IIDX_SCR_FOR_LR2.cs

using SharpDX.DirectInput;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Runtime.InteropServices;
using System.Windows.Forms;

namespace IIDX_SCR_FOR_LR2
{
	class Program
	{
		static void Main(string[] args)
		{
			DirectInput directInput;

			Joystick device;

			directInput = new DirectInput();

			//接続されているキーボードを探す
			Guid keyboardGuid = Guid.Empty;

			foreach (var g in directInput.GetDevices(DeviceType.Joystick, DeviceEnumerationFlags.AllDevices))
			{
				if (g.ProductGuid.ToString() == "80481ccf-0000-0000-0000-504944564944")
				{
					keyboardGuid = g.InstanceGuid;
					break;
				}
			}

			//キーボードが見つからない時は終了する
			if (keyboardGuid == Guid.Empty)
			{
				Console.WriteLine("キーボードが見つかりません。終了します。");
				System.Threading.Thread.Sleep(5000);
				return;
			}

			//デバイスを初期化
			device = new Joystick(directInput, keyboardGuid);

			//キー入力の検知開始
			device.Acquire();

			int x = device.GetCurrentState().X;

			ulong counter = 1;

			bool isActive = false;

			bool isRight = false;

			//ここから入力の検知を開始
			while (true)
			{
				//現在の入力状況を取得する
				var state = device.GetCurrentState();
				int stateX = state.X;
                		if (x != stateX)
				{
					//Console.WriteLine(System.DateTime.Now.ToString() + ":「" + state.X + "」");

					bool nowRight = false;
					if(x < stateX)
					{
						nowRight = true;
						if ((stateX - x) > (65535 - stateX + x))
						{
							nowRight = false;
						}
					}
					else if(x > stateX)
					{
						nowRight = false;
						if ((x - stateX) > ((stateX + 65535) - x))
						{
							nowRight = true;
						}
					}


					if(isActive && !(isRight == nowRight))
					{
						// 方向が切り替わった

						if (isRight)
						{
							keybd_event(LEFT_SHIFT, 0, 2u, (UIntPtr)0uL);
							keybd_event(LEFT_CTRL, 0, 0u, (UIntPtr)0uL);

							Console.WriteLine("Left start");
						}
						else
						{
							keybd_event(LEFT_CTRL, 0, 2u, (UIntPtr)0uL);
							keybd_event(LEFT_SHIFT, 0, 0u, (UIntPtr)0uL);

							Console.WriteLine("Right start");
						}

						

						isRight = nowRight;

						Console.WriteLine("Change!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1");

					}
					else if (!isActive)
					{
						// 回しはじめ

						if (nowRight)
						{
							keybd_event(LEFT_SHIFT, 0, 0u, (UIntPtr)0uL);
							Console.WriteLine("Right start");
						}
						else
						{
							keybd_event(LEFT_CTRL, 0, 0u, (UIntPtr)0uL);
							Console.WriteLine("Left start");
						}

						isActive = true;

						isRight = nowRight;

					}

					counter = 0;
					x = stateX;
				}

				if(counter > 500000 && isActive)
				{
					if (isRight)
					{
						keybd_event(LEFT_SHIFT, 0, 2u, (UIntPtr)0uL);
					}
					else
					{
						keybd_event(LEFT_CTRL, 0, 2u, (UIntPtr)0uL);
					}

					isActive = false;
					counter = 0;
				}

				if (counter == ulong.MaxValue)
				{
					counter = 0;
				}

				counter++;
			}
		}

		[DllImport("user32.dll")]
		public static extern uint keybd_event(byte bVk, byte bScan, uint dwFlags, UIntPtr dwExtraInfo);

		private static byte LEFT_SHIFT = 0xA0;
		private static byte LEFT_CTRL = 0xA2;

	}
}