public static void End(
IAsyncResult result, object owner, string operationId)
{
AsyncResultNoResult asyncResult = result as AsyncResultNoResult;
if (asyncResult == null)
{
throw new ArgumentException(
"Result passed represents an operation not supported " +
"by this framework.",
"result");
}
asyncResult.CheckUsage(owner, operationId);
// This method assumes that only 1 thread calls EndInvoke
// for this object
if (!asyncResult.IsCompleted)
{
// If the operation isn't done, wait for it
asyncResult.AsyncWaitHandle.WaitOne();
asyncResult.AsyncWaitHandle.Close();
asyncResult.m_AsyncWaitHandle = null; // Allow early GC
}
// Operation is done: if an exception occurred, throw it
if (asyncResult.m_exception != null)
{
logger.Error("Exception in AsyncResultNoResult.End", asyncResult.m_exception);
}
}
protected virtual void MakeCallback(
AsyncCallback callback, AsyncResultNoResult result)
{
// If a callback method was set, call it
if (callback != null)
{
callback(result);
}
}
