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//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);
}