* @param connName the connection name
* @return the RAS connection structure
*/
public static int countGpusNV() {
// create a dummy window
HWND hWnd = User32Util.createWindow("Message", null, 0, 0, 0, 0, 0, null, null, null, null);
HDC hdc = User32.INSTANCE.GetDC(hWnd);
// set a compatible pixel format
PIXELFORMATDESCRIPTOR.ByReference pfd = new PIXELFORMATDESCRIPTOR.ByReference();
pfd.nVersion = 1;