when you create a file, you can create it and append to it in 1 instance, you dont have to create a file, close it, then re open it for editing.
So you would do something like
Code:
Dim fStream As New FileStream("mytxt.txt", FileMode.OpenOrCreate)
Dim tStream As New StreamWriter(fStream)
' Do what ever writing you need to, or what ever reading you need
tStream.Flush()
fStream.Flush()
tStream.Dispose()
fStream.Dispose()