对不起,搞错了,不是GetSubMenu
应该是(get from msdn)
GetMenuItemInfo
The GetMenuItemInfo function retrieves information about a menu item.
BOOL GetMenuItemInfo(
HMENU hMenu, // handle to menu
UINT uItem, // menu item
BOOL fByPosition, // meaning of uItem
LPMENUITEMINFO lpmii // menu item information
);
Parameters
hMenu
[in] Handle to the menu that contains the menu item.
uItem
[in] Identifier or position of the menu item to get information about. The meaning of this parameter depends on the value of fByPosition.
fByPosition
[in] Specifies the meaning of uItem. If this parameter is FALSE, uItem is a menu item identifier. Otherwise, it is a menu item position.
lpmii
[in/out] Pointer to a MENUITEMINFO structure that specifies the information to retrieve and receives information about the menu item.
Return Values
If the function succeeds, the return value is nonzero.
If the function fails, the return value is zero. To get extended error information, use the GetLastError function.
这个参数可以指定按照编号来取menuitem的信息。
BOOL fByPosition, // meaning of uItem