View source for WM INITMENU

This message occurs when a menu control is about to become active.

==Syntax==
<pre>
param1
    SHORT smenuid; /* Menu-control identifier. */

param2
    HWND  hwnd;    /* Menu-window handle. */
</pre>

==Parameters==
;''smenuid'' ([[SHORT]]) - input: Menu-control identifier.
;''hwnd'' ([[HWND]]) - input: Menu-window handle.
;''ulReserved'' (ULONG) - input: Reserved value, should be 0.

==Returns==
;''ulReserved'' (ULONG) - returns: Reserved value, should be 0.

==Remarks==
===in Frame Controls===
The identity of the top-level action-bar menu that generated this message is found. If the identity is FID_MENU, the message is passed to the window with identity FID_CLIENT. If the identity is FID_SYSMENU the system menu state is initialized according to the current state of the window. 

===in Menu Controls===
This message offers the owner the opportunity to perform some initialization on the menu items before they are presented.

The menu control window procedure generates this message and sends it to its owner, informing the owner of the event. 

==Default Processing==
The default window procedure takes no action on this message, other than to set ''ulReserved'' to 0.

==Related Messages==
* WM_INITMENU (in Frame Controls)
* WM_INITMENU (in Menu Controls)

[[Category:Messages]]