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1. àÃÔèÁ Microsoft Visual Studio
2. ÊÃéÒ§â¤Ã§¡Òà Visual c# ¤Í¹â«Åá;¾ÅÔपѹãËÁè
3. ÇÒ§µèÍ仹Õé¡ÒÃãªé¤ÓÊÑ觷Õè´éÒ¹º¹¢Í§¤ÅÒàÃÔèÁµé¹:

      using nsClearConsole;
   					

4. ÇÒ§ÃËÑʵèÍ仹Õé㹡ÒÃËÅÑ¡¢Ñ鹵͹¢Í§á;ÅÔपѹ¤Í¹â«Å:

   static void Main(string[] args)
   {
      ClearConsole ClearMyConsole = new ClearConsole();
      Console.WriteLine("THIS IS FIRST LINE");  // Some text
      Console.WriteLine("THIS IS SECOND LINE"); // Some text 
      Console.WriteLine("THIS IS THIRD LINE");  // Some text
      Console.WriteLine("THIS IS FOURTH LINE"); // Some text  
      Console.WriteLine("THIS IS FIFTH LINE");  // Some text
      Console.WriteLine("Hit Enter to Clear");  // Some text
      Console.ReadLine();  // Wait for user input
      ClearMyConsole.Clear(); // Clear the screen
      Console.WriteLine("THE CONSOLE WAS CLEARED");  // Some text to clear console
      Console.WriteLine("Hit Enter to Terminate");  //Some text
      Console.ReadLine();  // Wait for user input
   }
   					

5. 㹡ÒÃProjectàÁ¹Ù ¤ÅÔ¡à¾ÔèÁÃдѺªÑé¹.
6. 㹡ÒÃà¾ÔèÁÃÒ¡ÒÃãËÁè¡ÅèͧâµéµÍº àÅ×Í¡¤ÅÒÊáÅéÇ ¤ÅÔ¡add.
7. á·¹·Ñé§ËÁ´¢Í§ÃËÑÊ·ÕèÁÕÍÂÙè㹤ÅÒãËÁè ´éÇÂÃËÑʵèÍ仹Õé:

      using System;
      using System.Runtime.InteropServices;
   
      namespace nsClearConsole
      {
         /// <summary>
         /// Summary description for ClearConsole.
         /// </summary><BR/>
         public class ClearConsole
         {		
            private const int STD_OUTPUT_HANDLE  = -11;
   	 private const byte EMPTY = 32;
   
            [StructLayout(LayoutKind.Sequential)]
            struct COORD
            {
               public short x;
               public short y;
            }
   
            [StructLayout(LayoutKind.Sequential)]
            struct SMALL_RECT
            {
               public short Left;
               public short Top;
               public short Right;
               public short Bottom;
            }
   		
            [StructLayout(LayoutKind.Sequential)]
            struct	CONSOLE_SCREEN_BUFFER_INFO
            {
               public COORD dwSize;
               public COORD dwCursorPosition;
               public int wAttributes;
               public SMALL_RECT srWindow;
               public COORD dwMaximumWindowSize;
            }
   
            [DllImport("kernel32.dll", EntryPoint="GetStdHandle", SetLastError=true, CharSet=CharSet.Auto, CallingConvention=CallingConvention.StdCall)]
            private static extern int GetStdHandle(int nStdHandle);
   
            [DllImport("kernel32.dll", EntryPoint="FillConsoleOutputCharacter", SetLastError=true, CharSet=CharSet.Auto, CallingConvention=CallingConvention.StdCall)]
            private static extern int FillConsoleOutputCharacter(int hConsoleOutput, byte cCharacter, int nLength, COORD dwWriteCoord, ref int lpNumberOfCharsWritten);
   
            [DllImport("kernel32.dll", EntryPoint="GetConsoleScreenBufferInfo", SetLastError=true, CharSet=CharSet.Auto, CallingConvention=CallingConvention.StdCall)]
            private static extern int GetConsoleScreenBufferInfo(int hConsoleOutput, ref CONSOLE_SCREEN_BUFFER_INFO lpConsoleScreenBufferInfo);
   
            [DllImport("kernel32.dll", EntryPoint="SetConsoleCursorPosition", SetLastError=true, CharSet=CharSet.Auto, CallingConvention=CallingConvention.StdCall)]
            private static extern int SetConsoleCursorPosition(int hConsoleOutput, COORD dwCursorPosition);
   
            private int hConsoleHandle;
   
            public ClearConsole()
            {
               // 
               // TODO: Add constructor logic here.
               // 
               hConsoleHandle = GetStdHandle(STD_OUTPUT_HANDLE);
            }
   
            public void Clear()
            {
               int hWrittenChars = 0;
               CONSOLE_SCREEN_BUFFER_INFO strConsoleInfo = new CONSOLE_SCREEN_BUFFER_INFO();			
               COORD Home;		
               Home.x = Home.y = 0;
               GetConsoleScreenBufferInfo(hConsoleHandle, ref strConsoleInfo);
               FillConsoleOutputCharacter(hConsoleHandle, EMPTY, strConsoleInfo.dwSize.x * strConsoleInfo.dwSize.y, Home, ref hWrittenChars);
               SetConsoleCursorPosition(hConsoleHandle, Home);
            }
         }
      }
   
   					

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