Delphi TTrackBar doesn’t have on complete event

  

Delphi TTrackBar has two event for tracking changes:

OnChange
OnTracking

But both of them do the same thing. For example:

procedure TForm1.TrackBar1Change(Sender: TObject);
begin
ShowMessage(TrackBar1.Value.ToString);
end;

On any small change it shows 10 message.

How can I detect last change on mobile phones? Change must happens after all tracking?

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