Helper/NotepadHelper.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;

namespace Helper
{
    public class NotepadHelper
    {
        #region [ API: 记事本 ]

        /// <summary>
        /// 传递消息给记事本
        /// </summary>
        /// <param name="hWnd"></param>
        /// <param name="Msg"></param>
        /// <param name="wParam"></param>
        /// <param name="lParam"></param>
        /// <returns></returns>
        [DllImport("User32.DLL")]
        public static extern int SendMessage(IntPtr hWnd, uint Msg, int wParam, string lParam);

        /// <summary>
        /// 查找句柄
        /// </summary>
        /// <param name="hwndParent"></param>
        /// <param name="hwndChildAfter"></param>
        /// <param name="lpszClass"></param>
        /// <param name="lpszWindow"></param>
        /// <returns></returns>
        [DllImport("User32.DLL")]
        public static extern IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, string lpszClass, string lpszWindow);

        /// <summary>
        /// 记事本需要的常量
        /// </summary>
        public const uint WM_SETTEXT = 0x000C;

        #endregion

        public static void NewNotePad(string message)
        {
            #region [ 启动记事本 ]

            System.Diagnostics.Process Proc;

            try
            {
                // 启动记事本
                Proc = new System.Diagnostics.Process();
                Proc.StartInfo.FileName = "notepad.exe";
                Proc.StartInfo.UseShellExecute = false;
                Proc.StartInfo.RedirectStandardInput = true;
                Proc.StartInfo.RedirectStandardOutput = true;

                Proc.Start();
            }
            catch