Get Current Username in VB.NET

This code demonstrates how to retrieve the username of the current windows user in VB.NET

   Declare Function GetUserName Lib "advapi32.dll" Alias _
       "GetUserNameA" (ByVal lpBuffer As String, _
       ByRef nSize As Integer) As Integer

   Public Function GetUserName() As String
       Dim iReturn As Integer
       Dim userName As String
       userName = New String(CChar(" "), 50)
       iReturn = GetUserName(userName, 50)
       GetUserName = userName.Substring(0, userName.IndexOf(Chr(0)))
   End Function

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Walter Steed


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