优化更新代码，添加界面功能并整合

WPFluent/Controls/ContextMenu/ContextMenu.xaml

@@ -0,0 +1,69 @@
+<!--
+    This Source Code Form is subject to the terms of the MIT License.
+    If a copy of the MIT was not distributed with this file, You can obtain one at https://opensource.org/licenses/MIT.
+    Copyright (C) Leszek Pomianowski and WPF UI Contributors.
+    All Rights Reserved.
+-->
+
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+
+    <Style x:Key="UiContextMenu" TargetType="{x:Type ContextMenu}">
+        <Setter Property="TextElement.Foreground" Value="{DynamicResource ContextMenuForeground}" />
+        <Setter Property="Foreground" Value="{DynamicResource ContextMenuForeground}" />
+        <Setter Property="Background" Value="{DynamicResource ContextMenuBackground}" />
+        <Setter Property="BorderBrush" Value="{DynamicResource ContextMenuBorderBrush}" />
+        <Setter Property="MinWidth" Value="140" />
+        <Setter Property="Padding" Value="0" />
+        <Setter Property="Margin" Value="0" />
+        <Setter Property="HasDropShadow" Value="False" />
+        <Setter Property="Grid.IsSharedSizeScope" Value="True" />
+        <Setter Property="Popup.PopupAnimation" Value="None" />
+        <Setter Property="SnapsToDevicePixels" Value="True" />
+        <Setter Property="OverridesDefaultStyle" Value="True" />
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type ContextMenu}">
+                    <Border
+                        x:Name="Border"
+                        Padding="0,3,0,3"
+                        Background="{TemplateBinding Background}"
+                        BorderBrush="{TemplateBinding BorderBrush}"
+                        BorderThickness="1"
+                        CornerRadius="8">
+                        <Border.RenderTransform>
+                            <TranslateTransform />
+                        </Border.RenderTransform>
+                        <StackPanel
+                            ClipToBounds="True"
+                            IsItemsHost="True"
+                            KeyboardNavigation.DirectionalNavigation="Cycle"
+                            Orientation="Vertical" />
+                    </Border>
+                    <ControlTemplate.Triggers>
+                        <Trigger Property="IsOpen" Value="True">
+                            <Trigger.EnterActions>
+                                <BeginStoryboard>
+                                    <Storyboard>
+                                        <DoubleAnimation
+                                            Storyboard.TargetName="Border"
+                                            Storyboard.TargetProperty="(Border.RenderTransform).(TranslateTransform.Y)"
+                                            From="-90"
+                                            To="0"
+                                            Duration="00:00:00.167">
+                                            <DoubleAnimation.EasingFunction>
+                                                <CircleEase EasingMode="EaseOut" />
+                                            </DoubleAnimation.EasingFunction>
+                                        </DoubleAnimation>
+                                    </Storyboard>
+                                </BeginStoryboard>
+                            </Trigger.EnterActions>
+                        </Trigger>
+                    </ControlTemplate.Triggers>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+
+    <Style BasedOn="{StaticResource UiContextMenu}" TargetType="{x:Type ContextMenu}" />
+
+</ResourceDictionary>