added XAML stuff

DeskHubSharpRevised/AboutWindow.axaml.cs

@@ -1,22 +1,34 @@
-$HEADER$using Avalonia;
+using System;
+using System.Diagnostics;
+using Avalonia;
 using Avalonia.Controls;
+using Avalonia.Interactivity;
 using Avalonia.Markup.Xaml;
 
-namespace $NAMESPACE$
-{
-    public partial class $CLASS$ : Window
-    {
-        public $CLASS$()
-        {
-            InitializeComponent();
-#if DEBUG
-            this.AttachDevTools();
-#endif
-        }
+namespace DeskHubSharpRevised;
 
-        private void InitializeComponent()
-        {
-            AvaloniaXamlLoader.Load(this);
-        }
+public partial class AboutWindow : Window
+{
+    public AboutWindow()
+    {
+        InitializeComponent();
+#if DEBUG
+        this.AttachDevTools();
+#endif
     }
-}
+
+    private void InitializeComponent()
+    {
+        AvaloniaXamlLoader.Load(this);
+    }
+    
+    private void btn_close_Click(object sender, RoutedEventArgs e)
+    {
+        this.Close();
+    }
+
+    private void OnOpened(object sender, EventArgs e)
+    {
+        base.OnOpened(e);
+    }
+}