Add AvaloniaUI App project.

CsvView.Old.csproj

@@ -8,7 +8,7 @@
     <OutputType>WinExe</OutputType>
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>CsvView</RootNamespace>
-    <AssemblyName>CsvView</AssemblyName>
+    <AssemblyName>CsvView.Old</AssemblyName>
     <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>

CsvView.sln

@@ -3,12 +3,14 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 14
 VisualStudioVersion = 14.0.25420.1
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CsvView", "CsvView.csproj", "{587169B9-7891-4A2F-8537-9196898B86AF}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CsvView.Old", "CsvView.Old.csproj", "{587169B9-7891-4A2F-8537-9196898B86AF}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CsvLib", "CsvLib\CsvLib.csproj", "{EB0FDB60-8B9D-401C-85A8-4CF4105D5063}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CsvLib.Tests", "CsvLib.Tests\CsvLib.Tests.csproj", "{EC5C84D8-1CDE-4AED-9C16-6C4086A20893}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CsvView", "CsvView\CsvView.csproj", "{65A0A7DA-5884-4DFE-8223-C8F5DBD881A8}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -27,6 +29,10 @@ Global
 		{EC5C84D8-1CDE-4AED-9C16-6C4086A20893}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{EC5C84D8-1CDE-4AED-9C16-6C4086A20893}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{EC5C84D8-1CDE-4AED-9C16-6C4086A20893}.Release|Any CPU.Build.0 = Release|Any CPU
+		{65A0A7DA-5884-4DFE-8223-C8F5DBD881A8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{65A0A7DA-5884-4DFE-8223-C8F5DBD881A8}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{65A0A7DA-5884-4DFE-8223-C8F5DBD881A8}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{65A0A7DA-5884-4DFE-8223-C8F5DBD881A8}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

CsvView.sln.DotSettings

@@ -1,3 +1,3 @@
 <wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
-	<s:String x:Key="/Default/Environment/Hierarchy/Build/BuildTool/CustomBuildToolPath/@EntryValue">/usr/lib/mono/msbuild/15.0/bin/MSBuild.dll</s:String>
+	<s:String x:Key="/Default/Environment/Hierarchy/Build/BuildTool/CustomBuildToolPath/@EntryValue">/usr/share/dotnet/sdk/7.0.107/MSBuild.dll</s:String>
-	<s:Int64 x:Key="/Default/Environment/Hierarchy/Build/BuildTool/MsbuildVersion/@EntryValue">983040</s:Int64></wpf:ResourceDictionary>
+	<s:Int64 x:Key="/Default/Environment/Hierarchy/Build/BuildTool/MsbuildVersion/@EntryValue">4294967293</s:Int64></wpf:ResourceDictionary>

CsvView/App.axaml

@@ -0,0 +1,10 @@
+<Application xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             x:Class="CsvView.App"
+             RequestedThemeVariant="Default">
+             <!-- "Default" ThemeVariant follows system theme variant. "Dark" or "Light" are other available options. -->
+
+    <Application.Styles>
+        <FluentTheme />
+    </Application.Styles>
+</Application>

CsvView/App.axaml.cs

@@ -0,0 +1,23 @@
+using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Markup.Xaml;
+
+namespace CsvView;
+
+public partial class App : Application
+{
+    public override void Initialize()
+    {
+        AvaloniaXamlLoader.Load(this);
+    }
+
+    public override void OnFrameworkInitializationCompleted()
+    {
+        if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+        {
+            desktop.MainWindow = new MainWindow();
+        }
+
+        base.OnFrameworkInitializationCompleted();
+    }
+}

CsvView/CsvView.csproj

@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+    <PropertyGroup>
+        <OutputType>WinExe</OutputType>
+        <TargetFramework>net7.0</TargetFramework>
+        <Nullable>enable</Nullable>
+        <BuiltInComInteropSupport>true</BuiltInComInteropSupport>
+        <ApplicationManifest>app.manifest</ApplicationManifest>
+        <AvaloniaUseCompiledBindingsByDefault>true</AvaloniaUseCompiledBindingsByDefault>
+    </PropertyGroup>
+
+
+    <ItemGroup>
+        <PackageReference Include="Avalonia" Version="11.0.2"/>
+        <PackageReference Include="Avalonia.Desktop" Version="11.0.2"/>
+        <PackageReference Include="Avalonia.Themes.Fluent" Version="11.0.2"/>
+        <PackageReference Include="Avalonia.Fonts.Inter" Version="11.0.2"/>
+        <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
+        <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.0.2"/>
+    </ItemGroup>
+</Project>

CsvView/MainWindow.axaml

@@ -0,0 +1,11 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="600"
+        x:Class="CsvView.MainWindow"
+        Width="800"
+        Height="600"
+        Title="CsvView">
+    Hello CvsView!
+</Window>

CsvView/MainWindow.axaml.cs

@@ -0,0 +1,12 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+
+namespace CsvView;
+
+public partial class MainWindow : Window
+{
+    public MainWindow()
+    {
+        InitializeComponent();
+    }
+}

CsvView/Program.cs

@@ -0,0 +1,21 @@
+using Avalonia;
+using System;
+
+namespace CsvView;
+
+class Program
+{
+    // Initialization code. Don't use any Avalonia, third-party APIs or any
+    // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
+    // yet and stuff might break.
+    [STAThread]
+    public static void Main(string[] args) => BuildAvaloniaApp()
+        .StartWithClassicDesktopLifetime(args);
+
+    // Avalonia configuration, don't remove; also used by visual designer.
+    public static AppBuilder BuildAvaloniaApp()
+        => AppBuilder.Configure<App>()
+            .UsePlatformDetect()
+            .WithInterFont()
+            .LogToTrace();
+}

CsvView/app.manifest

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
+  <!-- This manifest is used on Windows only.
+       Don't remove it as it might cause problems with window transparency and embeded controls.
+       For more details visit https://learn.microsoft.com/en-us/windows/win32/sbscs/application-manifests -->
+  <assemblyIdentity version="1.0.0.0" name="CsvView.Desktop"/>
+
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!-- A list of the Windows versions that this application has been tested on
+           and is designed to work with. Uncomment the appropriate elements
+           and Windows will automatically select the most compatible environment. -->
+
+      <!-- Windows 10 -->
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />
+    </application>
+  </compatibility>
+</assembly>