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https://gitlab.com/freepascal.org/lazarus/lazarus.git
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62 lines
1.0 KiB
ObjectPascal
62 lines
1.0 KiB
ObjectPascal
unit Main;
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{$mode objfpc}{$H+}
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interface
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uses
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ComCtrls, db, DBGrids, memds, Forms, TADbSource, TAGraph, TASeries, Classes;
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type
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{ TForm1 }
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TForm1 = class(TForm)
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Chart1: TChart;
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Chart1BarSeries1: TBarSeries;
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Chart1LineSeries1: TLineSeries;
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Datasource1: TDatasource;
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DbChartSource1: TDbChartSource;
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DBGrid1: TDBGrid;
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MemDataset1: TMemDataset;
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ToolBar1: TToolBar;
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tbCopy: TToolButton;
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procedure FormCreate(Sender: TObject);
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procedure tbCopyClick(Sender: TObject);
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end;
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var
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Form1: TForm1;
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implementation
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{$R *.lfm}
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{ TForm1 }
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{ Add dummy data to start with }
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procedure TForm1.FormCreate(Sender: TObject);
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const
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N = 5;
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var
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i: Integer;
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Fx, Fy: TField;
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begin
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Fx := MemDataset1.FieldByName('X');
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Fy := MemDataset1.FieldByName('Y');
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for i:= 1 to N do begin
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MemDataset1.Append;
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Fx.AsInteger := i;
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Fy.AsFloat := Random;
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MemDataset1.Post;
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end;
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end;
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procedure TForm1.tbCopyClick(Sender: TObject);
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begin
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Chart1BarSeries1.ListSource.CopyFrom(DbChartSource1);
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end;
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end.
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