Unit 'Forms' Package
[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] [#lcl]

TCustomForm.VisibleChanging

Notifies all VisibleChanging handlers.

Declaration

Source position: forms.pp line 668

protected procedure TCustomForm.VisibleChanging; override;

Description

Calls the inherited method prior to exit. Called prior to setting the new value for the Visible property in a control (or form) in the SetVisible method.

See also

TControl.VisibleChanging

  

Notifies all chtOnVisibleChanging handlers for the control.

Version 4.6 Generated 2026-02-20 Home