//设置窗口透明度

	typedef BOOL (FAR PASCAL *TransWnd)(HWND,COLORREF,BYTE,WORD);

	TransWnd trans_;

	HMODULE hModule = ::LoadLibrary(L"User32.dll");

	if(hModule)

	{

		trans_ = (TransWnd) ::GetProcAddress(hModule,"SetLayeredWindowAttributes");

		if(trans_)

		{

			SetWindowLong(GWL_EXSTYLE,GetWindowLong(GWL_EXSTYLE)|0x80000L);

			trans_(m_hWnd,RGB(0,255,0),200,LWA_ALPHA);

		}

		FreeLibrary(hModule);

	}