C#从windows剪贴板获取并显示文本内容

C#从windows剪贴板获取并显示文本内容

using System;
using System.Windows.Forms;
namespace RobvanderWoude
{
	class Paste
	{
		[STAThread]
		static int Main( string[] args )
		{
			if ( args.Length == 0 )
			{
				try
				{
					if ( Clipboard.ContainsText( ) )
					{
						string clipText = Clipboard.GetText( );
						Console.Write( clipText );
						return 0;
					}
					else
					{
						return 1;
					}
				}
				catch ( Exception e )
				{
					Console.Error.WriteLine( e.Message );
					return 2;
				}
			}
			else
			{
				Console.Error.WriteLine( );
				Console.Error.WriteLine( "Paste.exe,  Version 1.01" );
				Console.Error.WriteLine( "Read and display text from the clipboard" );
				Console.Error.WriteLine( );
				Console.Error.WriteLine( "Usage:  PASTE" );
				Console.Error.WriteLine( );
				Console.Error.WriteLine( "Note:   The program returns the following 'errorlevels':" );
				Console.Error.WriteLine( "            0    success" );
				Console.Error.WriteLine( "            1    no text available in clipboard" );
				Console.Error.WriteLine( "            2    command line or unknown error" );
				Console.Error.WriteLine( );
				Console.Error.WriteLine( "Written by Rob van der Woude" );
				Console.Error.WriteLine( "http://www.robvanderwoude.com" );
				return 2;
			}
		}
	}
}