initial commit

Examples/QuickStartExample/MainWindow.axaml.cs

@@ -0,0 +1,52 @@
+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;
+    }
+}