VB.NET: question about "using" block

Posted by Craig Johnston on Stack Overflow See other posts from Stack Overflow or by Craig Johnston
Published on 2010-06-15T08:17:32Z Indexed on 2010/06/15 8:22 UTC
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Consider the code:

On Error Goto ErrorHandler

Using sr As StreamReader = New StreamReader(OpenFile)
    str = sr.ReadToEnd
    sr.Close()
End Using

Exit Sub

ErrorHandler:

If there is an error inside the Using block how do you clean up the sr object?

The sr object is not in scope in ErrHandler so sr.Close() cannot be called. Does the Using block cleanup any resources automatically even if there is an error?

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