TPL Data Flow: MSDN example not compiling

Hi Guys,
I'm trying to run the MSDN example here http://msdn.microsoft.com/en-us/library/hh228601.aspx and am getting compile errors. I was hoping someone could look at the attached project Attachment 99489 and let me know what I'm doing wrong.

Basically it seems that an extension method isn't recognized by the editor.

I get the error:
'OutputAvailableAsync' is not a member of 'System.Threading.Tasks.Dataflow.ISourceBlock(Of Byte())

However, it's there: http://msdn.microsoft.com/en-us/library/hh160369.aspx?cs-save-lang=1&cs-lang=vb#code-snippet-1
And of course, it's used in the MSDN example.

Thanks,
Nick

Attached Files

• DataFlowTest.zip‎ (112.1 KB)