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;

namespace?FocusChangeColor
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?textBox1_Enter（object?sender?EventArgs?e）
????????{
????????????（（TextBox）sender）.BackColor?=?Color.CornflowerBlue;
????????}

????????private?void?textBox1_Leave（object?sender?EventArgs?e）
????????{
????????????（（TextBox）sender）.BackColor?=?Color.White;
????????}

????????private?void?textBox1_KeyDown（object?sender?KeyEventArgs?e）
????????{
????????????if?（e.KeyValue?==?13）
????????????{
????????????????int?n?=?Convert.ToInt32（（（TextBox）sender）.Tag.ToString（））;
????????????????Clear_Control（this.Controls?n?6）;
????????????}
????????}

????????#region??遍歷指定的控件
????????///?

????????/

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-04-24?19:56??焦點變色\
?????目錄???????????0??2012-04-24?19:56??焦點變色\FocusChangeColor\
?????文件?????????938??2009-02-11?13:44??焦點變色\FocusChangeColor.sln
?????文件???????14336??2009-02-11?14:46??焦點變色\FocusChangeColor.suo
?????目錄???????????0??2010-12-12?01:00??焦點變色\FocusChangeColor\bin\
?????目錄???????????0??2012-04-24?19:56??焦點變色\FocusChangeColor\bin\Debug\
?????文件???????11264??2009-02-11?14:45??焦點變色\FocusChangeColor\bin\Debug\FocusChangeColor.exe
?????文件???????24064??2009-02-11?14:45??焦點變色\FocusChangeColor\bin\Debug\FocusChangeColor.pdb
?????文件???????14328??2009-02-11?14:46??焦點變色\FocusChangeColor\bin\Debug\FocusChangeColor.vshost.exe
?????文件?????????490??2007-07-21?01:33??焦點變色\FocusChangeColor\bin\Debug\FocusChangeColor.vshost.exe.manifest
?????文件????????3743??2009-02-11?13:57??焦點變色\FocusChangeColor\FocusChangeColor.csproj
?????文件????????1908??2009-02-11?14:45??焦點變色\FocusChangeColor\Form1.cs
?????文件????????9151??2009-02-11?14:37??焦點變色\FocusChangeColor\Form1.Designer.cs
?????文件????????5814??2009-02-11?14:37??焦點變色\FocusChangeColor\Form1.resx
?????目錄???????????0??2010-12-12?01:00??焦點變色\FocusChangeColor\obj\
?????目錄???????????0??2012-04-24?19:56??焦點變色\FocusChangeColor\obj\Debug\
?????文件????????1123??2009-02-11?14:46??焦點變色\FocusChangeColor\obj\Debug\FocusChangeColor.csproj.FileListAbsolute.txt
?????文件?????????847??2009-02-11?14:37??焦點變色\FocusChangeColor\obj\Debug\FocusChangeColor.csproj.GenerateResource.Cache
?????文件???????11264??2009-02-11?14:45??焦點變色\FocusChangeColor\obj\Debug\FocusChangeColor.exe
?????文件?????????180??2009-02-11?14:37??焦點變色\FocusChangeColor\obj\Debug\FocusChangeColor.Form1.resources
?????文件???????24064??2009-02-11?14:45??焦點變色\FocusChangeColor\obj\Debug\FocusChangeColor.pdb
?????文件?????????180??2009-02-11?13:57??焦點變色\FocusChangeColor\obj\Debug\FocusChangeColor.Properties.Resources.resources
?????目錄???????????0??2009-08-31?11:39??焦點變色\FocusChangeColor\obj\Debug\TempPE\
?????文件?????????497??2009-02-11?13:44??焦點變色\FocusChangeColor\Program.cs
?????目錄???????????0??2012-04-24?19:56??焦點變色\FocusChangeColor\Properties\
?????文件????????1364??2009-02-11?13:44??焦點變色\FocusChangeColor\Properties\AssemblyInfo.cs
?????文件????????2882??2009-02-11?13:44??焦點變色\FocusChangeColor\Properties\Resources.Designer.cs
?????文件????????5612??2009-02-11?13:44??焦點變色\FocusChangeColor\Properties\Resources.resx
?????文件????????1101??2009-02-11?13:44??焦點變色\FocusChangeColor\Properties\Settings.Designer.cs
?????文件?????????249??2009-02-11?13:44??焦點變色\FocusChangeColor\Properties\Settings.settings