FMX.StdActns.TCustomValueRange.DoBeforeChange

• Up to Parent: TCustomValueRange

Delphi

procedure DoBeforeChange; virtual;

C++

virtual void __fastcall DoBeforeChange();

Properties

Type	Visibility	Source	Unit	Parent
procedure function	protected	FMX.StdActns.pas FMX.StdActns.hpp	FMX.StdActns	TCustomValueRange

Description

This virtual method fires the BeforeChange event.

In descendant classes, you can override this method to provide specific actions instead of calling an assigned BeforeChange event handler.

See Also

• FMX.StdActns.TCustomValueRange.BeforeChange