IW
TMS IntraWeb Charts
Fast multipane financial graphs & 2D feature rich charting
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Tips and Frequently Asked Questions
Add custom X-axis text programmatically
With the latest version of the TAdvChartView component it is possible to add custom X-Axis text by a new override of the AddSinglePoint method that has a parameter XAxisText.
The sample code snippet here shows how to add a custom numbering as X-axis label text rotated by 40°.
procedure TForm.FormCreate(Sender: TObject);
var
i: integer;
xval: Double;
begin
with AdvChartView1.Panes[0] do
begin
//Set range
Range.RangeFrom := 0;
Range.RangeTo := 100;
Range.MaximumScrollRange := 100;
Range.MinimumScrollRange := 0;
//Set X-Axis size
XAxis.Size := 60;
//Add points with custom X-Axis text
with Series[0] do
begin
ChartType := ctBar;
AutoRange := arEnabledZeroBased;
Color := clBlue;
ColorTo := clSilver;
for I := 0 to 100 do
begin
xval := 144 + (I * 0.2);
AddSinglePoint(RandomRange(20, 100), FloatToStr(xval));
end;
//Rotate text
XAxis.TextBottom.Angle := 40;
//Enabled tickmarks
XAxis.TickMarkColor := clBlack;
end;
end;
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)
Licensing
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