private void FreeComObject(object comObject)
{
if (activate != null)
{
activate.ShutdownObject();
}
Marshal.ReleaseComObject(comObject);
}
public static void ShutdownObject(this IMFActivate obj, bool throwOnError = true)
{
if (obj == null)
{
throw new ArgumentNullException(nameof(obj));
}
obj.ShutdownObject().ThrowOnError(throwOnError);
}
//-------------------------------------------------------------------
// CloseDevice
//
// Releases all resources held by this object.
//-------------------------------------------------------------------
public virtual int CloseDevice()
{
lock (LockSync)
{
SafeRelease(PReader);
PReader = null;
pActivate?.ShutdownObject();
pActivate = null;
PwszSymbolicLink = null;
Draw.DrawNullFrame();
}
return(S_Ok);
}
