internal sealed override void InternalExecute(System.Activities.ActivityInstance instance, ActivityExecutor executor, BookmarkManager bookmarkManager)
{
AsyncOperationContext asyncContext = executor.SetupAsyncOperationBlock(instance);
instance.IncrementBusyCount();
AsyncCodeActivityContext context = new AsyncCodeActivityContext(asyncContext, instance, executor);
bool flag = false;
try
{
IAsyncResult result = this.BeginExecute(context, AsyncCodeActivity.OnExecuteComplete, asyncContext);
if (result == null)
{
throw FxTrace.Exception.AsError(new InvalidOperationException(System.Activities.SR.BeginExecuteMustNotReturnANullAsyncResult));
}
if (!object.ReferenceEquals(result.AsyncState, asyncContext))
{
throw FxTrace.Exception.AsError(new InvalidOperationException(System.Activities.SR.BeginExecuteMustUseProvidedStateAsAsyncResultState));
}
if (result.CompletedSynchronously)
{
((IAsyncCodeActivity)this).FinishExecution(context, result);
asyncContext.CompleteOperation();
}
flag = true;
}
finally
{
context.Dispose();
if (!flag)
{
asyncContext.CancelOperation();
}
}
}
sealed internal override void InternalExecute(ActivityInstance instance, ActivityExecutor executor, BookmarkManager bookmarkManager)
{
// first set up an async context
AsyncOperationContext asyncContext = executor.SetupAsyncOperationBlock(instance);
instance.IncrementBusyCount();
AsyncCodeActivityContext context = new AsyncCodeActivityContext(asyncContext, instance, executor);
bool success = false;
try
{
IAsyncResult result = BeginExecute(context, AsyncCodeActivity.OnExecuteComplete, asyncContext);
if (result == null)
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SR.BeginExecuteMustNotReturnANullAsyncResult));
}
if (!object.ReferenceEquals(result.AsyncState, asyncContext))
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SR.BeginExecuteMustUseProvidedStateAsAsyncResultState));
}
if (result.CompletedSynchronously)
{
EndExecute(context, result);
asyncContext.CompleteOperation();
}
success = true;
}
finally
{
context.Dispose();
if (!success)
{
asyncContext.CancelOperation();
}
}
}