[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 676

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.


Version 3.2 Generated 2024-02-25 Home