CancelClose

Funktionsname c:<CONTROL-NAME>_OnCancelClose
Syntax   (defun c:<CONTROL-NAME>_OnCancelClose (Canceling [as Boolean] /)
)
Rückgabewert Boolean
Ausgelöst durch File Dialog, Modal Dialog, Modeless Dialog

This event is triggered when the user attempts to close the dialog. Canceling is T if the dialog is closing because the user wants to cancel changes; otherwise it is NIL. A return value of T prevents the dialog from closing; otherwise the dialog is closed.