initial commit

Examples/QuickStartExample/App.axaml

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+<Application xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             x:Class="QuickStartExample.App">
+  <Application.Styles>
+    <FluentTheme />
+    <StyleInclude Source="avares://Avalonia.Controls.ColorPicker/Themes/Fluent/Fluent.xaml" />
+    <StyleInclude Source="avares://Avalonia.PropertyGrid/Controls/PropertyGrid.axaml" />
+  </Application.Styles>
+</Application>

Examples/QuickStartExample/App.axaml.cs

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+using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Markup.Xaml;
+
+namespace QuickStartExample;
+
+public 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();
+    }
+}

Examples/QuickStartExample/MainWindow.axaml

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+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:pg="using:Avalonia.PropertyGrid.Controls"
+        xmlns:models="using:QuickStartExample.Models"
+        x:Class="QuickStartExample.MainWindow"
+        x:DataType="models:Vehicle"
+        Title="QuickStart - PropertyGrid Example"
+        Width="900"
+        Height="650">
+
+    <Grid RowDefinitions="Auto,*,Auto" Margin="15">
+
+        <!-- Header Section -->
+        <Border Grid.Row="0" 
+                Padding="15" 
+                Background="#0078D4" 
+                CornerRadius="6" 
+                Margin="0,0,0,15">
+            <StackPanel>
+                <TextBlock Text="PropertyGrid Quick Start Example" 
+                           FontSize="24" 
+                           FontWeight="Bold" 
+                           Foreground="White" />
+                <TextBlock Text="Edit vehicle properties using the PropertyGrid" 
+                           FontSize="13" 
+                           Foreground="White" 
+                           Opacity="0.9" 
+                           Margin="0,5,0,0" />
+            </StackPanel>
+        </Border>
+
+        <!-- PropertyGrid Section -->
+        <Border Grid.Row="1" 
+                BorderBrush="#E0E0E0" 
+                BorderThickness="1" 
+                CornerRadius="6">
+            <pg:PropertyGrid SelectedObject="{Binding}" 
+                            ShowCategories="True" 
+                            ShowDescriptions="True" />
+        </Border>
+
+        <!-- Footer Section -->
+        <Border Grid.Row="2" 
+                Padding="10" 
+                Background="#F5F5F5" 
+                CornerRadius="6" 
+                Margin="0,15,0,0">
+            <TextBlock Text="Features: Categories, Multiple types, Descriptions, Read-only, Search" 
+                       FontSize="12" />
+        </Border>
+
+    </Grid>
+
+</Window>

Examples/QuickStartExample/MainWindow.axaml.cs

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+using Avalonia.Controls;
+using Avalonia.Controls.Primitives;
+using Avalonia.LogicalTree;
+using QuickStartExample.Models;
+
+namespace QuickStartExample;
+
+public partial class MainWindow : Window
+{
+    public MainWindow()
+    {
+        InitializeComponent();
+        var vehicle = new Vehicle();
+        DataContext = vehicle;
+
+        // Find the PropertyGrid and set its SelectedObject directly
+        this.Opened += (s, e) =>
+        {
+            var propertyGrid = this.FindDescendantOfType<Avalonia.PropertyGrid.Controls.PropertyGrid>();
+            if (propertyGrid != null)
+            {
+                propertyGrid.SelectedObject = vehicle;
+                System.Diagnostics.Debug.WriteLine("PropertyGrid found and SelectedObject set directly");
+            }
+            else
+            {
+                System.Diagnostics.Debug.WriteLine("PropertyGrid NOT found!");
+            }
+        };
+    }
+}
+
+public static class ControlExtensions
+{
+    public static T? FindDescendantOfType<T>(this Control control) where T : class
+    {
+        if (control is T result)
+            return result;
+
+        foreach (var child in control.GetLogicalChildren())
+        {
+            if (child is Control childControl)
+            {
+                var found = FindDescendantOfType<T>(childControl);
+                if (found != null)
+                    return found;
+            }
+        }
+
+        return null;
+    }
+}

Examples/QuickStartExample/Models/Vehicle.cs

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+using System;
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+
+namespace QuickStartExample.Models;
+
+/// <summary>
+/// Simple example class demonstrating PropertyGrid usage
+/// </summary>
+public class Vehicle
+{
+    [Display(Name = "Make", Description = "Vehicle manufacturer", Order = 1)]
+    [Category("Basic Info")]
+    public string Make { get; set; } = "Tesla";
+
+    [Display(Name = "Model", Description = "Vehicle model", Order = 2)]
+    [Category("Basic Info")]
+    public string Model { get; set; } = "Model 3";
+
+    [Display(Name = "Year", Description = "Manufacturing year", Order = 3)]
+    [Category("Basic Info")]
+    public int Year { get; set; } = 2024;
+
+    [Display(Name = "Color", Description = "Vehicle color", Order = 4)]
+    [Category("Appearance")]
+    public string Color { get; set; } = "Red";
+
+    [Display(Name = "Mileage", Description = "Current mileage in miles", Order = 5)]
+    [Category("Status")]
+    public double Mileage { get; set; } = 5000.0;
+
+    [Display(Name = "Is Electric", Description = "Electric vehicle", Order = 6)]
+    [Category("Technical")]
+    public bool IsElectric { get; set; } = true;
+
+    [Display(Name = "Fuel Type", Description = "Type of fuel", Order = 7)]
+    [Category("Technical")]
+    public FuelType FuelType { get; set; } = FuelType.Electric;
+
+    [Display(Name = "Price", Description = "Purchase price", Order = 8)]
+    [Category("Financial")]
+    public decimal Price { get; set; } = 45000.00m;
+
+    [Display(Name = "Purchase Date", Description = "Date of purchase", Order = 9)]
+    [Category("Financial")]
+    public DateTime PurchaseDate { get; set; } = DateTime.Now;
+
+    [Display(Name = "VIN", Description = "Vehicle Identification Number", Order = 10)]
+    [Category("Registration")]
+    [ReadOnly(true)]
+    public string VIN { get; set; } = "1HGBH41JXMN109186";
+}
+
+public enum FuelType
+{
+    Gasoline,
+    Diesel,
+    Electric,
+    Hybrid,
+    Hydrogen
+}

Examples/QuickStartExample/Program.cs

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+using System;
+using Avalonia;
+
+namespace QuickStartExample;
+
+class Program
+{
+    [STAThread]
+    public static void Main(string[] args) => BuildAvaloniaApp()
+        .StartWithClassicDesktopLifetime(args);
+
+    public static AppBuilder BuildAvaloniaApp()
+        => AppBuilder.Configure<App>()
+            .UsePlatformDetect()
+            .WithInterFont()
+            .LogToTrace();
+}

Examples/QuickStartExample/QuickStartExample.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+	<OutputType>WinExe</OutputType>
+	<TargetFramework>net10.0</TargetFramework>
+	<Nullable>enable</Nullable>
+	<ApplicationManifest>app.manifest</ApplicationManifest>
+  </PropertyGroup>
+
+  <ItemGroup>
+	<PackageReference Include="Avalonia" Version="12.1.0" />
+	<PackageReference Include="Avalonia.Desktop" Version="12.1.0" />
+	<PackageReference Include="Avalonia.Themes.Fluent" Version="12.1.0" />
+	<PackageReference Include="Avalonia.Fonts.Inter" Version="12.1.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+	<ProjectReference Include="..\..\Avalonia.PropertyGrid\Avalonia.PropertyGrid.csproj" />
+  </ItemGroup>
+</Project>

Examples/QuickStartExample/app.manifest

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+<?xml version="1.0" encoding="utf-8"?>
+<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
+  <assemblyIdentity version="1.0.0.0" name="QuickStartExample.Desktop"/>
+
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+	<application>
+	  <!-- Windows 10 / 11 -->
+	  <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/>
+	</application>
+  </compatibility>
+</assembly>