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PiruthivirajMPiruthivirajM
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Merge pull request #1 from AnanthaLakshmiKannan/master
Added KB for How to access a named ListView inside a XAML DataTemplate in .NET MAUI (SfListView)?
2 parents 6602b52 + 325160a commit 02274ba

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‎App.xaml‎

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<?xml version = "1.0" encoding = "UTF-8" ?>
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<Application xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
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xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
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xmlns:local="clr-namespace:ListViewMaui"
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x:Class="ListViewMaui.App">
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<Application.Resources>
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<ResourceDictionary>
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<ResourceDictionary.MergedDictionaries>
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<ResourceDictionary Source="Resources/Styles/Colors.xaml" />
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<ResourceDictionary Source="Resources/Styles/Styles.xaml" />
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</ResourceDictionary.MergedDictionaries>
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</ResourceDictionary>
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</Application.Resources>
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</Application>

‎App.xaml.cs‎

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namespace ListViewMaui
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{
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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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InitializeComponent();
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MainPage = new MainPage();
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}
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}
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}

‎Helper/Behavior.cs‎

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using Syncfusion.Maui.ListView;
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using Syncfusion.Maui.Popup;
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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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namespace ListViewMaui
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{
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public class GridBehavior : Behavior<Grid>
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{
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Grid grid;
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SfListView listView;
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Button button;
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protected override void OnAttachedTo(BindableObject bindable)
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{
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grid = bindable as Grid;
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grid.ChildAdded += Grid_ChildAdded;
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}
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//Method 1 : Get SfListView reference using Grid.ChildAdded Event
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private void Grid_ChildAdded(object sender, ElementEventArgs e)
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{
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if (e.Element is SfListView)
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{
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listView = e.Element as SfListView;
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listView.RefreshView();
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}
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if (e.Element is Button)
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{
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button = e.Element as Button;
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button.Clicked += Button_Clicked;
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}
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}
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//Method 2 : Get SfListView reference using FindByName
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private void Button_Clicked(object sender, EventArgs e)
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{
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listView = grid.FindByName<SfListView>("listView");
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App.Current.MainPage.DisplayAlert("Information", "ListView instance obtained", "Ok");
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listView.ItemTapped += ListView_ItemTapped;
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}
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private void ListView_ItemTapped(object sender, Syncfusion.Maui.ListView.ItemTappedEventArgs e)
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{
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App.Current.MainPage.DisplayAlert("Information", "ListView ItemTapped", "Ok");
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}
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protected override void OnDetachingFrom(BindableObject bindable)
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{
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button.Clicked -= Button_Clicked;
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grid.ChildAdded -= Grid_ChildAdded;
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listView.ItemTapped -= ListView_ItemTapped;
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listView = null;
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button = null;
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grid = null;
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base.OnDetachingFrom(bindable);
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}
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}
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public class ContentPageBehavior : Behavior<ContentPage>
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{
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ContentPage page;
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SfPopup popupLayout;
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Button button;
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protected override void OnAttachedTo(ContentPage bindable)
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{
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//page = bindable;
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popupLayout = bindable.FindByName<SfPopup>("popupLayout");
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button = bindable.FindByName<Button>("ShowPopup");
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button.Clicked += Button_Clicked;
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base.OnAttachedTo(bindable);
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}
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private void Button_Clicked(object sender, EventArgs e)
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{
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popupLayout.Show();
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}
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protected override void OnDetachingFrom(ContentPage bindable)
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{
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button.Clicked -= Button_Clicked;
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base.OnDetachingFrom(bindable);
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}
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}
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}

‎Images/image_a.png‎

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‎Images/image_b.png‎

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‎Images/image_c.png‎

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‎Images/image_d.png‎

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‎Images/image_e.png‎

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‎ListViewMaui.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFrameworks>net8.0-android;net8.0-ios;net8.0-maccatalyst</TargetFrameworks>
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<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net8.0-windows10.0.19041.0</TargetFrameworks>
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<!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
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<!-- <TargetFrameworks>$(TargetFrameworks);net8.0-tizen</TargetFrameworks> -->
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<!-- Note for MacCatalyst:
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The default runtime is maccatalyst-x64, except in Release config, in which case the default is maccatalyst-x64;maccatalyst-arm64.
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When specifying both architectures, use the plural <RuntimeIdentifiers> instead of the singular <RuntimeIdentifier>.
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The Mac App Store will NOT accept apps with ONLY maccatalyst-arm64 indicated;
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either BOTH runtimes must be indicated or ONLY macatalyst-x64. -->
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<!-- For example: <RuntimeIdentifiers>maccatalyst-x64;maccatalyst-arm64</RuntimeIdentifiers> -->
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<OutputType>Exe</OutputType>
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<RootNamespace>ListViewMaui</RootNamespace>
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<UseMaui>true</UseMaui>
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<SingleProject>true</SingleProject>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<!-- Display name -->
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<ApplicationTitle>ListViewMaui</ApplicationTitle>
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<!-- App Identifier -->
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<ApplicationId>com.companyname.listviewmaui</ApplicationId>
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<!-- Versions -->
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<ApplicationDisplayVersion>1.0</ApplicationDisplayVersion>
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<ApplicationVersion>1</ApplicationVersion>
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<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">11.0</SupportedOSPlatformVersion>
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<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">13.1</SupportedOSPlatformVersion>
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<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">21.0</SupportedOSPlatformVersion>
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<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</SupportedOSPlatformVersion>
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<TargetPlatformMinVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</TargetPlatformMinVersion>
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<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'tizen'">6.5</SupportedOSPlatformVersion>
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</PropertyGroup>
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<ItemGroup>
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<!-- App Icon -->
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<MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#512BD4" />
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<!-- Splash Screen -->
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<MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#512BD4" BaseSize="128,128" />
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<!-- Images -->
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<MauiImage Include="Resources\Images\*" />
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<MauiImage Update="Resources\Images\dotnet_bot.png" Resize="True" BaseSize="300,185" />
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<!-- Custom Fonts -->
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<MauiFont Include="Resources\Fonts\*" />
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<!-- Raw Assets (also remove the "Resources\Raw" prefix) -->
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<MauiAsset Include="Resources\Raw\**" LogicalName="%(RecursiveDir)%(Filename)%(Extension)" />
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</ItemGroup>
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<ItemGroup>
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<None Remove="Images\image_a.png" />
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<None Remove="Images\image_b.png" />
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<None Remove="Images\image_c.png" />
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<None Remove="Images\image_d.png" />
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<None Remove="Images\image_e.png" />
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</ItemGroup>
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<ItemGroup>
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<PackageReference Include="Microsoft.Maui.Controls" Version="$(MauiVersion)" />
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<PackageReference Include="Microsoft.Maui.Controls.Compatibility" Version="$(MauiVersion)" />
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<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="8.0.0" />
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<PackageReference Include="Syncfusion.Maui.ListView" Version="*" />
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<PackageReference Include="Syncfusion.Maui.Popup" Version="*" />
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</ItemGroup>
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<ItemGroup>
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<MauiImage Include="Images\image_a.png" />
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<MauiImage Include="Images\image_b.png" />
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<MauiImage Include="Images\image_c.png" />
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<MauiImage Include="Images\image_d.png" />
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<MauiImage Include="Images\image_e.png" />
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</ItemGroup>
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</Project>

‎ListViewMaui.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.8.34330.188
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ListViewMaui", "ListViewMaui.csproj", "{3057B52E-49F9-4762-A642-5F81DCEBC106}"
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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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{3057B52E-49F9-4762-A642-5F81DCEBC106}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{3057B52E-49F9-4762-A642-5F81DCEBC106}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{3057B52E-49F9-4762-A642-5F81DCEBC106}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
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{3057B52E-49F9-4762-A642-5F81DCEBC106}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{3057B52E-49F9-4762-A642-5F81DCEBC106}.Release|Any CPU.Build.0 = Release|Any CPU
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{3057B52E-49F9-4762-A642-5F81DCEBC106}.Release|Any CPU.Deploy.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 = {325E1898-6963-491C-A60C-C15C777F6084}
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EndGlobalSection
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EndGlobal

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