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4/8/2010

This message indicates that the user chose the Cancelbutton. It is sent in the form of a WM_NOTIFYmessage.

Syntax 

PSN_QUERYCANCEL 
lppsn = (LPPSHNOTIFY) 
lParam;

Parameters

lppsn

Long pointer to a PSHNOTIFYstructure that contains information about the notification.

Return Value

TRUE prevents the cancel operation. FALSE allows the cancel operation.

Remarks

The lParammember of this structure does not contain any information.

The PSHNOTIFYstructure contains an NMHDRstructure as its first member, hdr. The hwndFrommember of this NMHDRstructure contains the handle to the property sheet.

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

Requirements

Header prsht.h
Windows Embedded CE Windows CE 1.0 and later
Windows Mobile Windows Mobile Version 5.0 and later

See Also