优化更新代码，添加界面功能并整合

WPFluent/Controls/ThumbRate/ThumbRate.xaml

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+<!--
+    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"
+    xmlns:controls="clr-namespace:WPFluent.Controls">
+
+    <Style x:Key="DefaultUiThumbRateStyle" TargetType="{x:Type controls:ThumbRate}">
+        <Setter Property="Background" Value="Transparent" />
+        <Setter Property="Foreground" Value="{DynamicResource ThumbRateForeground}" />
+        <Setter Property="FontSize" Value="24" />
+        <Setter Property="Focusable" Value="False" />
+        <Setter Property="KeyboardNavigation.IsTabStop" Value="False" />
+        <Setter Property="SnapsToDevicePixels" Value="True" />
+        <Setter Property="OverridesDefaultStyle" Value="True" />
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type controls:ThumbRate}">
+                    <Grid>
+                        <Grid.ColumnDefinitions>
+                            <ColumnDefinition Width="Auto" />
+                            <ColumnDefinition Width="Auto" />
+                        </Grid.ColumnDefinitions>
+
+                        <controls:Button
+                            Grid.Column="0"
+                            Background="Transparent"
+                            BorderBrush="Transparent"
+                            Command="{Binding Path=TemplateButtonCommand, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}"
+                            CommandParameter="{x:Static controls:ThumbRateState.Liked}"
+                            Foreground="{TemplateBinding Foreground}">
+                            <controls:SymbolIcon
+                                x:Name="ThumbsUpButtonIcon"
+                                FontSize="{TemplateBinding FontSize}"
+                                Symbol="ThumbLike24" />
+                        </controls:Button>
+
+                        <controls:Button
+                            Grid.Column="1"
+                            Background="Transparent"
+                            BorderBrush="Transparent"
+                            Command="{Binding Path=TemplateButtonCommand, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}"
+                            CommandParameter="{x:Static controls:ThumbRateState.Disliked}"
+                            Foreground="{TemplateBinding Foreground}">
+                            <controls:SymbolIcon
+                                x:Name="ThumbsDownButtonIcon"
+                                FontSize="{TemplateBinding FontSize}"
+                                Symbol="ThumbDislike24" />
+                        </controls:Button>
+                    </Grid>
+                    <ControlTemplate.Triggers>
+                        <Trigger Property="State" Value="Liked">
+                            <Setter TargetName="ThumbsUpButtonIcon" Property="Filled" Value="True" />
+                        </Trigger>
+                        <Trigger Property="State" Value="Disliked">
+                            <Setter TargetName="ThumbsDownButtonIcon" Property="Filled" Value="True" />
+                        </Trigger>
+                    </ControlTemplate.Triggers>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+
+    <Style BasedOn="{StaticResource DefaultUiThumbRateStyle}" TargetType="{x:Type controls:ThumbRate}" />
+
+</ResourceDictionary>