The program listing shows a WPF application' s main window XAML code shows a Button control, the application in a window. Encapsulate multiple asynchronous read operation in the task.

Snippet9_1\Snippet9_1\App.xaml
..........\..........\App.xaml.cs
..........\..........\bin\Debug\Snippet9_1.exe
..........\..........\...\.....\Snippet9_1.pdb
..........\..........\...\.....\Snippet9_1.vshost.exe
..........\..........\...\.....\Snippet9_1.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
..........\..........\...\...\.....\Snippet9_1.csproj.FileListAbsolute.txt
..........\..........\...\...\.....\Snippet9_1.exe
..........\..........\...\...\.....\Snippet9_1.g.resources
..........\..........\...\...\.....\Snippet9_1.pdb
..........\..........\...\...\.....\Snippet9_1.Properties.Resources.resources
..........\..........\...\...\.....\Snippet9_1_MarkupCompile.cache
..........\..........\...\...\.....\Snippet9_1_MarkupCompile.i.cache
..........\..........\...\...\.....\TempPE\Properties.Resources.Designer.cs.dll
..........\..........\Properties\AssemblyInfo.cs
..........\..........\..........\Resources.Designer.cs
..........\..........\..........\Resources.resx
..........\..........\..........\Settings.Designer.cs
..........\..........\..........\Settings.settings
..........\..........\Snippet9_1.csproj
..........\Snippet9_1.sln
..........\Snippet9_1.suo
..........\..........\obj\x86\Debug\TempPE
..........\..........\...\...\Debug
..........\..........\bin\Debug
..........\..........\obj\x86
..........\..........\bin
..........\..........\obj
..........\..........\Properties
..........\Snippet9_1
Snippet9_1

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