把写代码过程中常用的一些代码片段备份一次，下面代码是关于C#列出所有物理网络适配器的代码，应该对大家有用。
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;
public static string nsrootwmi = computer + "root\WMI";
public static string nsrootcimv2 = computer + "root\CIMV2";
public static ManagementObjectCollection wmi1 = searcher1.Get( );
public static ManagementObjectCollection wmi2 = searcher2.Get( );
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
if ( args.Length > 2 )
{
return WriteError( "Invalid command line arguments" );
}
if ( args.Length > 0 )
{
foreach ( string arg in args )
{
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 )
{
ListNICs, Version 1.00
List physical network adapters on the specified computer
Usage: LISTNICS [ computername ] [ /Bluetooth | /Wired | /WireLess ]
Where: "computername" is a remote computer name (default: this computer)
/Bluetooth or /B list Bluetooth adapters only (default: all)
/Wired or /W list wired adapters only (default: all)
/Wireless or /WL list wireless adapters only (default: all)
Written by Rob van der Woude
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( "ired or " );
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
}
}
