Below you'll find the source for the Visual Basic 6 function GetComputerName.
Attribute VB_Name = "modGetComputerName"
' This function is downloaded from:
' http://www.stefanthoolen.nl/archive/vb6-functions/
'
' You may freely distribute this file but please leave all comments, including this one, in it.
'
' @Author Stefan Thoolen <mail@stefanthoolen.nl>
Private Declare Function GetComputerNameA Lib "kernel32" (ByVal sBuffer As String, lSize As Long) As Long
Private Const MAX_COMPUTERNAME_LENGTH As Long = 31
''
' Gets the computer network name
' @return String The computername
' @author Stefan Thoolen <mail@stefanthoolen.nl>
Public Function GetComputerName() As String
Dim strString As String ' Creates a buffer
strString = String(MAX_COMPUTERNAME_LENGTH + 1, Chr$(0)) ' Fills the buffer to the max size
GetComputerNameA strString, MAX_COMPUTERNAME_LENGTH + 1 ' Requests the computername
GetComputerName = Left$(strString, InStr(1, strString, Chr$(0)) - 1) ' Returns the value without additional zero chars
End Function