Private Declare Function NetGetDCName Lib "netapi32.dll" (strServerName As Any, _    strDomainName As Any, pBuffer As Long) As LongPrivate Declare Function NetApiBufferFree Lib "netapi32.dll" (buffer As Any) As _    LongPrivate Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (dest As _    Any, source As Any, ByVal bytes As Long)' Return the name of the Primary Domain Controller (PDC)'' server names are preceded by a double slashFunction GetPDCName() As String    Dim lpBuffer As Long    Dim buffer As String        If NetGetDCName(vbNullString, vbNullString, lpBuffer) = 0 Then        ' a zero return value means success        buffer = Space$(128)        ' copy into local buffer        CopyMemory ByVal StrPtr(buffer), ByVal lpBuffer, LenB(buffer)        ' trim excess chars        GetPDCName = Left$(buffer, InStr(buffer & vbNullChar, vbNullChar) - 1)        ' release memory        NetApiBufferFree lpBuffer    End IfEnd Function