#define SHCMBM_GETMENU (WM_USER + 402)
#define SHCMBM_SETSUBMENU (WM_USER + 400) // wparam == id of button, lParam == hmenu, return is old hmenu
#define SHCMBM_GETSUBMENU (WM_USER + 401) // lParam == ID
#define SHCMBM_GETMENU (WM_USER + 402)
#define SHCMBM_SETSUBMENU (WM_USER + 400) // wparam == id of button, lParam == hmenu, return is old hmenu
#define SHCMBM_GETSUBMENU (WM_USER + 401) // lParam == ID