// Disconnect from ActiveX event source
void Disconnect()
{
System.Threading.Monitor.Enter(this);
try {
if (EventSinkHelper != null)
ConnectionPoint.Unadvise(EventSinkHelper.Cookie);
ConnectionPoint = null;
EventSinkHelper = null;
} catch { }
System.Threading.Monitor.Exit(this);
}
// Connect to ActiveX event source
void Connect()
{
if (ConnectionPoint == null)
{
ConnectionCount = 0;
Guid g = new Guid("6BF52A51-394A-11D3-B153-00C04F79FAA6");
ConnectionPointContainer.FindConnectionPoint(ref g, out ConnectionPoint);
EventSinkHelper = new _WMPOCXEvents_SinkHelper();
ConnectionPoint.Advise(EventSinkHelper, out EventSinkHelper.Cookie);
}
}