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

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

????????private?void?textBox1_KeyDown（object?sender?KeyEventArgs?e）
????????{
????????????if?（（e.Control?==?true）?&&?（e.KeyCode?==?Keys.A））//判斷是否按下了Ctrl+A組合鍵
????????????{
????????????????MessageBox.Show（“您按下組合鍵Ctrl+A“）;
????????????}
????????}
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????8704??2016-12-22?03:31??GetGroupKey\GetGroupKey\bin\Debug\GetGroupKey.exe

?????文件??????28160??2016-12-22?03:31??GetGroupKey\GetGroupKey\bin\Debug\GetGroupKey.pdb

?????文件??????14328??2016-12-22?03:31??GetGroupKey\GetGroupKey\bin\Debug\GetGroupKey.vshost.exe

?????文件????????490??2016-12-22?03:31??GetGroupKey\GetGroupKey\bin\Debug\GetGroupKey.vshost.exe.manifest

?????文件????????632??2016-12-21?17:48??GetGroupKey\GetGroupKey\Frm_Main.cs

?????文件???????2655??2016-12-21?17:48??GetGroupKey\GetGroupKey\Frm_Main.designer.cs

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

?????文件???????3991??2016-12-21?17:48??GetGroupKey\GetGroupKey\GetGroupKey.csproj

?????文件???????7020??2016-12-22?03:31??GetGroupKey\GetGroupKey\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件???????1961??2016-12-22?03:31??GetGroupKey\GetGroupKey\obj\Debug\GetGroupKey.csproj.FileListAbsolute.txt

?????文件????????850??2016-12-22?03:31??GetGroupKey\GetGroupKey\obj\Debug\GetGroupKey.csproj.GenerateResource.Cache

?????文件???????8704??2016-12-22?03:31??GetGroupKey\GetGroupKey\obj\Debug\GetGroupKey.exe

?????文件????????180??2016-12-22?03:31??GetGroupKey\GetGroupKey\obj\Debug\GetGroupKey.Frm_Main.resources

?????文件??????28160??2016-12-22?03:31??GetGroupKey\GetGroupKey\obj\Debug\GetGroupKey.pdb

?????文件????????180??2016-12-22?03:31??GetGroupKey\GetGroupKey\obj\Debug\GetGroupKey.Properties.Resources.resources

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

?????文件????????495??2016-12-21?17:48??GetGroupKey\GetGroupKey\Program.cs

?????文件???????1354??2016-12-21?21:16??GetGroupKey\GetGroupKey\Properties\AssemblyInfo.cs

?????文件???????2862??2016-12-21?21:16??GetGroupKey\GetGroupKey\Properties\Resources.Designer.cs

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

?????文件???????1111??2016-12-21?21:16??GetGroupKey\GetGroupKey\Properties\Settings.Designer.cs

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

?????文件????????923??2016-12-21?16:09??GetGroupKey\GetGroupKey.sln

?????目錄??????????0??2016-12-22?04:17??GetGroupKey\GetGroupKey\obj\Debug\Refactor

?????目錄??????????0??2016-12-22?04:17??GetGroupKey\GetGroupKey\obj\Debug\TempPE

?????目錄??????????0??2016-12-22?03:31??GetGroupKey\GetGroupKey\bin\Debug

?????目錄??????????0??2016-12-22?03:31??GetGroupKey\GetGroupKey\bin\Release

?????目錄??????????0??2016-12-22?04:17??GetGroupKey\GetGroupKey\obj\Debug

?????目錄??????????0??2016-12-22?03:31??GetGroupKey\GetGroupKey\bin

?????目錄??????????0??2016-12-22?03:31??GetGroupKey\GetGroupKey\obj

............此處省略6個文件信息