network machine name

  • Thread starter Thread starter Hei
  • Start date Start date
H

Hei

Hi,

is .net framework provide a class that can browse network machine and reutrn
a machine name that is user selected ? i find such function in .net
framework reference for a long
time.

thx.
Hei
 
* "Hei said:
is .net framework provide a class that can browse network machine and reutrn
a machine name that is user selected ? i find such function in .net
framework reference for a long
time.
Click to expand...

Please don't post more than once...
 
sorry.
i think the problem is not describe in detail, so i post again with more
description.
 
Hi,

Not sure if I understand your question but If you are looking to
list the computers in a network here are some links.

If you have an active directory
http://www.vbdotnetheaven.com/Code/May2003/1004.asp

Home network sample console app
Imports System.Runtime.InteropServices

Module Module1

Structure Computer_info_101

Public Platform_ID As Integer

<MarshalAsAttribute(UnmanagedType.LPWStr)> Public Name As String

Public Version_Major As Integer

Public Version_Minor As Integer

Public Type As Integer

<MarshalAsAttribute(UnmanagedType.LPWStr)> Public Comment As String

End Structure

Declare Unicode Function NetServerEnum Lib "Netapi32.dll" _

(ByVal Servername As Integer, ByVal level As Integer, _

ByRef buffer As Integer, ByVal PrefMaxLen As Integer, _

ByRef EntriesRead As Integer, ByRef TotalEntries As Integer, _

ByVal ServerType As Integer, ByVal DomainName As String, _

ByRef ResumeHandle As Integer) As Integer

Declare Function NetApiBufferFree Lib "Netapi32.dll" _

(ByVal lpBuffer As Integer) As Integer

Private Const SV_TYPE_SERVER As Integer = &H2 ' All Servers

Sub Main()

Dim ComputerInfo As Computer_info_101

Dim i, MaxLenPref, level, ret, EntriesRead, TotalEntries, ResumeHandle As
Integer

Dim BufPtr As Integer

Dim iPtr As IntPtr

MaxLenPref = -1

level = 101

ret = NetServerEnum(0, level, BufPtr, MaxLenPref, EntriesRead, TotalEntries,
_

SV_TYPE_SERVER, "MSHOME", ResumeHandle) ' Replace MSHOME with your workgroup
name

If ret <> 0 Then

Console.WriteLine("An Error has occured")

Return

End If



' loop thru the entries

For i = 0 To EntriesRead - 1

' copy the stuff into our structure

Dim ptr As IntPtr = New IntPtr(BufPtr)

computerInfo = CType(Marshal.PtrToStructure(ptr,
GetType(Computer_info_101)), _

Computer_info_101)

BufPtr = BufPtr + Len(ComputerInfo)

Console.WriteLine(computerInfo.Name)

Next

NetApiBufferFree(BufPtr)

Console.Write("Press Enter to End")

Dim s As String = Console.ReadLine()

End Sub





End Module

Ken
 
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