troubleshooting Question

'This operation has already had OperationCompleted called on it and further calls are illegal.'

Avatar of Toni Stengler
Toni Stengler asked on
Visual Basic.NET
4 Comments1 Solution855 ViewsLast Modified:
'This operation has already had OperationCompleted called on it and further calls are illegal.'

I am using vb.net and I am using a backgroundworker to download files when I call the ReportProgress the first time works but when I call it again further down the code of the Backgroundworker_dowork event it shows the error above ('This operation has already had OperationCompleted called on it and further calls are illegal.')
ASKER CERTIFIED SOLUTION
Éric Moreau
Senior .Net Consultant
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