通过注册表屏蔽/打开菜单阴影效果功能时，必须要打开注册表子键（）

AHKEY_LOCAL_MACHINE/System/CurrentControlSet/Control/SessionManager/MemoryManagement

BHKEY_CURRENT_USER/Software/Microsoft/Windows/CurrentVersion/Explorer/Advanced

CHKEY_LOCAL_MACHINE/Software/Microsoft/InternetExplorer/Main

DHKEY_CURRENT_USER/ControlPanel/Desktop