public IAsyncResult BeginWait(TimeSpan timeout, bool throwTimeoutException, AsyncCallback callback, object state)
{
Exception exception = null;
lock (this.thisLock)
{
if (!this.set)
{
WaitAsyncResult result = new WaitAsyncResult(timeout, throwTimeoutException, callback, state);
this.Aborted += new WaitAsyncResult.AbortHandler(result.OnAborted);
this.Faulted += new WaitAsyncResult.AbortHandler(result.OnFaulted);
this.Signaled += new WaitAsyncResult.SignaledHandler(result.OnSignaled);
result.Begin();
return(result);
}
if (this.communicationObject != null)
{
exception = this.GetException();
}
}
if (exception != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(exception);
}
return(new CompletedAsyncResult(callback, state));
}
public IAsyncResult BeginClose(TimeSpan timeout, AsyncCallback callback, object state)
{
bool flag = false;
WaitAsyncResult result = null;
lock (this.thisLock)
{
if (this.closed || (this.currentCount == 0))
{
flag = true;
}
else
{
result = new WaitAsyncResult(timeout, true, callback, state);
this.Signaled += new WaitAsyncResult.SignaledHandler(result.OnSignaled);
}
this.closed = true;
}
if (flag)
{
return(new CompletedAsyncResult(callback, state));
}
result.Begin();
return(result);
}
public bool EndTryWait(IAsyncResult result)
{
if (result is CompletedAsyncResult)
{
CompletedAsyncResult.End(result);
return(true);
}
return(WaitAsyncResult.End(result));
}
public void EndClose(IAsyncResult result)
{
if (result is CompletedAsyncResult)
{
CompletedAsyncResult.End(result);
}
else
{
WaitAsyncResult.End(result);
}
}
