/// <summary>
/// Initializes a new instance of the <see cref="InvokeAsyncResult"/> class.
/// </summary>
/// <param name="activity">The activity.</param>
/// <param name="inputs">The inputs.</param>
/// <param name="extensions">The extensions.</param>
/// <param name="timeout">The timeout.</param>
/// <param name="syncContext">The synchronize context.</param>
/// <param name="invokeContext">The invoke context.</param>
/// <param name="callback">The callback.</param>
/// <param name="state">The state.</param>
public InvokeAsyncResult(
Activity activity,
IDictionary <string, object> inputs,
WorkflowInstanceExtensionManager extensions,
TimeSpan timeout,
SynchronizationContext syncContext,
AsyncInvokeContext invokeContext,
AsyncCallback callback,
object state)
: base(callback, state)
{
if (activity == null)
{
throw new ArgumentNullException(nameof(activity));
}
this.completionWaiter = new AsyncWaitHandle();
syncContext ??= SynchronousSynchronizationContext.Value;
this.instance = WorkflowApplication.StartInvoke(activity, inputs, extensions, syncContext, new Action(this.OnInvokeComplete), invokeContext);
if (this.completionWaiter.WaitAsync(WaitCompleteCallback, this, timeout))
{
var completeSelf = this.OnWorkflowCompletion();
if (completeSelf)
{
if (this.completionException != null)
{
throw FxTrace.Exception.AsError(this.completionException);
}
else
{
this.Complete(true);
}
}
}
}
