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Pascal/Delphi Source File  |  2001-09-10  |  1.6 KB  |  70 lines
  1. unit MACD_Function;
  2.  
  3. interface
  4.  
  5. uses
  6.   Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  7.   Base, TeEngine, StatChar, Series, OHLChart, CandleCh, ExtCtrls, TeeProcs,
  8.   Chart, StdCtrls, ComCtrls, TeeTools;
  9.  
  10. type
  11.   TMACDForm = class(TBaseForm)
  12.     Series1: TCandleSeries;
  13.     Series2: TLineSeries;
  14.     CheckBox1: TCheckBox;
  15.     Label1: TLabel;
  16.     Edit1: TEdit;
  17.     UpDown1: TUpDown;
  18.     TeeFunction1: TMACDFunction;
  19.     Label2: TLabel;
  20.     Edit2: TEdit;
  21.     UpDown2: TUpDown;
  22.     procedure FormCreate(Sender: TObject);
  23.     procedure CheckBox1Click(Sender: TObject);
  24.     procedure Edit1Change(Sender: TObject);
  25.     procedure Edit2Change(Sender: TObject);
  26.   private
  27.     { Private declarations }
  28.   public
  29.     { Public declarations }
  30.   end;
  31.  
  32. implementation
  33.  
  34. {$R *.DFM}
  35.  
  36. procedure TMACDForm.FormCreate(Sender: TObject);
  37. begin
  38.   inherited;
  39.   Series1.FillSampleValues(120);
  40. end;
  41.  
  42. procedure TMACDForm.CheckBox1Click(Sender: TObject);
  43. begin
  44.   Series2.Active:=CheckBox1.Checked;
  45.  
  46.   Chart1.Legend.Visible:=CheckBox1.Checked;
  47.  
  48.   Edit1.Enabled:=CheckBox1.Checked;
  49.   UpDown1.Enabled:=CheckBox1.Checked;
  50.  
  51.   { adjust axes... }
  52.   Chart1.CustomAxes[0].Visible:=Series2.Active;
  53.   if Series2.Active then Chart1.LeftAxis.EndPosition:=50
  54.                     else Chart1.LeftAxis.EndPosition:=100;
  55. end;
  56.  
  57. procedure TMACDForm.Edit1Change(Sender: TObject);
  58. begin
  59.   TeeFunction1.Period:=UpDown1.Position
  60. end;
  61.  
  62. procedure TMACDForm.Edit2Change(Sender: TObject);
  63. begin
  64.   TeeFunction1.Period2:=UpDown2.Position
  65. end;
  66.  
  67. initialization
  68.   RegisterClass(TMACDForm);
  69. end.
  70.