test window hiding

samples/MobileSandbox/MainView.xaml

@@ -10,5 +10,6 @@
     <TextBox Watermark="Password" PasswordChar="*" TextInputOptions.ContentType="Password" />
     <TextBox Watermark="Pin" PasswordChar="*" TextInputOptions.ContentType="Digits" TextInputOptions.ReturnKeyType="Next" />
     <Button Content="Login" Command="{Binding ButtonCommand}" />
+    <Button Content="Hide" Command="{Binding HideCommand}" />
   </StackPanel>
 </UserControl>

samples/MobileSandbox/MainView.xaml.cs

@@ -17,6 +17,23 @@ namespace MobileSandbox
         public void ButtonCommand()
         {
             Console.WriteLine("Button pressed");
+            var parent = TopLevel.GetTopLevel(this) as Window;
+
+            if(parent != null)
+            {
+                new MainWindow().Show(parent);
+
+            }
+
+        }
+
+        public void HideCommand()
+        {
+            Console.WriteLine("Button pressed");
+            var parent = TopLevel.GetTopLevel(this) as Window;
+
+           parent?.Hide();
+
         }
     }
 }

samples/MobileSandbox/MainWindow.xaml.cs

@@ -1,3 +1,4 @@
+using System;
 using Avalonia.Controls;
 using Avalonia.Markup.Xaml;
 
@@ -8,6 +9,7 @@ namespace MobileSandbox
         public MainWindow()
         {
             this.InitializeComponent();
+            //this.ClosingBehavior = WindowClosingBehavior.OwnerWindowOnly;
 
             //Renderer.DrawFps = true;
             //Renderer.DrawDirtyRects = Renderer.DrawFps = true;
@@ -17,5 +19,18 @@ namespace MobileSandbox
         {
             AvaloniaXamlLoader.Load(this);
         }
+
+        protected override void OnClosing(WindowClosingEventArgs e)
+        {
+            base.OnClosing(e);
+
+            e.Cancel = true;
+            this.Hide();
+        }
+
+        protected override void OnClosed(EventArgs e)
+        {
+            base.OnClosed(e);
+        }
     }
 }