PSN_QUERYCANCEL

Overview

Group

Quick Info

Windows NT
Yes
Win95
Yes
Win32s
Yes
Import Library
-
Header File
prsht.h
Unicode
No
Platform Notes
None

The PSN_QUERYCANCEL notification message indicates that the user chose the Cancel button. This notification message is sent in the form of a WM_NOTIFY message.

PSN_QUERYCANCEL

lpnmhdr = (NMHDR FAR *) lParam;

Parameters
lpnmhdr
Pointer to an NMHDR structure. The hwndFrom member is the handle of the property sheet.

Return Values
Returns TRUE to prevent the cancel operation or FALSE to allow it.

Remarks
A property sheet page can use this notification message to ask the user to verify the cancel operation.