C#返回当前系统所有可用驱动器符号的方法_Python

C#返回当前系统所有可用驱动器符号的方法

2020-06-09 09:45work24 Python

这篇文章主要介绍了C#返回当前系统所有可用驱动器符号的方法,涉及C#操作系统硬件驱动的相关技巧,需要的朋友可以参考下

本文实例讲述了C#返回当前系统所有可用驱动器符号的方法。分享给大家供大家参考。具体如下：

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									// The initial C# code for the "plain" WMI query was generated by

									// WMI Code Generator, Version 5.00, //http://www.robvanderwoude.com/wmigen.php

									using System;

									using System.Management;

									using System.Collections.Generic;

									namespace RobvanderWoude

									{

									 public class ListDrives

									 {

									  public static int Main( string[] args )

									  {

									   try

									   {

									    string computer = string.Empty;

									    #region Command line parsing

									    // Only 1 optional argument allowed: a remote computer name

									    if ( args.Length > 1 )

									    {

									     throw new Exception( "Invalid command line arguments" );

									    }

									    if ( args.Length == 1 )

									    {

									     // We'll display a 'friendly' message if help was requested

									     if ( args[0].StartsWith( "/" ) || args[0].StartsWith( "-" ) )

									     {

									      switch ( args[0].ToUpper( ) )

									      {

									       case "/?":

									       case "-?":

									       case "/H":

									       case "-H":

									       case "--H":

									       case "/HELP":

									       case "-HELP":

									       case "--HELP":

									        return WriteError( string.Empty );

									       default:

									        return WriteError( "Invalid command line argument" );

									      }

									     }

									     else

									     {

									      computer = "\\\\" + args[0] + "\\";

									     }

									    }

									    #endregion

									    string wmins = computer + "root\\CIMV2";

									    ManagementObjectSearcher searcher = new ManagementObjectSearcher( wmins, "SELECT * FROM Win32_LogicalDisk" );

									    List<string> drives = new List<string>( );

									    foreach ( ManagementObject queryObj in searcher.Get( ) )

									    {

									     drives.Add( queryObj["DeviceID"].ToString( ) );

									    }

									    drives.Sort( );

									    string drivelist = "";

									    foreach ( string drive in drives )

									    {

									     drivelist += ( drive + " " );

									    }

									    Console.WriteLine( drivelist.Trim( ) );

									    return 0;

									   }

									   catch ( Exception e )

									   {

									    return WriteError( e );

									   }

									  }

									  public static int WriteError( Exception e )

									  {

									   return WriteError( e == null ? null : e.Message );

									  }

									  public static int WriteError( string errorMessage )

									  { 

									   string fullpath = Environment.GetCommandLineArgs( ).GetValue( 0 ).ToString( );

									   string[] program = fullpath.Split( '\\' );

									   string exename = program[program.GetUpperBound( 0 )];

									   exename = exename.Substring( 0, exename.IndexOf( '.' ) );

									   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( exename + ", Version 1.10" );

									   Console.Error.WriteLine( "List all drive letters in use on the specified computer" );

									   Console.Error.WriteLine( );

									   Console.Error.Write( "Usage: " );

									   Console.ForegroundColor = ConsoleColor.White;

									   Console.Error.Write( exename.ToUpper( ) );

									   Console.Error.WriteLine( " [ computername ]" );

									   Console.ResetColor( );

									   Console.Error.WriteLine( );

									   Console.Error.WriteLine( "Where: 'computername' is the (optional) name of a remote computer" );

									   Console.Error.WriteLine( " (default if not specified: local computer)" );

									   Console.Error.WriteLine( );

									   Console.Error.WriteLine( "Written by Rob van der Woude" );

									   return 1;

									  }

									 }

									}