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WPF-60240 - How to create PDF thumbnails with horizontal scrolling
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‎Navigation/Horizontal_Thumbnails/WPFThumbnailSample.sln

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 16
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VisualStudioVersion = 16.0.31320.298
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WPFThumbnailSample", "WPFThumbnailSample\WPFThumbnailSample.csproj", "{EEA9D1D2-AF12-4800-AEE0-00EC33FE12D4}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{EEA9D1D2-AF12-4800-AEE0-00EC33FE12D4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{EEA9D1D2-AF12-4800-AEE0-00EC33FE12D4}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{EEA9D1D2-AF12-4800-AEE0-00EC33FE12D4}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{EEA9D1D2-AF12-4800-AEE0-00EC33FE12D4}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {BCB19BD1-1043-46FD-91D3-72BD4CB9E28A}
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EndGlobalSection
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EndGlobal

‎Navigation/Horizontal_Thumbnails/WPFThumbnailSample/App.config

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<?xml version="1.0" encoding="utf-8" ?>
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<configuration>
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<startup>
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<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6" />
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</startup>
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</configuration>

‎Navigation/Horizontal_Thumbnails/WPFThumbnailSample/App.xaml

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<Application x:Class="WPFThumbnailSample.App"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:local="clr-namespace:WPFThumbnailSample"
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StartupUri="MainWindow.xaml">
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<Application.Resources>
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</Application.Resources>
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</Application>

‎Navigation/Horizontal_Thumbnails/WPFThumbnailSample/App.xaml.cs

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using System;
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using System.Collections.Generic;
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using System.Configuration;
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using System.Data;
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using System.Linq;
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using System.Threading.Tasks;
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using System.Windows;
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namespace WPFThumbnailSample
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{
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/// <summary>
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/// Interaction logic for App.xaml
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/// </summary>
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public partial class App : Application
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{
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}
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}

‎Navigation/Horizontal_Thumbnails/WPFThumbnailSample/Data/JavaScript Succinctly.pdf

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‎Navigation/Horizontal_Thumbnails/WPFThumbnailSample/MainWindow.xaml

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<Window xmlns:PdfViewer="clr-namespace:Syncfusion.Windows.PdfViewer;assembly=Syncfusion.PdfViewer.WPF" x:Class="WPFThumbnailSample.MainWindow"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
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xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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xmlns:local="clr-namespace:WPFThumbnailSample"
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mc:Ignorable="d"
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Title="MainWindow" WindowState="Maximized">
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<Grid Name="ParentGrid">
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<Grid.RowDefinitions>
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<RowDefinition Height="200"></RowDefinition>
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<RowDefinition Height="*"></RowDefinition>
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</Grid.RowDefinitions>
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<ScrollViewer Grid.Row="0" HorizontalScrollBarVisibility="Visible">
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<Grid Name="ThumbnailGrid" Background="Gray" />
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</ScrollViewer>
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<PdfViewer:PdfViewerControl Name="pdfViewerControl" Grid.Row="1"/>
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</Grid>
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</Window>

‎Navigation/Horizontal_Thumbnails/WPFThumbnailSample/MainWindow.xaml.cs

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using System;
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using System.Windows;
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using System.Drawing;
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using System.Windows.Media.Imaging;
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using System.Windows.Controls;
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using System.Windows.Input;
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namespace WPFThumbnailSample
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{
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/// <summary>
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/// Interaction logic for MainWindow.xaml
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/// </summary>
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public partial class MainWindow : Window
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{
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public MainWindow()
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{
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InitializeComponent();
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pdfViewerControl.Load(@"../../Data/JavaScript Succinctly.pdf");
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//Rise PdfViewer document loaded event
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pdfViewerControl.DocumentLoaded += PdfViewerControl_DocumentLoaded;
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//Rise PdfViewer document unloaded event
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pdfViewerControl.DocumentUnloaded += PdfViewerControl_DocumentUnloaded;
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}
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/// <summary>
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/// Convert pdf pages as imag and add the images into thumbnail grid
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/// </summary>
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private void PdfViewerControl_DocumentLoaded(object sender, EventArgs args)
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{
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//Export pdf pages as image using PdfViewer ExportAsImage method with a custom size of 200 X 400
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BitmapSource[] Pages = pdfViewerControl.ExportAsImage(0, pdfViewerControl.PageCount - 1, new SizeF(200, 400), true);
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for (int i = 0; i < Pages.Length; i++)
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{
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//Create image control from the exported Pdf page bitmap source
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System.Windows.Controls.Image image = new System.Windows.Controls.Image();
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image.Source = Pages[i];
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image.Margin = new Thickness(5);
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image.HorizontalAlignment = HorizontalAlignment.Center;
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image.MouseUp += Image_MouseUp;
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//Create column in the thumbnail grid and add the image into the column
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ColumnDefinition column = new ColumnDefinition();
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ThumbnailGrid.ColumnDefinitions.Add(column);
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Grid.SetColumn(image, i);
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ThumbnailGrid.Children.Add(image);
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}
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}
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/// <summary>
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/// Navigate to the page in PdfViewer based on the thumbnail grid image selection
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/// </summary>
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private void Image_MouseUp(object sender, MouseButtonEventArgs e)
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{
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System.Windows.Controls.Image img = sender as System.Windows.Controls.Image;
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if (img != null)
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{
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//Get the pageindex from the thumbnail grid based on selected image
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int pageIndex = (int)img.GetValue(Grid.ColumnProperty);
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//Navigate to the particular page
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pdfViewerControl.GotoPage(pageIndex + 1);
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}
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}
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/// <summary>
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/// Clear the columns in the Thumbnail grid
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/// </summary>
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private void PdfViewerControl_DocumentUnloaded(object sender, EventArgs e)
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{
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ThumbnailGrid.ColumnDefinitions.Clear();
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}
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}
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}

‎Navigation/Horizontal_Thumbnails/WPFThumbnailSample/Properties/AssemblyInfo.cs

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using System.Reflection;
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using System.Resources;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Windows;
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// General Information about an assembly is controlled through the following
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// set of attributes. Change these attribute values to modify the information
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// associated with an assembly.
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[assembly: AssemblyTitle("WPFThumbnailSample")]
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[assembly: AssemblyDescription("")]
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[assembly: AssemblyConfiguration("")]
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[assembly: AssemblyCompany("")]
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[assembly: AssemblyProduct("WPFThumbnailSample")]
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[assembly: AssemblyCopyright("Copyright © 2022")]
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[assembly: AssemblyTrademark("")]
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[assembly: AssemblyCulture("")]
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// Setting ComVisible to false makes the types in this assembly not visible
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// to COM components. If you need to access a type in this assembly from
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// COM, set the ComVisible attribute to true on that type.
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[assembly: ComVisible(false)]
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//In order to begin building localizable applications, set
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//<UICulture>CultureYouAreCodingWith</UICulture> in your .csproj file
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//inside a <PropertyGroup>. For example, if you are using US english
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//in your source files, set the <UICulture> to en-US. Then uncomment
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//the NeutralResourceLanguage attribute below. Update the "en-US" in
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//the line below to match the UICulture setting in the project file.
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//[assembly: NeutralResourcesLanguage("en-US", UltimateResourceFallbackLocation.Satellite)]
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[assembly: ThemeInfo(
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ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
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//(used if a resource is not found in the page,
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// or application resource dictionaries)
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ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
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//(used if a resource is not found in the page,
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// app, or any theme specific resource dictionaries)
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)]
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// Version information for an assembly consists of the following four values:
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//
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// Major Version
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// Minor Version
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// Build Number
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// Revision
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//
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// You can specify all the values or you can default the Build and Revision Numbers
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// by using the '*' as shown below:
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// [assembly: AssemblyVersion("1.0.*")]
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[assembly: AssemblyVersion("1.0.0.0")]
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[assembly: AssemblyFileVersion("1.0.0.0")]

‎Navigation/Horizontal_Thumbnails/WPFThumbnailSample/Properties/Resources.Designer.cs

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