Events
Apr 8, 3 PM - May 28, 7 AM
Sharpen your AI skills and enter the sweepstakes to win a free Certification exam
Register now!Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
Notifies a header control's parent window that the user clicked the control. This notification code is sent in the form of a WM_NOTIFY message.
HDN_ITEMCLICK
pNMHeader = (LPNMHEADER) lParam;
-
lParam
-
A pointer to an NMHEADER structure that identifies the header control and specifies the index of the header item that was clicked and the mouse button used to click the item. The pItem member is set to NULL.
No return value.
A header control sends this notification code after the user releases the left mouse button.
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
|
| Unicode and ANSI names |
HDN_ITEMCLICKW (Unicode) and HDN_ITEMCLICKA (ANSI) |