wpf usage of small example of the timer

Timer_daojishi\Timer_daojishi\App.xaml
..............\..............\App.xaml.cs
..............\..............\bin\Debug\Timer_daojishi.exe
..............\..............\...\.....\Timer_daojishi.pdb
..............\..............\...\.....\Timer_daojishi.vshost.exe
..............\..............\...\.....\Timer_daojishi.vshost.exe.manifest
..............\..............\MainWindow.xaml
..............\..............\MainWindow.xaml.cs
..............\..............\obj\x86\Debug\App.g.cs
..............\..............\...\...\.....\App.g.i.cs
..............\..............\...\...\.....\DesignTimeResolveAssemblyReferences.cache
..............\..............\...\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
..............\..............\...\...\.....\GenerateResource.read.1.tlog
..............\..............\...\...\.....\GenerateResource.write.1.tlog
..............\..............\...\...\.....\MainWindow.baml
..............\..............\...\...\.....\MainWindow.g.cs
..............\..............\...\...\.....\MainWindow.g.i.cs
..............\..............\...\...\.....\TempPE\Properties.Resources.Designer.cs.dll
..............\..............\...\...\.....\Timer_daojishi.csproj.FileListAbsolute.txt
..............\..............\...\...\.....\Timer_daojishi.exe
..............\..............\...\...\.....\Timer_daojishi.g.resources
..............\..............\...\...\.....\Timer_daojishi.pdb
..............\..............\...\...\.....\Timer_daojishi.Properties.Resources.resources
..............\..............\...\...\.....\Timer_daojishi_MarkupCompile.cache
..............\..............\...\...\.....\Timer_daojishi_MarkupCompile.i.cache
..............\..............\Properties\AssemblyInfo.cs
..............\..............\..........\Resources.Designer.cs
..............\..............\..........\Resources.resx
..............\..............\..........\Settings.Designer.cs
..............\..............\..........\Settings.settings
..............\..............\Timer_daojishi.csproj
..............\Timer_daojishi.sln
..............\Timer_daojishi.suo
..............\..............\obj\x86\Debug\TempPE
..............\..............\...\...\Debug
..............\..............\bin\Debug
..............\..............\obj\x86
..............\..............\bin
..............\..............\obj
..............\..............\Properties
..............\Timer_daojishi
Timer_daojishi

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