using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;

namespace WindowsFormsApplication1
{
         public partial class Form1 : Form
      {
            
          [DllImport("user32.dll")]
          public static extern void keybd_event(Keys bVd, byte bScan, UInt32 dwFlags, IntPtr dwExtraInfo);
               
          public const UInt32 KEYEVENTF_EXTENDEDKEY = 0;
          public const UInt32 KEYEVENTF_KEYUP = 2;
           
          public Form1()
          {
              timer.Enabled = true;
              timer.Interval = 10;
              timer.Start();
              InitializeComponent();
          }
          void timer_Tick(object sender, EventArgs e)
          {
              ++index;
                
          }
          private void Form1_Load(object sender, EventArgs e)
          {

          }
      }
      private void FirstA()
      {
          keybd_event(Keys.A, 0x41, KEYEVENTF_EXTENDEDKEY | 0, (IntPtr)0);
          timer2.Enabled = true;

      }
      private void KeyOne()
      {
          keybd_event(Keys.S, 0x53, KEYEVENTF_EXTENDEDKEY | 0, (IntPtr)0);
          timer2.Enabled = true;

      }
      private void button1_Click(object sender, EventArgs e)
      {
      }

      private void timer1_Tick(object sender, EventArgs e)
      {
          FirstA();
      }
      private void KeyTwo()
      {
          keybd_event(Keys.D, 0x44, KEYEVENTF_EXTENDEDKEY | 0, (IntPtr)0);
          timer3.Enabled = true;

      }
      private void timer2_Tick(object sender, EventArgs e)
      {
          KeyTwo();
      }

      private void timer3_Tick(object sender, EventArgs e)
      {
          FirstA();
      }
          }
      }