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unit Main;
{$mode objfpc}{$H+}
interface
uses
ComCtrls, db, DBGrids, memds, Forms, TADbSource, TAGraph, TASeries, Classes;
type
{ TForm1 }
TForm1 = class(TForm)
Chart1: TChart;
Chart1BarSeries1: TBarSeries;
Chart1LineSeries1: TLineSeries;
Datasource1: TDatasource;
DbChartSource1: TDbChartSource;
DBGrid1: TDBGrid;
MemDataset1: TMemDataset;
ToolBar1: TToolBar;
tbCopy: TToolButton;
procedure FormCreate(Sender: TObject);
procedure tbCopyClick(Sender: TObject);
end;
var
Form1: TForm1;
implementation
{$R *.lfm}
{ TForm1 }
{ Add dummy data to start with }
procedure TForm1.FormCreate(Sender: TObject);
const
N = 3;
var
i: Integer;
Fx, Fy: TField;
begin
Fx := MemDataset1.FieldByName('X');
Fy := MemDataset1.FieldByName('Y');
for i:= 1 to N do begin
MemDataset1.Append;
Fx.AsInteger := i;
Fy.AsFloat := Random;
MemDataset1.Post;
end;
end;
procedure TForm1.tbCopyClick(Sender: TObject);
begin
Chart1BarSeries1.ListSource.CopyFrom(DbChartSource1);
end;
end.
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