Dynamically add data points to chart
This Delphi graphic tutorial demonstrates how to create a simple charts using TChart component and add data points to the chart at runtime.
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Dynamically add data points to chart
Use following simple steps to start your chart using Delphi TChart component:
- Put chart component on the form
- Double click on chart, then you will see chart editing dialog box.
- Click add button in series tab sheet.
- Select the chart style from the list (Line, Bar, Pie ..)
Use following procedure to add data points into chart at runtime.
procedure TForm1.Button2Click(Sender: TObject);
Var
X, Y : Variant;
begin
X := Edit1.Text;
Y := Edit2.Text;
Chart1.Series[0].AddXY(X, Y, '', clTeeColor);
end;
This one clears data series from chart.
procedure TForm1.Button1Click(Sender: TObject);
begin
Chart1.Series[0].Clear;
end;
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