public bool Connect()
{
// If we're already connected, then simply return
if (fIsConnected)
return fIsConnected;
fIsConnected = capDriverConnect();
if (!fIsConnected)
throw new Exception("VfwCaptureDevice - Connection to device failed");
// Get the driver capabilities
fDriverCapabilities = new CAPDRIVERCAPS();
bool gotDriverCaps = capDriverGetCaps(ref fDriverCapabilities);
// Finally allow a subclasser to do something special
// upon connection.
OnConnected();
capGetStatus(ref fCaptureStatus);
StringBuilder sb = new StringBuilder(100);
StringBuilder sbVersion = new StringBuilder(100);
capDriverGetName(sb, 100);
capDriverGetVersion(sbVersion, 100);
fDeviceDriver = new VfwDeviceDriver(sb.ToString(), sbVersion.ToString());
return fIsConnected;
}
public static extern int SendMessageW([In] IntPtr hWnd, int Msg, uint wParam, ref CAPDRIVERCAPS caps);
public bool capDriverGetCaps(ref CAPDRIVERCAPS s)
{
int wSize = Marshal.SizeOf(s);
bool success = (1 == SendMessageW(fWindowHandle, Vfw.WM_CAP_DRIVER_GET_CAPS, (uint)wSize, ref s));
return success;
}
