VS2012 .NET 4.5 - StreamWriter produces Garbage

[circuits2]

I very rarely write to text files, but have encountered a situation where I cannot avoid it. I am using a StreamWriter to write lines of text to a text file. Here is a sample of what I have:

Dim WriteThisInfo As String = "12345678901234567890"
 
Using myStream As StreamWriter = New StreamWriter("Sample.txt")
 
     myStream.WriteLine(WriteThisInfo)
 
End Using

When I open the text file, this is what I see:

†††〲㌱㘰㈰㘱㠱〲〲㌱㘰㈰㘱㠱ㄴ‰††‰††‰††‰††‰††‰††‰††‰††‰� �†‰††‰††‰††‰††‰††‰††‰††‰††‰††‰


Any ideas?