IW

TMS IntraWeb Charts

Fast multipane financial graphs & 2D feature rich charting

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Tips and Frequently Asked Questions

 Retrieving the serie values at crosshair


While the tracker window will display serie values at crosshair position, it can often be interesting to retrieve the values in code. Following code snippet shows the serie values in the caption of the form:
procedure TForm1.AdvChartView1MouseMove(Sender: TObject; Shift: TShiftState;
  X, Y: Integer);
var
  i: integer;
  cp: TChartPoint;
  s: string;
begin
  with AdvChartView1.Panes[0] do
  begin
    s := '';
    for i := 0 to Series.Count - 1 do
    begin
      cp := GetChartPointAtCrossHair(i);
      if s = '' then
        s := floattostr(cp.SingleValue)
      else
        s := s + ':' + floattostr(cp.SingleValue);
    end;
  end;
end;


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Compatibility

    Delphi 7, 2007, 2010, 2009, XE, XE2, XE3, XE4, XE5, XE6, XE7, XE8, 10 Seattle, 10.1 Berlin, 10.2 Tokyo, 10.3 Rio, 10.4 Sydney, 11 Alexandria, C++Builder 2007, 2009, 2010, XE, XE2, XE3, XE4, XE5, XE6, XE7, XE8, 10 Seattle, 10.1 Berlin, 10.2 Tokyo, 10.3 Rio, 10.4 Sydney, 11 Alexandria, DXE15, CXE15 (Professional/Enterprise/Architect)


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