public void GetEvent(uint dwFlags, /*IMFMediaEvent*/ out IntPtr ppEvent)
{
MediaEvent ev = null;
try {
_eventQueue.GetEvent((int)dwFlags, out ev);
ppEvent = ev.Detach();
} finally {
ev?.Dispose();
}
}
public void EndGetEvent(/*IMFAsyncResult*/ IntPtr pResult, /*IMFMediaEvent*/ out IntPtr ppEvent)
{
if (pResult == IntPtr.Zero)
{
throw new ArgumentNullException();
}
var ar = new AsyncResult(pResult);
MediaEvent ev = null;
try {
_eventQueue.EndGetEvent(ar, out ev);
ppEvent = ev.Detach();
} finally {
ev?.Dispose();
ar.NativePointer = IntPtr.Zero;
ar.Dispose();
}
}