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AmalRajUmapathySelvamAmalRajUmapathySelvam
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Merge pull request #1 from susmitha-sundar/master
How to autofit item height based on content in wpf treeview
2 parents 6dd7e79 + c918734 commit 59e3208

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‎AutoFitItemHeight/Actions/QueryNodeSizeEvent.cs‎

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using Syncfusion.UI.Xaml.TreeView;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Interactivity;
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namespace AutoFitContentDemo
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{
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public class QueryNodeSizeEvent : Behavior<SfTreeView>
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{
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protected override void OnAttached()
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{
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this.AssociatedObject.QueryNodeSize += AssociatedObject_QueryNodeSize;
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base.OnAttached();
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}
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private void AssociatedObject_QueryNodeSize(object sender, QueryNodeSizeEventArgs e)
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{
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if (e.Node.Level == 0)
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{
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//Returns specified item height for items.
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e.Height = 30;
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e.Handled = true;
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}
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else
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{
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// Returns item height based on the content loaded.
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e.Height = e.GetAutoFitNodeHeight();
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e.Handled = true;
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}
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}
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protected override void OnDetaching()
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{
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this.AssociatedObject.QueryNodeSize -= AssociatedObject_QueryNodeSize;
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base.OnDetaching();
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}
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}
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}

‎AutoFitItemHeight/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=v4.5"/>
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</startup>
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</configuration>

‎AutoFitItemHeight/App.ico‎

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‎AutoFitItemHeight/App.xaml‎

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<Application
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x:Class="AutoFitContentDemo.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:AutoFitContentDemo"
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StartupUri="AutoFitContent.xaml">
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<Application.Resources />
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</Application>

‎AutoFitItemHeight/App.xaml.cs‎

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using Syncfusion.Licensing;
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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 AutoFitContentDemo
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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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public App()
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{
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SyncfusionLicenseProvider.RegisterLicense(DemoCommon.FindLicenseKey());
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}
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}
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}

‎AutoFitItemHeight/AutoFitContent.xaml‎

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<Window
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x:Class="AutoFitContentDemo.AutoFitContent"
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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:i="http://schemas.microsoft.com/expression/2010/interactivity"
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xmlns:local="clr-namespace:AutoFitContentDemo"
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xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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xmlns:skin="clr-namespace:Syncfusion.SfSkinManager;assembly=Syncfusion.SfSkinManager.WPF"
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xmlns:syncfusion="http://schemas.syncfusion.com/wpf"
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Title="Auto Fit Content"
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Width="500"
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Height="600"
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Icon="App.ico"
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WindowStartupLocation="CenterScreen"
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mc:Ignorable="d">
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<Window.DataContext>
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<local:FileManagerViewModel />
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</Window.DataContext>
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<Grid>
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<syncfusion:SfTreeView
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x:Name="treeView"
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Margin="10"
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AutoExpandMode="RootNodes"
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BorderBrush="LightGray"
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BorderThickness="1"
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ChildPropertyName="SubFiles"
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ExpandActionTrigger="Node"
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FocusVisualStyle="{x:Null}"
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ItemsSource="{Binding ImageNodeInfo}">
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<syncfusion:SfTreeView.ItemTemplate>
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<DataTemplate>
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<Grid>
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<Grid.ColumnDefinitions>
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<ColumnDefinition Width="auto" />
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<ColumnDefinition Width="*" />
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</Grid.ColumnDefinitions>
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<Image
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Width="20"
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Height="20"
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Margin="0,5,0,5"
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VerticalAlignment="Top"
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Source="{Binding ImageIcon}" />
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<StackPanel
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Grid.Column="1"
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HorizontalAlignment="Stretch"
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VerticalAlignment="Center">
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<TextBlock
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Margin="5"
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VerticalAlignment="Center"
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FontSize="13"
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Foreground="#474747"
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Text="{Binding FileName}"
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TextWrapping="Wrap" />
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<TextBlock
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Margin="5,0,5,5"
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FontSize="12"
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Foreground="#474747"
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Opacity=" 0.75"
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Text="{Binding FileDescription}"
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TextWrapping="Wrap"
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Visibility="{Binding Visibility}" />
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</StackPanel>
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</Grid>
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</DataTemplate>
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</syncfusion:SfTreeView.ItemTemplate>
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<i:Interaction.Behaviors>
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<local:QueryNodeSizeEvent />
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</i:Interaction.Behaviors>
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</syncfusion:SfTreeView>
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</Grid>
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</Window>

‎AutoFitItemHeight/AutoFitContent.xaml.cs‎

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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Data;
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using System.Windows.Documents;
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using System.Windows.Input;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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using System.Windows.Navigation;
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using System.Windows.Shapes;
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namespace AutoFitContentDemo
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{
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/// <summary>
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/// Interaction logic for AutoFitContent.xaml
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/// </summary>
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public partial class AutoFitContent : Window
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{
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public AutoFitContent()
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{
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InitializeComponent();
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}
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}
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}

‎AutoFitItemHeight/AutoFitContent_2010.csproj‎

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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProjectGuid>{32C01585-2D4A-4D70-A995-83DEAD479CF6}</ProjectGuid>
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<OutputType>WinExe</OutputType>
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<AppDesignerFolder>Properties</AppDesignerFolder>
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<RootNamespace>AutoFitContentDemo</RootNamespace>
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<AssemblyName>AutoFitContentDemo</AssemblyName>
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<TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
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<FileAlignment>512</FileAlignment>
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<ProjectTypeGuids>{60dc8134-eba5-43b8-bcc9-bb4bc16c2548};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
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<WarningLevel>4</WarningLevel>
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<TargetFrameworkProfile />
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<PlatformTarget>AnyCPU</PlatformTarget>
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<PlatformTarget>AnyCPU</PlatformTarget>
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<ItemGroup>
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<Resource Include="App.ico" />
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</ItemGroup>
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<ItemGroup>
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<Reference Include="Syncfusion.SampleLayout.WPF">
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<SpecificVersion>False</SpecificVersion>
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</Reference>
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<Reference Include="Syncfusion.SfTreeView.WPF" >
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<SpecificVersion>False</SpecificVersion>
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</Reference>
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<Reference Include="Syncfusion.SfSkinManager.WPF">
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<SpecificVersion>False</SpecificVersion>
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<Private>True</Private>
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</Reference>
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<Reference Include="Syncfusion.Themes.MaterialLight.WPF">
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<SpecificVersion>False</SpecificVersion>
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<Private>True</Private>
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</Reference>
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<Reference Include="System" />
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<Reference Include="System.Data" />
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<Reference Include="System.Windows.Interactivity">
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<SpecificVersion>False</SpecificVersion>
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<HintPath>..\..\..\Common\Data\Interactivity_Binaries\WPF\4.0\System.Windows.Interactivity.dll</HintPath>
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</Reference>
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<Reference Include="System.Xml" />
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<Reference Include="Microsoft.CSharp" />
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<Reference Include="System.Core" />
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<Reference Include="System.Xml.Linq" />
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<Reference Include="System.Data.DataSetExtensions" />
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<Reference Include="System.Net.Http" />
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<Reference Include="System.Xaml">
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<RequiredTargetFramework>4.0</RequiredTargetFramework>
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</Reference>
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<Reference Include="WindowsBase" />
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<Reference Include="PresentationCore" />
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<Reference Include="PresentationFramework" />
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</ItemGroup>
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<ItemGroup>
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<ApplicationDefinition Include="App.xaml">
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<Generator>MSBuild:Compile</Generator>
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<SubType>Designer</SubType>
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</ApplicationDefinition>
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<Page Include="AutoFitContent.xaml">
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<Generator>MSBuild:Compile</Generator>
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<SubType>Designer</SubType>
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</Page>
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<Compile Include="Actions\QueryNodeSizeEvent.cs" />
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<Compile Include="App.xaml.cs">
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<DependentUpon>App.xaml</DependentUpon>
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<SubType>Code</SubType>
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</Compile>
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<Compile Include="Model\FileManager.cs" />
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<Compile Include="ViewModel\FileManagerViewModel.cs" />
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<Compile Include="AutoFitContent.xaml.cs">
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<DependentUpon>AutoFitContent.xaml</DependentUpon>
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<SubType>Code</SubType>
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</Compile>
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</ItemGroup>
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<ItemGroup>
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<Compile Include="Properties\AssemblyInfo.cs">
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<SubType>Code</SubType>
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</Compile>
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<Compile Include="Properties\Resources.Designer.cs">
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<AutoGen>True</AutoGen>
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<DesignTime>True</DesignTime>
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<DependentUpon>Resources.resx</DependentUpon>
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</Compile>
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<Compile Include="Properties\Settings.Designer.cs">
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<AutoGen>True</AutoGen>
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<DependentUpon>Settings.settings</DependentUpon>
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<DesignTimeSharedInput>True</DesignTimeSharedInput>
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</Compile>
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<EmbeddedResource Include="Properties\Resources.resx">
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<Generator>ResXFileCodeGenerator</Generator>
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<LastGenOutput>Resources.Designer.cs</LastGenOutput>
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</EmbeddedResource>
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<None Include="Properties\Settings.settings">
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<Generator>SettingsSingleFileGenerator</Generator>
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<LastGenOutput>Settings.Designer.cs</LastGenOutput>
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</None>
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</ItemGroup>
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<ItemGroup>
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<None Include="App.config" />
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</ItemGroup>
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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<ItemGroup>
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<Reference Include="Syncfusion.Licensing" />
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</ItemGroup>
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<ItemGroup />
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<ItemGroup>
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<Resource Include="Images\collapse.png" />
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<Resource Include="Images\expand.png" />
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<Resource Include="Images\treeview_exe.png" />
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<Resource Include="Images\treeview_folder.png" />
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<Resource Include="Images\treeview_img0.png" />
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<Resource Include="Images\treeview_img1.png" />
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<Resource Include="Images\treeview_mp3.png" />
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<Resource Include="Images\treeview_pdf.png" />
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<Resource Include="Images\treeview_png.png" />
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<Resource Include="Images\treeview_ppt.png" />
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<Resource Include="Images\treeview_video.png" />
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<Resource Include="Images\treeview_word.png" />
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<Resource Include="Images\treeview_zip.png" />
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</ItemGroup>
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</Project>

‎AutoFitItemHeight/AutoFitContent_2010.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio 2010
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AutoFitContent_2010", "AutoFitContent_2010.csproj", "{32C01585-2D4A-4D70-A995-83DEAD479CF6}"
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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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Debug-Xml|Any CPU = Debug-Xml|Any CPU
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Release|Any CPU = Release|Any CPU
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Release-Xml|Any CPU = Release-Xml|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{3BC5F7F2-64B9-4F32-934D-BA0026BA85E7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{3BC5F7F2-64B9-4F32-934D-BA0026BA85E7}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{3BC5F7F2-64B9-4F32-934D-BA0026BA85E7}.Debug-Xml|Any CPU.ActiveCfg = Debug|Any CPU
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{3BC5F7F2-64B9-4F32-934D-BA0026BA85E7}.Debug-Xml|Any CPU.Build.0 = Debug|Any CPU
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{3BC5F7F2-64B9-4F32-934D-BA0026BA85E7}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{3BC5F7F2-64B9-4F32-934D-BA0026BA85E7}.Release|Any CPU.Build.0 = Release|Any CPU
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{3BC5F7F2-64B9-4F32-934D-BA0026BA85E7}.Release-Xml|Any CPU.ActiveCfg = Release|Any CPU
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{3BC5F7F2-64B9-4F32-934D-BA0026BA85E7}.Release-Xml|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 = {83543171-DAA1-4E4D-8E1F-70EB2EFAF2A4}
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EndGlobalSection
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EndGlobal

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