Vcl.Forms.TCustomForm.VisibleChanging

• Up to Parent: TCustomForm

Delphi

procedure VisibleChanging; override;

C++

DYNAMIC void __fastcall VisibleChanging();

Properties

Type	Visibility	Source	Unit	Parent
procedure function	protected	Vcl.Forms.pas Vcl.Forms.hpp	Vcl.Forms	TCustomForm

Description

Responds just before the form changes the value of its Visible property.

This protected method raises an exception if, for some reason, the form should not change its visible state.

See Also

• Visible