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52 lines
865 B
ObjectPascal
52 lines
865 B
ObjectPascal
unit frmOHLC;
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{$mode ObjFPC}{$H+}
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interface
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uses
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Classes, SysUtils,
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Forms, Controls,
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TAGraph, TAChartUtils, TAMultiSeries;
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type
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TOHLCFrame = class(TFrame)
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Chart: TChart;
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OpenHighLowCloseSeries: TOpenHighLowCloseSeries;
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private
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public
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constructor Create(AOwner: TComponent); override;
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end;
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implementation
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{$R *.lfm}
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constructor TOHLCFrame.Create(AOwner: TComponent);
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var
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ylist: array[1..4] of Double;
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i, j: Integer;
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y, y0: Double;
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begin
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inherited;
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OpenHighLowCloseSeries.ListSource.YCount := 4;
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y := 50;
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for i := 1 to 50 do begin
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y += Random(80) / 10 - 4;
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ylist[1] := y;
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for j := 1 to 3 do begin
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ylist[j] += Random(20) / 10 + 1;
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ylist[j + 1] := ylist[j];
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end;
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if Random(3) = 1 then
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Exchange(ylist[1], ylist[2]);
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OpenHighLowCloseSeries.AddXY(i, y, ylist);
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end;
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end;
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end.
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