c#如何获取系统中物理网络适配器?

发布时间:2019-09-01编辑:脚本学堂
c#如何取得电脑中所有的物理网络适配器?这里分享的这段c#代码,使用System.Management等类库可以取得电脑中所有的网络适配器信息。

c#列出所有物理网络适配器

代码:
 

复制代码 代码示例:
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Management;
using System.Text;
namespace RobvanderWoude
{
 class ListNICs
 {
public static ArrayList nics = new ArrayList( );
public static string computer = string.Empty;
// Use global variables, so we only need to run the WMI queries once
public static string nsrootwmi = computer + "rootWMI";
public static string nsrootcimv2 = computer + "rootCIMV2";
public static ManagementObjectSearcher searcher1 = new ManagementObjectSearcher( nsrootwmi, "SELECT * FROM MSNdis_PhysicalMediumType" );
public static ManagementObjectCollection wmi1 = searcher1.Get( );
public static ManagementObjectSearcher searcher2 = new ManagementObjectSearcher( nsrootcimv2, "SELECT * FROM Win32_NetworkAdapter" );
public static ManagementObjectCollection wmi2 = searcher2.Get( );
public static ManagementObjectSearcher searcher3 = new ManagementObjectSearcher( nsrootwmi, "SELECT * FROM MSNdis_LinkSpeed" );
public static ManagementObjectCollection wmi3 = searcher3.Get( );
static int Main( string[] args )
{
try
{
 bool listBluetooth = true;
 bool listWired = true;
 bool listWireless = true;
 #region Command line parsing
 // Only 2 optional argument allowed: remote computer name and/or adapter type
 if ( args.Length > 2 )
 {
return WriteError( "Invalid command line arguments" );
 }
 if ( args.Length > 0 )
 {
foreach ( string arg in args )
{
// We'll display a 'friendly' message if help was requested
if ( arg.StartsWith( "/" ) || arg.StartsWith( "-" ) )
{
 switch ( arg.ToUpper( ) )
 {
case "/?":
case "-?":
return WriteError( string.Empty );
case "/B":
case "/BLUETOOTH":
if ( ( listBluetooth && listWired && listWireless ) == false )
{
 return WriteError( "Select a single adapter type only, or omit type to select all" );
}
listWired = false;
listWireless = false;
break;
case "/W":
case "/WIRED":
if ( ( listBluetooth && listWired && listWireless ) == false )
{
 return WriteError( "Select a single adapter type only, or omit type to select all" );
}
listBluetooth = false;
listWireless = false;
break;
case "/WL":
case "/wifi":
case "/WIRELESS":
if ( ( listBluetooth && listWired && listWireless ) == false )
{
 return WriteError( "Select a single adapter type only, or omit type to select all" );
}
listBluetooth = false;
listWired = false;
break;
default:
return WriteError( "Invalid command line argument" );
 }
}
else
{
 if ( !string.IsNullOrEmpty( computer ) )
 {
return WriteError( "Do not specify more than one computer name" );
 }
 computer = "\" + arg + "";
}
}
 }
 #endregion Command line parsing
 foreach ( ManagementObject queryObj1 in wmi1 )
 {
if ( queryObj1["NdisPhysicalMediumType"].ToString( ) == "10" )
{
if ( listBluetooth )
{
 AddAdapter( queryObj1["InstanceName"].ToString( ), "Bluetooth" );
}
}
if ( queryObj1["NdisPhysicalMediumType"].ToString( ) == "0" )
{
if ( listWired )
{
 AddAdapter( queryObj1["InstanceName"].ToString( ), "Wired" );
}
}
if ( queryObj1["NdisPhysicalMediumType"].ToString( ) == "1" )
{
if ( listWireless )
{
 AddAdapter( queryObj1["InstanceName"].ToString( ), "Wireless" );
}
}
 }
 nics.Sort( );
 foreach ( string nic in nics )
 {
Console.WriteLine( nic );
 }
 return 0;
}
catch ( Exception e )
{
 return WriteError( e );
}
}
public static void AddAdapter( string name, string type )
{
foreach ( ManagementObject queryObj2 in wmi2 )
{
 if ( ( queryObj2["Name"].ToString( ) == name ) && Convert.ToBoolean( queryObj2["PhysicalAdapter"] ) )
 {
foreach ( ManagementObject queryObj3 in wmi3 )
{
if ( queryObj3["InstanceName"].ToString( ) == name )
{
 nics.Add( String.Format( "{0,6}", Convert.ToInt32( queryObj3["NdisLinkSpeed"] ) / 10000 ) + " Mb/st" + String.Format( "{0,-11}", "[" + type + "]" ) + "t" + name );
}
}
 }
}
}
#region Error handling
public static int WriteError( Exception e )
{
return WriteError( e == null ? null : e.Message );
}
public static int WriteError( string errorMessage )
{
if ( string.IsNullOrEmpty( errorMessage ) == false )
{
 Console.Error.WriteLine( );
 Console.ForegroundColor = ConsoleColor.Red;
 Console.Error.Write( "ERROR: " );
 Console.ForegroundColor = ConsoleColor.White;
 Console.Error.WriteLine( errorMessage );
 Console.ResetColor( );
}
Console.Error.WriteLine( );
Console.Error.WriteLine( "ListNICs, Version 1.00" );
Console.Error.WriteLine( "List physical network adapters on the specified computer" );
Console.Error.WriteLine( );
Console.Error.Write( "Usage: " );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( "LISTNICS" );
Console.ResetColor( );
Console.Error.Write( " [ computername ] [ " );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( "/B" );
Console.ResetColor( );
Console.Error.Write( "luetooth | " );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( "/W" );
Console.ResetColor( );
Console.Error.Write( "ired | " );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( "/W" );
Console.ResetColor( );
Console.Error.Write( "ire" );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( "L" );
Console.ResetColor( );
Console.Error.WriteLine( "ess ]" );
Console.Error.WriteLine( );
Console.Error.WriteLine( "Where: "computername" is a remote computer name (default: this computer)" );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( "/B" );
Console.ResetColor( );
Console.Error.Write( "luetooth or " );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( "/B" );
Console.ResetColor( );
Console.Error.WriteLine( " list Bluetooth adapters only (default: all)" );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( "/W" );
Console.ResetColor( );
Console.Error.Write( "iredor " );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( "/W" );
Console.ResetColor( );
Console.Error.WriteLine( " list wired adapters only(default: all)" );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( "/W" );
Console.ResetColor( );
Console.Error.Write( "ire" );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( "L" );
Console.ResetColor( );
Console.Error.Write( "ess or " );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( "/WL" );
Console.ResetColor( );
Console.Error.WriteLine( " list wireless adapters only (default: all)" );
Console.Error.WriteLine( );
Console.Error.WriteLine( "Written by Rob van der Woude" );
return 1;
}
#endregion Error handling
 }
}