nos podemos apoyar de la API
, prueba de ésta forma:
Cita: 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
Salu2