fixed #196

src/Shared/HandyControl_Shared/Controls/TabControl/TabControl.cs

@@ -80,16 +80,43 @@ namespace HandyControl.Controls
         /// <summary>
         ///     是否显示关闭按钮
         /// </summary>
-        public static readonly DependencyProperty ShowCloseButtonProperty = DependencyProperty.Register(
-            "ShowCloseButton", typeof(bool), typeof(TabControl), new PropertyMetadata(ValueBoxes.FalseBox));
+        public static readonly DependencyProperty ShowCloseButtonProperty = DependencyProperty.RegisterAttached(
+            "ShowCloseButton", typeof(bool), typeof(TabControl), new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.Inherits));
+
+        public static void SetShowCloseButton(DependencyObject element, bool value)
+            => element.SetValue(ShowCloseButtonProperty, value);
+
+        public static bool GetShowCloseButton(DependencyObject element)
+            => (bool) element.GetValue(ShowCloseButtonProperty);
 
         /// <summary>
         ///     是否显示关闭按钮
         /// </summary>
         public bool ShowCloseButton
         {
-            get => (bool)GetValue(ShowCloseButtonProperty);
-            set => SetValue(ShowCloseButtonProperty, value);
+            get => GetShowCloseButton(this);
+            set => SetShowCloseButton(this, value);
+        }
+
+        /// <summary>
+        ///     是否显示上下文菜单
+        /// </summary>
+        public static readonly DependencyProperty ShowContextMenuProperty = DependencyProperty.RegisterAttached(
+            "ShowContextMenu", typeof(bool), typeof(TabControl), new FrameworkPropertyMetadata(ValueBoxes.TrueBox, FrameworkPropertyMetadataOptions.Inherits));
+
+        public static void SetShowContextMenu(DependencyObject element, bool value)
+            => element.SetValue(ShowContextMenuProperty, value);
+
+        public static bool GetShowContextMenu(DependencyObject element)
+            => (bool) element.GetValue(ShowContextMenuProperty);
+
+        /// <summary>
+        ///     是否显示上下文菜单
+        /// </summary>
+        public bool ShowContextMenu
+        {
+            get => GetShowContextMenu(this);
+            set => SetShowContextMenu(this, value);
         }
 
         /// <summary>