add SplitButton

src/Shared/HandyControl_Shared/Controls/Block/FloatingBlock.cs

@@ -101,13 +101,13 @@ namespace HandyControl.Controls
         {
             if (!(d is UIElement target)) return;
 
-            target.RemoveHandler(PreviewMouseLeftButtonDownEvent, new MouseButtonEventHandler(Target_PreviewMouseLeftButtonDown));
-            target.RemoveHandler(PreviewMouseLeftButtonUpEvent, new MouseButtonEventHandler(Target_PreviewMouseLeftButtonUp));
+            target.PreviewMouseLeftButtonDown -= Target_PreviewMouseLeftButtonDown;
+            target.PreviewMouseLeftButtonUp -= Target_PreviewMouseLeftButtonUp;
 
             if (e.NewValue != null)
             {
-                target.AddHandler(PreviewMouseLeftButtonDownEvent, new MouseButtonEventHandler(Target_PreviewMouseLeftButtonDown));
-                target.AddHandler(PreviewMouseLeftButtonUpEvent, new MouseButtonEventHandler(Target_PreviewMouseLeftButtonUp));
+                target.PreviewMouseLeftButtonDown += Target_PreviewMouseLeftButtonDown;
+                target.PreviewMouseLeftButtonUp += Target_PreviewMouseLeftButtonUp;
             }
         }
 

src/Shared/HandyControl_Shared/Controls/Button/SplitButton.cs

@@ -7,13 +7,8 @@ using HandyControl.Data.Enum;
 
 namespace HandyControl.Controls
 {
-    [TemplatePart(Name = ElementArrow, Type = typeof(ToggleButton))]
     public class SplitButton : ButtonBase
     {
-        private const string ElementArrow = "PART_Arrow";
-
-        private ToggleButton _toggleArrow;
-
         public static readonly DependencyProperty HitModeProperty = DependencyProperty.Register(
             "HitMode", typeof(MouseHitMode), typeof(SplitButton), new PropertyMetadata(default(MouseHitMode)));
 
@@ -55,18 +50,11 @@ namespace HandyControl.Controls
             AddHandler(MenuItem.ClickEvent, new RoutedEventHandler(ItemsOnClick));
         }
 
-        public override void OnApplyTemplate()
-        {
-            base.OnApplyTemplate();
-
-            _toggleArrow = GetTemplateChild(ElementArrow) as ToggleButton;
-        }
-
         private void ItemsOnClick(object sender, RoutedEventArgs e)
         {
-            if (e.OriginalSource is ISplitButtonItem)
+            if (e.OriginalSource is MenuItem)
             {
-                SetCurrentValue(IsDropDownOpenProperty, false);
+                SetCurrentValue(IsDropDownOpenProperty, ValueBoxes.FalseBox);
             }
         }
 
@@ -78,10 +66,15 @@ namespace HandyControl.Controls
             {
                 e.Handled = true;
             }
-            else if (_toggleArrow != null && _toggleArrow.IsMouseOver)
+        }
+
+        protected override void OnMouseEnter(MouseEventArgs e)
+        {
+            base.OnMouseEnter(e);
+
+            if (HitMode == MouseHitMode.Hover)
             {
-                SetCurrentValue(IsDropDownOpenProperty, _toggleArrow.IsChecked != true);
-                e.Handled = true;
+                SetCurrentValue(IsDropDownOpenProperty, ValueBoxes.TrueBox);
             }
         }
     }

src/Shared/HandyControl_Shared/Controls/Button/SplitButton/ISplitButtonItem.cs

@@ -1,6 +0,0 @@
-namespace HandyControl.Controls
-{
-    public interface ISplitButtonItem
-    {
-    }
-}

src/Shared/HandyControl_Shared/Controls/Button/SplitButton/SplitButtonItem.cs

@@ -1,9 +0,0 @@
-using System.Windows.Controls;
-
-namespace HandyControl.Controls
-{
-    public class SplitButtonItem : MenuItem, ISplitButtonItem
-    {
-        
-    }
-}

src/Shared/HandyControl_Shared/Controls/Input/DateTimePicker.cs

@@ -147,7 +147,6 @@ namespace HandyControl.Controls
                         dp._calendarWithClock.Focus();
                     });
                 }
-
             }
         }