WIP: animation.

demo/Ursa.Demo/ViewModels/DrawerDemoViewModel.cs

@@ -0,0 +1,23 @@
+using System.Threading.Tasks;
+using System.Windows.Input;
+using Avalonia.Controls;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using Ursa.Controls;
+
+namespace Ursa.Demo.ViewModels;
+
+public class DrawerDemoViewModel: ObservableObject
+{
+    public ICommand OpenDrawerCommand { get; set; }
+
+    public DrawerDemoViewModel()
+    {
+        OpenDrawerCommand = new AsyncRelayCommand(OpenDrawer);
+    }
+
+    private async Task OpenDrawer()
+    {
+        await Drawer.Show<Calendar, string, bool>("Hello World");
+    }
+}