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vb.net - VB: Dynamically create file - then write to file

In VB, I want to dynamically create a new text file in a hard-coded file share, based on the current user logged in.

I have tested the below code, which does indeed create the test file in the specified path, but i want the test.txt file name to be dynamic, im thinking based on the environment.username class?

Dim objwriter As New System.IO.StreamWriter("\serverpath	est.txt")
objwriter.WriteLine("first line")
objwriter.WriteLine("testing")
objwriter.WriteLine("")
objwriter.Close()

Based on what I had obtained rthus far, I may have to define a variable as a string then append it to my StreamWriter write command?

Dim user_name As String = Environment.UserName

Just trying to now put the two together.. any help would be appreciative..

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Thanks hackerman - this did the trick..

Dim objwriter As New System.IO.StreamWriter("\serverpath" + user_name + ".txt")

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