win32窗口全屏

//全屏
HWND hDesktop;
RECT rect;
hDesktop= GetDesktopWindow();
GetWindowRect( hDesktop, &rect  );
SetWindowLong( hwnd, GWL_STYLE, WS_BORDER );

SetWindowPos( hwnd, HWND_TOPMOST, 0, 0, rc.right, rc.bottom, SWP_SHOWWINDOW);//注：hwnd是窗口的句柄

//全屏