
  11.   TLegendCustomPos = class(TBaseCustomPos)
  12.     Series1: TPieSeries;
  13.     procedure CheckBox1Click(Sender: TObject);
  14.     procedure FormCreate(Sender: TObject);
  15.     procedure TrackBar1Change(Sender: TObject);
  16.     procedure TrackBar2Change(Sender: TObject);
  17.   private
  18.     { Private declarations }
  19.   public
  20.     { Public declarations }
  21.   end;
  22.  
  23. implementation
  24.  
  25. {$R *.DFM}
  26.  
  27. procedure TLegendCustomPos.CheckBox1Click(Sender: TObject);
  28. begin
  29.   Chart1.Legend.CustomPosition:=CheckBox1.Checked;
  30.  
  31.   TrackBar1.Enabled:=CheckBox1.Checked;
  32.   TrackBar2.Enabled:=CheckBox1.Checked;
  33. end;
  34.  
  35. procedure TLegendCustomPos.FormCreate(Sender: TObject);
  36. begin
  37.   inherited;
  38.   Series1.FillSampleValues(7);
  39.  
  40.   Chart1.Legend.CustomPosition:=True;
  41.   Chart1.Legend.Left:=36;
  42.   Chart1.Legend.Top:=20;
  43.  
  44.   TrackBar1.Position:=Chart1.Legend.Left;
  45.   TrackBar2.Position:=Chart1.Legend.Top;
  46. end;
  47.  
  48. procedure TLegendCustomPos.TrackBar1Change(Sender: TObject);
  49. begin
  50.   Chart1.Legend.Left:=TrackBar1.Position
  51. end;
  52.  
  53. procedure TLegendCustomPos.TrackBar2Change(Sender: TObject);
  54. begin
  55.   Chart1.Legend.Top:=TrackBar2.Position
  56. end;
  57.  
  58. initialization
  59.   RegisterClass(TLegendCustomPos);
  60. end.
  61.