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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.
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 that specifies the action to be taken. 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
window
menu, but it can be modified.
If this parameter is TRUE, GetSystemMenuresets the window menu back to the default state. The previous window menu, if any, is destroyed.
Return Values
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:
EnableMenuItem (GetSystemMenu(hwnd, FALSE), SC_CLOSE,MF_BYCOMMAND | MF_GRAYED);
Requirements
Runs on Versions Defined in Include Link to Windows CE OS 1.0 and later Winuser.h Menu.lib Note This API is part of the complete Windows CE OS package as provided by Microsoft. The functionality of a particular platform is determined by the original equipment manufacturer (OEM) and some devices may not support this API.