C# 将回车键转为Tab键

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

namespace EnterToTab
{
    public partial class Frm_Main : Form
    {
        public Frm_Main（）
        {
            InitializeComponent（）;
        }

        private void textBox1_KeyDown（object sender KeyEventArgs e）
        {
            if （e.KeyValue ==13）//如果键值为13
            {
                SendKeys.Send（“{TAB}“）;//发送tab命令
            }
        }
        private void textBox2_KeyDown（object sender KeyEventArgs e）
        {
            if （e.KeyValue == 13）//如果键值为13
            {
                SendKeys.Send（“{TAB}“）;//发送tab命令
            }
        }
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       9216  2016-12-22 03:30  EnterToTab\EnterToTab\bin\Debug\EnterToTab.exe

     文件      28160  2016-12-22 03:30  EnterToTab\EnterToTab\bin\Debug\EnterToTab.pdb

     文件      14328  2016-12-22 03:30  EnterToTab\EnterToTab\bin\Debug\EnterToTab.vshost.exe

     文件        490  2016-12-22 03:30  EnterToTab\EnterToTab\bin\Debug\EnterToTab.vshost.exe.manifest

     文件       3989  2016-12-21 17:48  EnterToTab\EnterToTab\EnterToTab.csproj

     文件        813  2016-12-21 17:48  EnterToTab\EnterToTab\Frm_Main.cs

     文件       4259  2016-12-21 17:48  EnterToTab\EnterToTab\Frm_Main.designer.cs

     文件       5814  2016-12-21 17:48  EnterToTab\EnterToTab\Frm_Main.resx

     文件       7014  2016-12-22 03:30  EnterToTab\EnterToTab\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件       1917  2016-12-22 03:30  EnterToTab\EnterToTab\obj\Debug\EnterToTab.csproj.FileListAbsolute.txt

     文件        850  2016-12-22 03:30  EnterToTab\EnterToTab\obj\Debug\EnterToTab.csproj.GenerateResource.Cache

     文件       9216  2016-12-22 03:30  EnterToTab\EnterToTab\obj\Debug\EnterToTab.exe

     文件        180  2016-12-22 03:30  EnterToTab\EnterToTab\obj\Debug\EnterToTab.Frm_Main.resources

     文件      28160  2016-12-22 03:30  EnterToTab\EnterToTab\obj\Debug\EnterToTab.pdb

     文件        180  2016-12-22 03:30  EnterToTab\EnterToTab\obj\Debug\EnterToTab.Properties.Resources.resources

     文件       4608  2016-12-22 04:17  EnterToTab\EnterToTab\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll

     文件        494  2016-12-21 17:48  EnterToTab\EnterToTab\Program.cs

     文件       1352  2016-12-21 21:16  EnterToTab\EnterToTab\Properties\AssemblyInfo.cs

     文件       2860  2016-12-21 21:16  EnterToTab\EnterToTab\Properties\Resources.Designer.cs

     文件       5612  2016-12-21 21:16  EnterToTab\EnterToTab\Properties\Resources.resx

     文件       1110  2016-12-21 21:16  EnterToTab\EnterToTab\Properties\Settings.Designer.cs

     文件        249  2016-12-21 21:16  EnterToTab\EnterToTab\Properties\Settings.settings

     文件        920  2016-12-21 16:09  EnterToTab\EnterToTab.sln

     目录          0  2016-12-22 04:17  EnterToTab\EnterToTab\obj\Debug\Refactor

     目录          0  2016-12-22 04:17  EnterToTab\EnterToTab\obj\Debug\TempPE

     目录          0  2016-12-22 03:30  EnterToTab\EnterToTab\bin\Debug

     目录          0  2016-12-22 03:30  EnterToTab\EnterToTab\bin\Release

     目录          0  2016-12-22 04:17  EnterToTab\EnterToTab\obj\Debug

     目录          0  2016-12-22 03:30  EnterToTab\EnterToTab\bin

     目录          0  2016-12-22 03:30  EnterToTab\EnterToTab\obj

............此处省略6个文件信息