private IAsyncResult BeginInvoke(Activity workflow, IDictionary <string, object> inputs, TimeSpan timeout, WorkflowInstanceExtensionManager extensions, AsyncCallback callback, object state)
{
if (inputs == null)
{
throw FxTrace.Exception.ArgumentNull(nameof(inputs));
}
TimeoutHelper.ThrowIfNegativeArgument(timeout);
return(WorkflowApplication.BeginInvoke(workflow, inputs, extensions, timeout, null, null, callback, state));
}
private void InternalInvokeAsync(IDictionary <string, object> inputs, TimeSpan timeout, object userState)
{
var context = new AsyncInvokeContext(userState, this);
if (userState != null)
{
AddToPendingInvokes(context);
}
Exception error = null;
var completedSynchronously = false;
try
{
if (invokeCallback == null)
{
invokeCallback = Fx.ThunkCallback(new AsyncCallback(InvokeCallback));
}
context.Operation.OperationStarted();
var result = WorkflowApplication.BeginInvoke(this.workflow, inputs, this.extensions, timeout, SynchronizationContext.Current, context, invokeCallback, context);
if (result.CompletedSynchronously)
{
context.Outputs = this.EndInvoke(result);
completedSynchronously = true;
}
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
error = e;
}
if (error != null || completedSynchronously)
{
PostInvokeCompletedAndRemove(context, error);
}
}
private IAsyncResult BeginInvoke(Activity workflow, TimeSpan timeout, WorkflowInstanceExtensionManager extensions, AsyncCallback callback, object state)
{
TimeoutHelper.ThrowIfNegativeArgument(timeout);
return(WorkflowApplication.BeginInvoke(workflow, null, extensions, timeout, null, null, callback, state));
}
