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


using?Microsoft.Win32;
namespace?Ex08_13
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}
????????
????????private?void?button1_Click（object?sender?EventArgs?e）
????????{

????????????????Int32?tLong?=?（Int32）Registry.GetValue（“HKEY_LOCAL_MACHINE\\SOFTWARE\\angel“?“UserTimes“?0）;
????????????????if?（tLong?????????????????{
????????????????????int?Times?=?tLong?+?1;
????????????????????Registry.SetValue（“HKEY_LOCAL_MACHINE\\SOFTWARE\\angel“?“UserTimes“?Times）;
????????????????}
????????????????else
????????????????{
????????????????????MessageBox.Show（“試用期已到“）;
????????????????????Application.Exit（）;
????????????????}
??????????
????????}

????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{
????????????try
????????????{
????????????????Int32?tLong?=?（Int32）Registry.GetValue（“HKEY_LOCAL_MACHINE\\SOFTWARE\\angel“?“UserTimes“?0）;
????????????????label3.Text?=?“感謝您已使用了“?+?tLong?+?“次“;
????????????}
????????????catch
????????????{
????????????????Registry.SetValue（“HKEY_LOCAL_MACHINE\\SOFTWARE\\angel“?“UserTimes“?0?RegistryValueKind.DWord）;
????????????????label3.Text?=?“歡迎新用戶使用本軟件“;
????????????}
????????}
????}
}

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

?????目錄??????????0??2007-12-15?14:39??Ex08_13

?????目錄??????????0??2007-12-15?14:39??Ex08_13\Ex08_13

?????目錄??????????0??2007-12-15?14:39??Ex08_13\Ex08_13\Ex08_13

?????目錄??????????0??2007-12-15?14:39??Ex08_13\Ex08_13\Ex08_13\bin

?????目錄??????????0??2007-12-15?14:39??Ex08_13\Ex08_13\Ex08_13\bin\Debug

?????文件??????20480??2007-07-11?11:27??Ex08_13\Ex08_13\Ex08_13\bin\Debug\Ex08_13.exe

?????文件??????22016??2007-07-11?11:27??Ex08_13\Ex08_13\Ex08_13\bin\Debug\Ex08_13.pdb

?????文件???????5632??2007-07-11?11:27??Ex08_13\Ex08_13\Ex08_13\bin\Debug\Ex08_13.vshost.exe

?????文件???????3221??2007-07-11?11:27??Ex08_13\Ex08_13\Ex08_13\Ex08_13.csproj

?????文件???????1505??2007-07-11?11:27??Ex08_13\Ex08_13\Ex08_13\Form1.cs

?????文件???????3934??2007-07-11?11:27??Ex08_13\Ex08_13\Ex08_13\Form1.Designer.cs

?????文件???????5814??2007-07-11?11:27??Ex08_13\Ex08_13\Ex08_13\Form1.resx

?????目錄??????????0??2007-12-15?14:39??Ex08_13\Ex08_13\Ex08_13\obj

?????目錄??????????0??2007-12-15?14:39??Ex08_13\Ex08_13\Ex08_13\obj\Debug

?????文件????????842??2007-07-11?11:27??Ex08_13\Ex08_13\Ex08_13\obj\Debug\Ex08_13.csproj.GenerateResource.Cache

?????文件??????20480??2007-07-11?11:27??Ex08_13\Ex08_13\Ex08_13\obj\Debug\Ex08_13.exe

?????文件????????180??2007-07-11?11:27??Ex08_13\Ex08_13\Ex08_13\obj\Debug\Ex08_13.Form1.resources

?????文件??????22016??2007-07-11?11:27??Ex08_13\Ex08_13\Ex08_13\obj\Debug\Ex08_13.pdb

?????文件????????180??2007-07-11?11:27??Ex08_13\Ex08_13\Ex08_13\obj\Debug\Ex08_13.Properties.Resources.resources

?????目錄??????????0??2007-12-15?14:39??Ex08_13\Ex08_13\Ex08_13\obj\Debug\TempPE

?????文件????????268??2007-07-11?11:27??Ex08_13\Ex08_13\Ex08_13\obj\Ex08_13.csproj.FileList.txt

?????文件????????466??2007-07-11?11:27??Ex08_13\Ex08_13\Ex08_13\Program.cs

?????目錄??????????0??2007-12-15?14:39??Ex08_13\Ex08_13\Ex08_13\Properties

?????文件???????1162??2007-07-11?11:27??Ex08_13\Ex08_13\Ex08_13\Properties\AssemblyInfo.cs

?????文件???????2868??2007-07-11?11:27??Ex08_13\Ex08_13\Ex08_13\Properties\Resources.Designer.cs

?????文件???????5612??2007-07-11?11:27??Ex08_13\Ex08_13\Ex08_13\Properties\Resources.resx

?????文件???????1090??2007-07-11?11:27??Ex08_13\Ex08_13\Ex08_13\Properties\Settings.Designer.cs

?????文件????????249??2007-07-11?11:27??Ex08_13\Ex08_13\Ex08_13\Properties\Settings.settings

?????文件????????910??2007-07-11?11:27??Ex08_13\Ex08_13\Ex08_13.sln

?????文件??????14848??2007-07-11?11:27??Ex08_13\Ex08_13\Ex08_13.suo

............此處省略3個文件信息