How to display custom date/time label text.
For this example we'll use an imaginary translation routine to display the labels in a different language. This example assumes only the month name is required for the date/time labels.
procedure TForm1.RACGetDateTimeLabelText(Sender: TObject; DateTime: TDateTime; var DateText, TimeText: string); var y, m, d: word; begin DecodeDate(DateTime, y, m, d); // use a translation routine to get the // month names in the required language DateText := Translate(ShortMonthNames[m], FLanguageCode); TimeText := ''; // not used for this example end;
Note: This event handler can be invoked many times a second while the user is dragging the chart or an allocation. It is important that it completes quickly in order to maintain a responsive user experience.
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