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

TQueryEndSessionEvent

Specifies an event type used to handle a WM_QUERYENDSESSION window message in an application.

Declaration

Source position: forms.pp line 1321

type TQueryEndSessionEvent = procedure(

  var Cancel: Boolean

) of object;

Arguments

Cancel

  

Set Cancel to True to prevent the session from ending.

See also

TApplication.OnQueryEndSession

  

Event handler signalled to determine if the current session be be ended, and the application can be closed.

Version 4.6 Generated 2026-02-20 Home