控制台列出当前所有可用的打印机列表代码,C代码库,德仔网

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【C】控制台列出当前所有可用的打印机列表

作者:步山 / 发布于2014/11/10/ 389


	// The initial C# code for the 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;

	namespace RobvanderWoude
	{
	 public class ListPrinters
	 {
	 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_Printer" );

	 ArrayList printers = new ArrayList( );

	 foreach ( ManagementObject queryObj in searcher.Get( ) )
	 {
	 printers.Add( queryObj["DeviceID"] );
	 }

	 printers.Sort( );

	 foreach ( string printer in printers )
	 {
	 Console.WriteLine( printer );
	 }

	 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 )
	 {
	 /*
	 ListPrinters, Version 1.10
	 List all local printers on the specified computer

	 Usage: LISTPRINTERS [ computername ]

	 Where: 'computername' is the (optional) name of a remote computer
	 (default if not specified: local computer)

	 Written by Rob van der Woude
	 http://www.robvanderwoude.com
	 */

	 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 local printers 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" );
	 Console.Error.WriteLine( "http://www.robvanderwoude.com" );
	 return 1;
	 }
	 }
	}

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