Hello,
The following code generates an exception error the *second* time it is
called.
Can anyone see what I'm doing wrong?
There is a similar example in Wrox Professional VB.NET Page 289.
Error:
An unhandled exception of type 'System.ObjectD isposedExceptio n'
occurred in mscorlib.dll
Additional information: Cannot write to a closed TextWriter.
The error occurs on this line: Debug.WriteLine ("Date: " & DateTime.Now)
Code:
Dim LogFile As String = "C:\LogFile.txt "
Dim objWriter As IO.StreamWriter
objWriter = New IO.StreamWriter (LogFile, FileMode.OpenOr Create)
Debug.Listeners .Add(New TextWriterTrace Listener(objWri ter))
Debug.WriteLine ("Date: " & DateTime.Now)
Debug.Indent()
Debug.WriteLine ("Error: " & Exception.Messa ge)
objWriter.Flush ()
objWriter.Close ()
objWriter = Nothing
Thank you,
Paul
6  5783 
Which line is the error occuring on?
"Paul" <pa**@nospam.co m> wrote in message
news:%2******** ********@TK2MSF TNGP10.phx.gbl. .. Hello,
The following code generates an exception error the *second* time it is
called.
Can anyone see what I'm doing wrong?
There is a similar example in Wrox Professional VB.NET Page 289.
Error:
An unhandled exception of type 'System.ObjectD isposedExceptio n'
occurred in mscorlib.dll
Additional information: Cannot write to a closed TextWriter.
The error occurs on this line: Debug.WriteLine ("Date: " & DateTime.Now)
Code:
Dim LogFile As String = "C:\LogFile.txt "
Dim objWriter As IO.StreamWriter
objWriter = New IO.StreamWriter (LogFile, FileMode.OpenOr Create)
Debug.Listeners .Add(New TextWriterTrace Listener(objWri ter))
Debug.WriteLine ("Date: " & DateTime.Now)
Debug.Indent()
Debug.WriteLine ("Error: " & Exception.Messa ge)
objWriter.Flush ()
objWriter.Close ()
objWriter = Nothing
Thank you,
Paul
Try:
Dim LogFile As String = "C:\LogFile.txt "
Dim objWriter As IO.StreamWriter
objWriter = New IO.StreamWriter (LogFile, FileMode.OpenOr Create)
Dim myTextListener As New TextWriterTrace Listener(objWri ter) '
<<<<----- create a var you can ref
Debug.Listeners .Add(myTextList ener)
Debug.WriteLine ("Date: " & DateTime.Now)
Debug.Indent()
Debug.WriteLine ("Error: test")
objWriter.Flush ()
objWriter.Close ()
Debug.Listeners .Remove(myTextL istener) ' <<<<---- remove the ref
HTH,
Greg
"Paul" <pa**@nospam.co m> wrote in message
news:%2******** ********@TK2MSF TNGP10.phx.gbl. .. Hello,
The following code generates an exception error the *second* time it is
called.
Can anyone see what I'm doing wrong?
There is a similar example in Wrox Professional VB.NET Page 289.
Error:
An unhandled exception of type 'System.ObjectD isposedExceptio n'
occurred in mscorlib.dll
Additional information: Cannot write to a closed TextWriter.
The error occurs on this line: Debug.WriteLine ("Date: " & DateTime.Now)
Code:
Dim LogFile As String = "C:\LogFile.txt "
Dim objWriter As IO.StreamWriter
objWriter = New IO.StreamWriter (LogFile, FileMode.OpenOr Create)
Debug.Listeners .Add(New TextWriterTrace Listener(objWri ter))
Debug.WriteLine ("Date: " & DateTime.Now)
Debug.Indent()
Debug.WriteLine ("Error: " & Exception.Messa ge)
objWriter.Flush ()
objWriter.Close ()
objWriter = Nothing
Thank you,
Paul
That did it.
Thanks Greg
"Greg Burns" <greg_burns@DON T_SPAM_ME_hotma il.com> wrote in message
news:uR******** ******@TK2MSFTN GP10.phx.gbl... Try:
Dim LogFile As String = "C:\LogFile.txt "
Dim objWriter As IO.StreamWriter
objWriter = New IO.StreamWriter (LogFile, FileMode.OpenOr Create)
Dim myTextListener As New TextWriterTrace Listener(objWri ter) '
<<<<----- create a var you can ref
Debug.Listeners .Add(myTextList ener)
Debug.WriteLine ("Date: " & DateTime.Now)
Debug.Indent()
Debug.WriteLine ("Error: test")
objWriter.Flush ()
objWriter.Close ()
Debug.Listeners .Remove(myTextL istener) ' <<<<---- remove the ref
HTH,
Greg
"Paul" <pa**@nospam.co m> wrote in message
news:%2******** ********@TK2MSF TNGP10.phx.gbl. .. Hello,
The following code generates an exception error the *second* time it is
called.
Can anyone see what I'm doing wrong?
There is a similar example in Wrox Professional VB.NET Page 289.
Error:
An unhandled exception of type 'System.ObjectD isposedExceptio n'
occurred in mscorlib.dll
Additional information: Cannot write to a closed TextWriter.
The error occurs on this line: Debug.WriteLine ("Date: " & DateTime.Now)
Code:
Dim LogFile As String = "C:\LogFile.txt "
Dim objWriter As IO.StreamWriter
objWriter = New IO.StreamWriter (LogFile, FileMode.OpenOr Create)
Debug.Listeners .Add(New TextWriterTrace Listener(objWri ter))
Debug.WriteLine ("Date: " & DateTime.Now)
Debug.Indent()
Debug.WriteLine ("Error: " & Exception.Messa ge)
objWriter.Flush ()
objWriter.Close ()
objWriter = Nothing
Thank you,
Paul
Debug.Listeners .Add(New TextWriterTrace Listener(objWri ter))
So this would create a temporary unamed variable by the framework, which
upon rentering the loop would create it in the same variable name/address
space correct?
At least thats what appears to be happening.
Is this by design?
"Greg Burns" <greg_burns@DON T_SPAM_ME_hotma il.com> wrote in message
news:uR******** ******@TK2MSFTN GP10.phx.gbl... Try:
Dim LogFile As String = "C:\LogFile.txt "
Dim objWriter As IO.StreamWriter
objWriter = New IO.StreamWriter (LogFile, FileMode.OpenOr Create)
Dim myTextListener As New TextWriterTrace Listener(objWri ter) '
<<<<----- create a var you can ref
Debug.Listeners .Add(myTextList ener)
Debug.WriteLine ("Date: " & DateTime.Now)
Debug.Indent()
Debug.WriteLine ("Error: test")
objWriter.Flush ()
objWriter.Close ()
Debug.Listeners .Remove(myTextL istener) ' <<<<---- remove the ref
HTH,
Greg
"Paul" <pa**@nospam.co m> wrote in message
news:%2******** ********@TK2MSF TNGP10.phx.gbl. .. Hello,
The following code generates an exception error the *second* time it is
called.
Can anyone see what I'm doing wrong?
There is a similar example in Wrox Professional VB.NET Page 289.
Error:
An unhandled exception of type 'System.ObjectD isposedExceptio n'
occurred in mscorlib.dll
Additional information: Cannot write to a closed TextWriter.
The error occurs on this line: Debug.WriteLine ("Date: " & DateTime.Now)
Code:
Dim LogFile As String = "C:\LogFile.txt "
Dim objWriter As IO.StreamWriter
objWriter = New IO.StreamWriter (LogFile, FileMode.OpenOr Create)
Debug.Listeners .Add(New TextWriterTrace Listener(objWri ter))
Debug.WriteLine ("Date: " & DateTime.Now)
Debug.Indent()
Debug.WriteLine ("Error: " & Exception.Messa ge)
objWriter.Flush ()
objWriter.Close ()
objWriter = Nothing
Thank you,
Paul
I dunno.
Even if you assigned it to a variable it would still has a problem when you
run the procedure a second time.
I just took a look at my own code and saw it was having the same problem as
Paul's when ran twice (our code is practically verbatim from the help file
on the subject).
I added a Trace.Listeners .Remove(myTextL istener) and the problem went away.
Not sure why.
So much for looking like a code guru... :^)
Greg
"CJ Taylor" <[cege] at [tavayn] dit commmmm> wrote in message
news:%2******** ********@TK2MSF TNGP10.phx.gbl. .. Debug.Listeners .Add(New TextWriterTrace Listener(objWri ter))
So this would create a temporary unamed variable by the framework, which
upon rentering the loop would create it in the same variable name/address
space correct?
At least thats what appears to be happening.
Is this by design?
"Greg Burns" <greg_burns@DON T_SPAM_ME_hotma il.com> wrote in message
news:uR******** ******@TK2MSFTN GP10.phx.gbl... Try:
Dim LogFile As String = "C:\LogFile.txt "
Dim objWriter As IO.StreamWriter
objWriter = New IO.StreamWriter (LogFile, FileMode.OpenOr Create)
Dim myTextListener As New TextWriterTrace Listener(objWri ter) '
<<<<----- create a var you can ref
Debug.Listeners .Add(myTextList ener)
Debug.WriteLine ("Date: " & DateTime.Now)
Debug.Indent()
Debug.WriteLine ("Error: test")
objWriter.Flush ()
objWriter.Close ()
Debug.Listeners .Remove(myTextL istener) ' <<<<---- remove the ref
HTH,
Greg
"Paul" <pa**@nospam.co m> wrote in message
news:%2******** ********@TK2MSF TNGP10.phx.gbl. .. > Hello,
>
> The following code generates an exception error the *second* time it is
> called.
> Can anyone see what I'm doing wrong?
> There is a similar example in Wrox Professional VB.NET Page 289.
>
> Error:
> An unhandled exception of type 'System.ObjectD isposedExceptio n'
> occurred in mscorlib.dll
> Additional information: Cannot write to a closed TextWriter.
>
>
> The error occurs on this line: Debug.WriteLine ("Date: " & DateTime.Now)
> Code:
> Dim LogFile As String = "C:\LogFile.txt "
> Dim objWriter As IO.StreamWriter
> objWriter = New IO.StreamWriter (LogFile, FileMode.OpenOr Create)
> Debug.Listeners .Add(New TextWriterTrace Listener(objWri ter))
> Debug.WriteLine ("Date: " & DateTime.Now)
> Debug.Indent()
> Debug.WriteLine ("Error: " & Exception.Messa ge)
> objWriter.Flush ()
> objWriter.Close ()
> objWriter = Nothing
>
> Thank you,
> Paul
>
>
Wasn't trying to do that... was just curious to know how it worked. =)
Thanks though!
"Greg Burns" <greg_burns@DON T_SPAM_ME_hotma il.com> wrote in message
news:%2******** *********@TK2MS FTNGP11.phx.gbl ... I dunno.
Even if you assigned it to a variable it would still has a problem when
you run the procedure a second time.
I just took a look at my own code and saw it was having the same problem
as Paul's when ran twice (our code is practically verbatim from the help file
on the subject).
I added a Trace.Listeners .Remove(myTextL istener) and the problem went
away.
Not sure why.
So much for looking like a code guru... :^)
Greg
"CJ Taylor" <[cege] at [tavayn] dit commmmm> wrote in message
news:%2******** ********@TK2MSF TNGP10.phx.gbl. .. Debug.Listeners .Add(New TextWriterTrace Listener(objWri ter))
So this would create a temporary unamed variable by the framework, which
upon rentering the loop would create it in the same variable
name/address space correct?
At least thats what appears to be happening.
Is this by design?
"Greg Burns" <greg_burns@DON T_SPAM_ME_hotma il.com> wrote in message
news:uR******** ******@TK2MSFTN GP10.phx.gbl... Try:
Dim LogFile As String = "C:\LogFile.txt "
Dim objWriter As IO.StreamWriter
objWriter = New IO.StreamWriter (LogFile, FileMode.OpenOr Create)
Dim myTextListener As New TextWriterTrace Listener(objWri ter) '
<<<<----- create a var you can ref
Debug.Listeners .Add(myTextList ener)
Debug.WriteLine ("Date: " & DateTime.Now)
Debug.Indent()
Debug.WriteLine ("Error: test")
objWriter.Flush ()
objWriter.Close ()
Debug.Listeners .Remove(myTextL istener) ' <<<<---- remove the
ref
HTH,
Greg
"Paul" <pa**@nospam.co m> wrote in message
news:%2******** ********@TK2MSF TNGP10.phx.gbl. ..
> Hello,
>
> The following code generates an exception error the *second* time it
is > called.
> Can anyone see what I'm doing wrong?
> There is a similar example in Wrox Professional VB.NET Page 289.
>
> Error:
> An unhandled exception of type 'System.ObjectD isposedExceptio n'
> occurred in mscorlib.dll
> Additional information: Cannot write to a closed TextWriter.
>
>
> The error occurs on this line: Debug.WriteLine ("Date: " &
DateTime.Now) > Code:
> Dim LogFile As String = "C:\LogFile.txt "
> Dim objWriter As IO.StreamWriter
> objWriter = New IO.StreamWriter (LogFile, FileMode.OpenOr Create)
> Debug.Listeners .Add(New TextWriterTrace Listener(objWri ter))
> Debug.WriteLine ("Date: " & DateTime.Now)
> Debug.Indent()
> Debug.WriteLine ("Error: " & Exception.Messa ge)
> objWriter.Flush ()
> objWriter.Close ()
> objWriter = Nothing
>
> Thank you,
> Paul
>
>
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