然后,我又用了SetMenuItemBitmaps函数:
SetMenuItemBitmaps(GetMenu(hWnd),IDM_HELP_ABOUT,MF_BYCOMMAND,MAKEINTRESOURCE(IDB_About),MAKEINTRESOURCE(IDB_About2));
错误:
error C3861: 'SetMenuItemBitmaps': identifier not found
error C3861: 'GetMenu': identifier not found