我要评论本文实例讲述了c#列出所有物理网络适配器的方法。分享给大家供大家参考。具体如下：
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 + "root\\wmi";
public static string nsrootcimv2 = computer + "root\\cimv2";
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/s\t" + 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( "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
}
}
希望本文所述对大家的c#程序设计有所帮助。
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