This notification message indicates that the user chose the Cancel button. It is sent in the form of a WM_NOTIFY message.
At a Glance
| Header file: | Prsht.h |
| Windows CE versions: | 1.0 and later |
Syntax
PSN_QUERYCANCEL lpnmhdr = (NMHDR FAR *) lParam;
Parameters
lppsn
Long pointer to a PSHNOTIFY structure that contains information about the notification. The lParam member of this structure does not contain any information. The i member of the hdr member of this structure contains the handle to the property sheet.
Return Values
TRUE prevents the cancel operation. FALSE allows the cancel operation.
Remarks
A property sheet page can use this notification message to ask the user to verify the cancel operation.