更新

AntdWpfDemo/ViewModels/TagViewModel.cs

@@ -0,0 +1,39 @@
+using Caliburn.Micro;
+
+using System.ComponentModel.Composition;
+using System.Windows;
+
+namespace AntdWpfDemo.ViewModels
+{
+    [Export(typeof(IScreen))]
+    internal class TagViewModel : Screen
+    {
+        private Visibility visibility;
+
+        public Visibility Visibility
+        {
+            get { return visibility; }
+            set
+            {
+                visibility = value;
+                NotifyOfPropertyChange();
+            }
+        }
+
+
+        public TagViewModel()
+        {
+            DisplayName = "Tag";
+        }
+
+        public void Closing(object sender, RoutedEventArgs e)
+        {
+            e.Handled = true;
+        }
+
+        public void Toggle()
+        {
+            Visibility = visibility == Visibility.Collapsed ? Visibility.Visible : Visibility.Collapsed;
+        }
+    }
+}