Notifies the parent window of a tree-view control that the user has clicked the left mouse button within the control. This notification is sent in the form of a WM_NOTIFY message.

Syntax

LPNMHDR lpnmh = (LPNMHDR) lParam;

Parameters

lpnmh

Pointer to an NMHDR structure that contains additional information about this notification message.

Return Value

Return nonzero to prevent the default processing, or zero to allow the default processing.

Notification Requirements

Minimum DLL Version	None
Header	commctrl.h
Minimum operating systems	Windows NT 3.51, Windows 95