Initial integration.

Wino.Mail.WinUI/Controls/Calendar/CalendarItemCommandBarFlyout.cs

@@ -0,0 +1,30 @@
+using Microsoft.UI.Xaml;
+using Microsoft.UI.Xaml.Controls;
+using Wino.Calendar.ViewModels.Data;
+
+namespace Wino.Calendar.Controls;
+
+public partial class CalendarItemCommandBarFlyout : CommandBarFlyout
+{
+    public static readonly DependencyProperty ItemProperty = DependencyProperty.Register(nameof(Item), typeof(CalendarItemViewModel), typeof(CalendarItemCommandBarFlyout), new PropertyMetadata(null, new PropertyChangedCallback(OnItemChanged)));
+
+    public CalendarItemViewModel Item
+    {
+        get { return (CalendarItemViewModel)GetValue(ItemProperty); }
+        set { SetValue(ItemProperty, value); }
+    }
+
+
+    private static void OnItemChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is CalendarItemCommandBarFlyout flyout)
+        {
+            flyout.UpdateMenuItems();
+        }
+    }
+
+    private void UpdateMenuItems()
+    {
+
+    }
+}