Synchronize the Net40

Net40/HandyControl_Net40/Controls/Attach/BorderElement.cs

@@ -1,4 +1,8 @@
 using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using HandyControl.Data;
+using HandyControl.Tools.Converter;
 
 namespace HandyControl.Controls
 {
@@ -10,5 +14,37 @@ namespace HandyControl.Controls
         public static void SetCornerRadius(DependencyObject element, CornerRadius value) => element.SetValue(CornerRadiusProperty, value);
 
         public static CornerRadius GetCornerRadius(DependencyObject element) => (CornerRadius)element.GetValue(CornerRadiusProperty);
+
+        public static readonly DependencyProperty CircularProperty = DependencyProperty.RegisterAttached(
+            "Circular", typeof(bool), typeof(BorderElement), new PropertyMetadata(ValueBoxes.FalseBox, OnCircularChanged));
+
+        private static void OnCircularChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        {
+            if (d is Border border)
+            {
+                if ((bool)e.NewValue)
+                {
+                    var binding = new MultiBinding
+                    {
+                        Converter = new BorderCircularConverter()
+                    };
+                    binding.Bindings.Add(new Binding(FrameworkElement.ActualWidthProperty.Name) { Source = border });
+                    binding.Bindings.Add(new Binding(FrameworkElement.ActualHeightProperty.Name) { Source = border });
+                    border.SetBinding(Border.CornerRadiusProperty, binding);
+                }
+                else
+                {
+                    BindingOperations.ClearBinding(border, FrameworkElement.MinWidthProperty);
+                    BindingOperations.ClearBinding(border, FrameworkElement.MinHeightProperty);
+                    BindingOperations.ClearBinding(border, Border.CornerRadiusProperty);
+                }
+            }
+        }
+
+        public static void SetCircular(DependencyObject element, bool value)
+            => element.SetValue(CircularProperty, value);
+
+        public static bool GetCircular(DependencyObject element)
+            => (bool)element.GetValue(CircularProperty);
     }
 }

Net40/HandyControl_Net40/Controls/Attach/LinkElement.cs

@@ -14,7 +14,7 @@ namespace HandyControl.Controls
         {
             if (d is UIElement element)
             {
-                CreateTrriger(element, (string) e.NewValue);
+                CreateTrigger(element, (string)e.NewValue);
             }
         }
 
@@ -25,9 +25,9 @@ namespace HandyControl.Controls
             => element.SetValue(CommandBindingProperty, value);
 
         private static CommandBinding GetCommandBinding(DependencyObject element)
-            => (CommandBinding) element.GetValue(CommandBindingProperty);
+            => (CommandBinding)element.GetValue(CommandBindingProperty);
 
-        private static void CreateTrriger(UIElement element, string link)
+        private static void CreateTrigger(UIElement element, string link)
         {
             element.CommandBindings.Remove(GetCommandBinding(element));
             element.SetCurrentValue(CommandBindingProperty, DependencyProperty.UnsetValue);
@@ -42,6 +42,6 @@ namespace HandyControl.Controls
             => element.SetValue(LinkProperty, value);
 
         public static string GetLink(DependencyObject element)
-            => (string) element.GetValue(LinkProperty);
+            => (string)element.GetValue(LinkProperty);
     }
 }