Private Declare Function WNetGetUser Lib "mpr.dll" Alias "WNetGetUserA" (ByVal lpName As String, ByVal lpUserName As String, lpnLength As Long) As Long
Private Const NO_ERROR = 0
Private Const ERROR_NOT_CONNECTED = 2250&
Private Const ERROR_MORE_DATA = 234
Private Const ERROR_NO_NETWORK = 1222&
Private Const ERROR_EXTENDED_ERROR = 1208&
Private Const ERROR_NO_NET_OR_BAD_PATH = 1203&
Function WinUsername() As String
Dim strBuf As String, lngUser As Long, strUn As String
strBuf = Space$(255)
lngUser = WNetGetUser("", strBuf, 255)
If lngUser = NO_ERROR Then
strUn = Left(strBuf, InStr(strBuf, vbNullChar) - 1)
WinUsername = strUn
Else
WinUsername = "Error :" & lngUser
End If
End Function
Sub CheckUserRights()
Dim UserName As String
UserName = WinUsername
Select Case UserName
Case "Administrator"
MsgBox "Full Rights"
Case "Guest"
MsgBox "You cannot make changes"
Case Else
MsgBox "Limited Rights"
End Select
End Sub