Description: 默认情况下，.NET的随机数是根据系统时间来生成的，如果电脑速度很快的话，生成的随机数就会一样。
Random rnd = new Random()
int rndNum = rnd.Next() //int 取值范围内的随机数
int rndNum = rnd.Next(10) //得0~9的随机数
int rndNum = rnd.Next(10,20) //得10~19的随机数
int rndNum = rnd.NextDouble() //得0~1的随机数
To Search:
File list (Check if you may need any files):
33333\51Aspx源码必读 .txt
.....\App.xaml
.....\App.xaml.cs
.....\bin\Debug\Sounds\alarm_1.mp3
.....\...\.....\......\siren_1.mp3
.....\...\.....\WpfTimer.application
.....\...\.....\WpfTimer.exe
.....\...\.....\WpfTimer.exe.manifest
.....\...\.....\WpfTimer.pdb
.....\...\.....\WpfTimer.vshost.application
.....\...\.....\WpfTimer.vshost.exe
.....\...\.....\WpfTimer.vshost.exe.manifest
.....\Images\TIO_Timer-150x150.png
.....\MainWindow.xaml
.....\MainWindow.xaml.cs
.....\obj\x86\Debug\App.g.cs
.....\...\...\.....\App.g.i.cs
.....\...\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
.....\...\...\.....\GenerateResource.read.1.tlog
.....\...\...\.....\GenerateResource.write.1.tlog
.....\...\...\.....\MainWindow.baml
.....\...\...\.....\MainWindow.g.cs
.....\...\...\.....\MainWindow.g.i.cs
.....\...\...\.....\WpfTimer.application
.....\...\...\.....\WpfTimer.csproj.FileListAbsolute.txt
.....\...\...\.....\WpfTimer.exe
.....\...\...\.....\WpfTimer.exe.manifest
.....\...\...\.....\WpfTimer.g.resources
.....\...\...\.....\WpfTimer.pdb
.....\...\...\.....\WpfTimer.Properties.Resources.resources
.....\...\...\.....\WpfTimer.TrustInfo.xml
.....\...\...\.....\WpfTimer_Content.g.cs
.....\...\...\.....\WpfTimer_Content.g.i.cs
.....\...\...\.....\WpfTimer_MarkupCompile.cache
.....\...\...\.....\WpfTimer_MarkupCompile.i.cache
.....\Properties\app.manifest
.....\..........\AssemblyInfo.cs
.....\..........\Resources.Designer.cs
.....\..........\Resources.resx
.....\..........\Settings.Designer.cs
.....\..........\Settings.settings
.....\Sounds\alarm_1.mp3
.....\......\siren_1.mp3
.....\timer.ico
.....\WpfTimer.csproj
.....\WpfTimer.csproj.vspscc
.....\WpfTimer.sln
.....\WpfTimer.suo
.....\WpfTimer_TemporaryKey.pfx
.....\bin\Debug\Sounds
.....\obj\x86\Debug
.....\bin\Debug
.....\obj\x86
.....\bin
.....\Images
.....\obj
.....\Properties
.....\Sounds
33333
Download