[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'Forms' (#lcl)

TCustomForm.VisibleChanged

Notifies all handlers when the visibility for the form has been changed.

Declaration

Source position: forms.pp line 612

protected procedure TCustomForm.VisibleChanged; override;

Description

Calls the inherited method on entry.

When the Screen singleton has been assigned, its NotifyScreenFormHandler method is called to signal all snFormVisibleChanged handlers in the class instance.

Called after a new value has been assigned to the Visible property for the control (or form).

See also

Screen

  

The TScreen singleton for the application.

TScreenNotification

  

Screen notification events and handler types.