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

TScreen.OnActiveFormChange

Event handler signalled when the active form on the screen has been changed.

Declaration

Source position: forms.pp line 1316

public property TScreen.OnActiveFormChange : TNotifyEvent
  read FOnActiveFormChange
  write FOnActiveFormChange;

Description

OnActiveFormChange is a TNotifyEvent property with the event handler signalled when the active form on the screen has been changed. Sender contains the TScreen instance for the change notification.

OnActiveFormChange is signalled (when assigned) from the UpdateLastActive method, and occurs before the OnActiveControlChange event handler.

See also

TScreen.AddHandlerActiveFormChanged

  

Adds a form changed notification handler.

TScreen.AddHandlerActiveFormChanged

  

Adds a form changed notification handler.

TNotifyEvent


Version 3.2 Generated 2024-02-25 Home