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Pascal/Delphi Source File  |  2001-09-10  |  1.5 KB  |  67 lines
  1. unit Legend_Widths;
  2.  
  3. interface
  4.  
  5. uses
  6.   Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  7.   Base, ComCtrls, StdCtrls, TeEngine, Series, OHLChart, CandleCh, ExtCtrls,
  8.   TeeProcs, Chart, TeePenDlg;
  9.  
  10. type
  11.   TLegendWidths = class(TBaseForm)
  12.     Series1: TCandleSeries;
  13.     Label1: TLabel;
  14.     Edit1: TEdit;
  15.     UpDown1: TUpDown;
  16.     CheckBox1: TCheckBox;
  17.     Label2: TLabel;
  18.     Edit2: TEdit;
  19.     UpDown2: TUpDown;
  20.     procedure FormCreate(Sender: TObject);
  21.     procedure Edit1Change(Sender: TObject);
  22.     procedure CheckBox1Click(Sender: TObject);
  23.     procedure Edit2Change(Sender: TObject);
  24.   private
  25.     { Private declarations }
  26.   public
  27.     { Public declarations }
  28.   end;
  29.  
  30. implementation
  31.  
  32. {$R *.DFM}
  33.  
  34. procedure TLegendWidths.FormCreate(Sender: TObject);
  35. begin
  36.   inherited;
  37.   Series1.FillSampleValues(20);
  38. end;
  39.  
  40. procedure TLegendWidths.Edit1Change(Sender: TObject);
  41. begin
  42.   Chart1.Legend.ColumnWidths[0]:=UpDown1.Position;
  43.   Chart1.Repaint;
  44. end;
  45.  
  46. procedure TLegendWidths.CheckBox1Click(Sender: TObject);
  47. begin
  48.   inherited;
  49.   Chart1.Legend.ColumnWidthAuto:=CheckBox1.Checked;
  50.   Chart1.Repaint;
  51.   
  52.   UpDown1.Enabled:=not CheckBox1.Checked;
  53.   UpDown2.Enabled:=not CheckBox1.Checked;
  54.   Edit1.Enabled:=not CheckBox1.Checked;
  55.   Edit2.Enabled:=not CheckBox1.Checked;
  56. end;
  57.  
  58. procedure TLegendWidths.Edit2Change(Sender: TObject);
  59. begin
  60.   Chart1.Legend.ColumnWidths[1]:=UpDown2.Position;
  61.   Chart1.Repaint;
  62. end;
  63.  
  64. initialization
  65.   RegisterClass(TLegendWidths);
  66. end.
  67.