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4/8/2010

This function is implemented as a macro to maintain compatibility with existing code. Use the menu handle returned by this macro to disable the Closebutton. There is no other use for the return value.

Syntax 

HMENU GetSystemMenu(
  HWND 
hWnd, 
  BOOL 
bRevert 
);

Parameters

hWnd

[in] Handle to the window that will own a copy of the window menu.

bRevert

[in] Boolean value of TRUE if GetSystemMenuis to reset the window menu to the default state and destroy the previous window menu, if any. If this parameter is FALSE, GetSystemMenureturns the handle to the copy of the window menu currently in use. The copy is initially identical to the windowmenu, but it can be modified.

Return Value

If the bRevertparameter is FALSE, the return value is the handle to a copy of the window menu. If the bRevertparameter is TRUE, the return value is NULL.

Remarks

Use the following code to disable the Closebutton.

Copy Code 
EnableMenuItem (GetSystemMenu(hwnd, FALSE), SC_CLOSE,MF_BYCOMMAND |
MF_GRAYED);

Requirements

Header winuser.h
Library Menu.lib
Windows Embedded CE Windows CE 1.0 and later
Windows Mobile Windows Mobile Version 5.0 and later

See Also

Reference

Menus Functions