最近突然发现微软自带的滚动条好挫哦

微软哒（棒棒哒）

网上找的（美美哒）

好了。

如果你想要棒棒哒，那么就不用往下看了（手动再见）。

如果你想要美美哒，就需要下面的神秘代码。

    <Style TargetType="ScrollBar">

        <Setter Property="MinWidth" Value="12" />

        <Setter Property="MinHeight" Value="12" />

        <Setter Property="Background" Value="Transparent" />

        <Setter Property="Foreground" Value="Transparent" />

        <Setter Property="BorderBrush" Value="Transparent" />

        <Setter Property="IsTabStop" Value="False" />

        <Setter Property="Template">

            <Setter.Value>

                <ControlTemplate TargetType="ScrollBar">

                    <Grid x:Name="Root">

                        <Grid.Resources>

                            <ControlTemplate x:Key="RepeatButtonTemplate" TargetType="RepeatButton">

                                <Grid x:Name="Root" Background="Transparent">

                                    <VisualStateManager.VisualStateGroups>

                                        <VisualStateGroup x:Name="CommonStates">

                                            <VisualState x:Name="Normal" />

                                        </VisualStateGroup>

                                    </VisualStateManager.VisualStateGroups>

                                </Grid>

                            </ControlTemplate>

                            <ControlTemplate x:Key="HorizontalIncrementTemplate" TargetType="RepeatButton">

                                <Grid x:Name="Root">

                                    <FontIcon

                                        x:Name="Arrow"

                                        FontFamily="{ThemeResource SymbolThemeFontFamily}"

                                        FontSize="6"

                                        Foreground="{ThemeResource SystemControlForegroundBaseHighBrush}"

                                        Glyph=""

                                        MirroredWhenRightToLeft="True" />

                                    <VisualStateManager.VisualStateGroups>

                                        <VisualStateGroup x:Name="CommonStates">

                                            <VisualState x:Name="Normal" />

                                            <VisualState x:Name="PointerOver">

                                                <Storyboard>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Root" Storyboard.TargetProperty="Background">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightBaseMediumLowBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Arrow" Storyboard.TargetProperty="Foreground">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightAltBaseHighBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                </Storyboard>

                                            </VisualState>

                                            <VisualState x:Name="Pressed">

                                                <Storyboard>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Root" Storyboard.TargetProperty="Background">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightBaseMediumBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Arrow" Storyboard.TargetProperty="Foreground">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightAltAltHighBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                </Storyboard>

                                            </VisualState>

                                            <VisualState x:Name="Disabled">

                                                <Storyboard>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Arrow" Storyboard.TargetProperty="Foreground">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlDisabledBaseHighBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                </Storyboard>

                                            </VisualState>

                                        </VisualStateGroup>

                                    </VisualStateManager.VisualStateGroups>

                                </Grid>

                            </ControlTemplate>

                            <ControlTemplate x:Key="HorizontalDecrementTemplate" TargetType="RepeatButton">

                                <Grid x:Name="Root">

                                    <FontIcon

                                        x:Name="Arrow"

                                        FontFamily="{ThemeResource SymbolThemeFontFamily}"

                                        FontSize="6"

                                        Foreground="{ThemeResource SystemControlForegroundBaseHighBrush}"

                                        Glyph=""

                                        MirroredWhenRightToLeft="True" />

                                    <VisualStateManager.VisualStateGroups>

                                        <VisualStateGroup x:Name="CommonStates">

                                            <VisualState x:Name="Normal" />

                                            <VisualState x:Name="PointerOver">

                                                <Storyboard>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Root" Storyboard.TargetProperty="Background">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightBaseMediumLowBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Arrow" Storyboard.TargetProperty="Foreground">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightAltBaseHighBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                </Storyboard>

                                            </VisualState>

                                            <VisualState x:Name="Pressed">

                                                <Storyboard>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Root" Storyboard.TargetProperty="Background">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightBaseMediumBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Arrow" Storyboard.TargetProperty="Foreground">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightAltAltHighBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                </Storyboard>

                                            </VisualState>

                                            <VisualState x:Name="Disabled">

                                                <Storyboard>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Arrow" Storyboard.TargetProperty="Foreground">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlDisabledBaseHighBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                </Storyboard>

                                            </VisualState>

                                        </VisualStateGroup>

                                    </VisualStateManager.VisualStateGroups>

                                </Grid>

                            </ControlTemplate>

                            <ControlTemplate x:Key="VerticalIncrementTemplate" TargetType="RepeatButton">

                                <Grid x:Name="Root">

                                    <FontIcon

                                        x:Name="Arrow"

                                        FontFamily="{ThemeResource SymbolThemeFontFamily}"

                                        FontSize="6"

                                        Foreground="{ThemeResource SystemControlForegroundBaseHighBrush}"

                                        Glyph="" />

                                    <VisualStateManager.VisualStateGroups>

                                        <VisualStateGroup x:Name="CommonStates">

                                            <VisualState x:Name="Normal" />

                                            <VisualState x:Name="PointerOver">

                                                <Storyboard>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Root" Storyboard.TargetProperty="Background">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightBaseMediumLowBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Arrow" Storyboard.TargetProperty="Foreground">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightAltBaseHighBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                </Storyboard>

                                            </VisualState>

                                            <VisualState x:Name="Pressed">

                                                <Storyboard>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Root" Storyboard.TargetProperty="Background">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightBaseMediumBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Arrow" Storyboard.TargetProperty="Foreground">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightAltAltHighBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                </Storyboard>

                                            </VisualState>

                                            <VisualState x:Name="Disabled">

                                                <Storyboard>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Arrow" Storyboard.TargetProperty="Foreground">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlDisabledBaseHighBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                </Storyboard>

                                            </VisualState>

                                        </VisualStateGroup>

                                    </VisualStateManager.VisualStateGroups>

                                </Grid>

                            </ControlTemplate>

                            <ControlTemplate x:Key="VerticalDecrementTemplate" TargetType="RepeatButton">

                                <Grid x:Name="Root">

                                    <FontIcon

                                        x:Name="Arrow"

                                        FontFamily="{ThemeResource SymbolThemeFontFamily}"

                                        FontSize="6"

                                        Foreground="{ThemeResource SystemControlForegroundBaseHighBrush}"

                                        Glyph="" />

                                    <VisualStateManager.VisualStateGroups>

                                        <VisualStateGroup x:Name="CommonStates">

                                            <VisualState x:Name="Normal" />

                                            <VisualState x:Name="PointerOver">

                                                <Storyboard>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Root" Storyboard.TargetProperty="Background">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightBaseMediumLowBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Arrow" Storyboard.TargetProperty="Foreground">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightAltBaseHighBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                </Storyboard>

                                            </VisualState>

                                            <VisualState x:Name="Pressed">

                                                <Storyboard>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Root" Storyboard.TargetProperty="Background">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightBaseMediumBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Arrow" Storyboard.TargetProperty="Foreground">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightAltAltHighBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                </Storyboard>

                                            </VisualState>

                                            <VisualState x:Name="Disabled">

                                                <Storyboard>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Arrow" Storyboard.TargetProperty="Foreground">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlDisabledBaseHighBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                </Storyboard>

                                            </VisualState>

                                        </VisualStateGroup>

                                    </VisualStateManager.VisualStateGroups>

                                </Grid>

                            </ControlTemplate>

                            <ControlTemplate x:Key="VerticalThumbTemplate" TargetType="Thumb">

                                <Rectangle

                                    x:Name="ThumbVisual"

                                    Fill="{ThemeResource SystemControlForegroundBaseLowBrush}"

                                    RadiusX="5"

                                    RadiusY="5">

                                    <VisualStateManager.VisualStateGroups>

                                        <VisualStateGroup x:Name="CommonStates">

                                            <VisualState x:Name="Normal" />

                                            <VisualState x:Name="PointerOver">

                                                <Storyboard>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ThumbVisual" Storyboard.TargetProperty="Fill">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightBaseMediumLowBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                </Storyboard>

                                            </VisualState>

                                            <VisualState x:Name="Pressed">

                                                <Storyboard>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ThumbVisual" Storyboard.TargetProperty="Fill">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightBaseMediumBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                </Storyboard>

                                            </VisualState>

                                            <VisualState x:Name="Disabled">

                                                <Storyboard>

                                                    <DoubleAnimation

                                                        Storyboard.TargetName="ThumbVisual"

                                                        Storyboard.TargetProperty="Opacity"

                                                        To="0"

                                                        Duration="0" />

                                                </Storyboard>

                                            </VisualState>

                                        </VisualStateGroup>

                                    </VisualStateManager.VisualStateGroups>

                                </Rectangle>

                            </ControlTemplate>

                            <ControlTemplate x:Key="HorizontalThumbTemplate" TargetType="Thumb">

                                <Rectangle

                                    x:Name="ThumbVisual"

                                    Fill="{ThemeResource SystemControlForegroundBaseLowBrush}"

                                    RadiusX="5"

                                    RadiusY="5">

                                    <VisualStateManager.VisualStateGroups>

                                        <VisualStateGroup x:Name="CommonStates">

                                            <VisualState x:Name="Normal" />

                                            <VisualState x:Name="PointerOver">

                                                <Storyboard>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ThumbVisual" Storyboard.TargetProperty="Fill">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightBaseMediumLowBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                </Storyboard>

                                            </VisualState>

                                            <VisualState x:Name="Pressed">

                                                <Storyboard>

                                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ThumbVisual" Storyboard.TargetProperty="Fill">

                                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightBaseMediumBrush}" />

                                                    </ObjectAnimationUsingKeyFrames>

                                                </Storyboard>

                                            </VisualState>

                                            <VisualState x:Name="Disabled">

                                                <Storyboard>

                                                    <DoubleAnimation

                                                        Storyboard.TargetName="ThumbVisual"

                                                        Storyboard.TargetProperty="Opacity"

                                                        To="0"

                                                        Duration="0" />

                                                </Storyboard>

                                            </VisualState>

                                        </VisualStateGroup>

                                    </VisualStateManager.VisualStateGroups>

                                </Rectangle>

                            </ControlTemplate>

                        </Grid.Resources>

                        <Grid x:Name="HorizontalRoot" IsHitTestVisible="False">

                            <Grid.ColumnDefinitions>

                                <ColumnDefinition Width="Auto" />

                                <ColumnDefinition Width="Auto" />

                                <ColumnDefinition Width="Auto" />

                                <ColumnDefinition Width="*" />

                                <ColumnDefinition Width="Auto" />

                            </Grid.ColumnDefinitions>

                            <Rectangle

                                x:Name="HorizontalTrackRect"

                                Grid.ColumnSpan="5"

                                Height="7"

                                Margin="0"

                                Fill="Transparent"

                                RadiusX="5"

                                RadiusY="5"

                                Stroke="{ThemeResource SystemControlForegroundTransparentBrush}"

                                StrokeThickness="{ThemeResource ScrollBarTrackBorderThemeThickness}" />

                            <RepeatButton

                                x:Name="HorizontalSmallDecrease"

                                Grid.Column="0"

                                Width="12"

                                MinHeight="12"

                                Margin="0"

                                VerticalAlignment="Center"

                                Interval="50"

                                IsTabStop="False"

                                Opacity="0"

                                Template="{StaticResource HorizontalDecrementTemplate}" />

                            <RepeatButton

                                x:Name="HorizontalLargeDecrease"

                                Grid.Column="1"

                                Width="0"

                                HorizontalAlignment="Stretch"

                                VerticalAlignment="Stretch"

                                Interval="50"

                                IsTabStop="False"

                                Opacity="0"

                                Template="{StaticResource RepeatButtonTemplate}" />

                            <Thumb

                                x:Name="HorizontalThumb"

                                Grid.Column="2"

                                Height="7"

                                MinWidth="12"

                                AutomationProperties.AccessibilityView="Raw"

                                Background="{ThemeResource SystemControlForegroundChromeHighBrush}"

                                Template="{StaticResource HorizontalThumbTemplate}" />

                            <RepeatButton

                                x:Name="HorizontalLargeIncrease"

                                Grid.Column="3"

                                HorizontalAlignment="Stretch"

                                VerticalAlignment="Stretch"

                                Interval="50"

                                IsTabStop="False"

                                Opacity="0"

                                Template="{StaticResource RepeatButtonTemplate}" />

                            <RepeatButton

                                x:Name="HorizontalSmallIncrease"

                                Grid.Column="4"

                                Width="12"

                                MinHeight="12"

                                Margin="0"

                                VerticalAlignment="Center"

                                Interval="50"

                                IsTabStop="False"

                                Opacity="0"

                                Template="{StaticResource HorizontalIncrementTemplate}" />

                        </Grid>

                        <Grid x:Name="HorizontalPanningRoot" MinWidth="24">

                            <Border

                                x:Name="HorizontalPanningThumb"

                                Height="2"

                                MinWidth="32"

                                Margin="0,2,0,2"

                                HorizontalAlignment="Left"

                                VerticalAlignment="Bottom"

                                Background="{ThemeResource SystemControlForegroundChromeDisabledLowBrush}"

                                BorderThickness="0" />

                        </Grid>

                        <Grid x:Name="VerticalRoot" IsHitTestVisible="False">

                            <Grid.RowDefinitions>

                                <RowDefinition Height="Auto" />

                                <RowDefinition Height="Auto" />

                                <RowDefinition Height="Auto" />

                                <RowDefinition Height="*" />

                                <RowDefinition Height="Auto" />

                            </Grid.RowDefinitions>

                            <Rectangle

                                x:Name="VerticalTrackRect"

                                Grid.RowSpan="5"

                                Height="7"

                                Margin="0"

                                RadiusX="5"

                                RadiusY="5"

                                Stroke="{ThemeResource SystemControlForegroundTransparentBrush}"

                                StrokeThickness="{ThemeResource ScrollBarTrackBorderThemeThickness}" />

                            <RepeatButton

                                x:Name="VerticalSmallDecrease"

                                Grid.Row="0"

                                Height="12"

                                MinWidth="12"

                                Margin="0"

                                HorizontalAlignment="Center"

                                Interval="50"

                                IsHitTestVisible="False"

                                IsTabStop="False"

                                Opacity="0"

                                Template="{StaticResource VerticalDecrementTemplate}" />

                            <RepeatButton

                                x:Name="VerticalLargeDecrease"

                                Grid.Row="1"

                                Height="0"

                                HorizontalAlignment="Stretch"

                                VerticalAlignment="Stretch"

                                Interval="50"

                                IsHitTestVisible="False"

                                IsTabStop="False"

                                Opacity="0"

                                Template="{StaticResource RepeatButtonTemplate}" />

                            <Thumb

                                x:Name="VerticalThumb"

                                Grid.Row="2"

                                Width="7"

                                MinHeight="12"

                                AutomationProperties.AccessibilityView="Raw"

                                Background="#FFEAEAEA"

                                Template="{StaticResource VerticalThumbTemplate}" />

                            <RepeatButton

                                x:Name="VerticalLargeIncrease"

                                Grid.Row="3"

                                HorizontalAlignment="Stretch"

                                VerticalAlignment="Stretch"

                                Interval="50"

                                IsHitTestVisible="False"

                                IsTabStop="False"

                                Opacity="0"

                                Template="{StaticResource RepeatButtonTemplate}" />

                            <RepeatButton

                                x:Name="VerticalSmallIncrease"

                                Grid.Row="4"

                                Height="12"

                                MinWidth="12"

                                Margin="0"

                                HorizontalAlignment="Center"

                                Interval="50"

                                IsHitTestVisible="False"

                                IsTabStop="False"

                                Opacity="0"

                                Template="{StaticResource VerticalIncrementTemplate}" />

                        </Grid>

                        <Grid x:Name="VerticalPanningRoot" MinHeight="24">

                            <Border

                                x:Name="VerticalPanningThumb"

                                Width="2"

                                MinHeight="32"

                                Margin="2,0,2,0"

                                HorizontalAlignment="Right"

                                VerticalAlignment="Top"

                                Background="#FFEAEAEA"

                                BorderThickness="0" />

                        </Grid>

                        <VisualStateManager.VisualStateGroups>

                            <VisualStateGroup x:Name="CommonStates">

                                <VisualState x:Name="Normal" />

                                <VisualState x:Name="PointerOver" />

                                <VisualState x:Name="Disabled">

                                    <Storyboard>

                                        <DoubleAnimation

                                            Storyboard.TargetName="Root"

                                            Storyboard.TargetProperty="Opacity"

                                            To="0.5"

                                            Duration="0" />

                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HorizontalTrackRect" Storyboard.TargetProperty="Stroke">

                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlDisabledTransparentBrush}" />

                                        </ObjectAnimationUsingKeyFrames>

                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="VerticalTrackRect" Storyboard.TargetProperty="Stroke">

                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlDisabledTransparentBrush}" />

                                        </ObjectAnimationUsingKeyFrames>

                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HorizontalPanningThumb" Storyboard.TargetProperty="Background">

                                            <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlDisabledChromeHighBrush}" />

                                        </ObjectAnimationUsingKeyFrames>

                                    </Storyboard>

                                </VisualState>

                            </VisualStateGroup>

                            <VisualStateGroup x:Name="ScrollingIndicatorStates">

                                <VisualState x:Name="TouchIndicator">

                                    <Storyboard>

                                        <FadeInThemeAnimation TargetName="HorizontalPanningRoot" />

                                        <FadeInThemeAnimation TargetName="VerticalPanningRoot" />

                                        <FadeOutThemeAnimation TargetName="HorizontalRoot" />

                                        <FadeOutThemeAnimation TargetName="VerticalRoot" />

                                        <ObjectAnimationUsingKeyFrames

                                            Storyboard.TargetName="HorizontalRoot"

                                            Storyboard.TargetProperty="Visibility"

                                            Duration="0">

                                            <DiscreteObjectKeyFrame KeyTime="0">

                                                <DiscreteObjectKeyFrame.Value>

                                                    <Visibility>Collapsed</Visibility>

                                                </DiscreteObjectKeyFrame.Value>

                                            </DiscreteObjectKeyFrame>

                                        </ObjectAnimationUsingKeyFrames>

                                        <ObjectAnimationUsingKeyFrames

                                            Storyboard.TargetName="VerticalRoot"

                                            Storyboard.TargetProperty="Visibility"

                                            Duration="0">

                                            <DiscreteObjectKeyFrame KeyTime="0">

                                                <DiscreteObjectKeyFrame.Value>

                                                    <Visibility>Collapsed</Visibility>

                                                </DiscreteObjectKeyFrame.Value>

                                            </DiscreteObjectKeyFrame>

                                        </ObjectAnimationUsingKeyFrames>

                                    </Storyboard>

                                </VisualState>

                                <VisualState x:Name="MouseIndicator">

                                    <Storyboard>

                                        <FadeInThemeAnimation TargetName="HorizontalRoot" />

                                        <FadeInThemeAnimation TargetName="VerticalRoot" />

                                        <FadeOutThemeAnimation TargetName="HorizontalPanningRoot" />

                                        <ObjectAnimationUsingKeyFrames

                                            Storyboard.TargetName="HorizontalPanningRoot"

                                            Storyboard.TargetProperty="Visibility"

                                            Duration="0">

                                            <DiscreteObjectKeyFrame KeyTime="0">

                                                <DiscreteObjectKeyFrame.Value>

                                                    <Visibility>Collapsed</Visibility>

                                                </DiscreteObjectKeyFrame.Value>

                                            </DiscreteObjectKeyFrame>

                                        </ObjectAnimationUsingKeyFrames>

                                        <FadeOutThemeAnimation TargetName="VerticalPanningRoot" />

                                        <ObjectAnimationUsingKeyFrames

                                            Storyboard.TargetName="VerticalPanningRoot"

                                            Storyboard.TargetProperty="Visibility"

                                            Duration="0">

                                            <DiscreteObjectKeyFrame KeyTime="0">

                                                <DiscreteObjectKeyFrame.Value>

                                                    <Visibility>Collapsed</Visibility>

                                                </DiscreteObjectKeyFrame.Value>

                                            </DiscreteObjectKeyFrame>

                                        </ObjectAnimationUsingKeyFrames>

                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HorizontalRoot" Storyboard.TargetProperty="IsHitTestVisible">

                                            <DiscreteObjectKeyFrame KeyTime="0">

                                                <DiscreteObjectKeyFrame.Value>

                                                    <x:Boolean>True</x:Boolean>

                                                </DiscreteObjectKeyFrame.Value>

                                            </DiscreteObjectKeyFrame>

                                        </ObjectAnimationUsingKeyFrames>

                                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="VerticalRoot" Storyboard.TargetProperty="IsHitTestVisible">

                                            <DiscreteObjectKeyFrame KeyTime="0">

                                                <DiscreteObjectKeyFrame.Value>

                                                    <x:Boolean>True</x:Boolean>

                                                </DiscreteObjectKeyFrame.Value>

                                            </DiscreteObjectKeyFrame>

                                        </ObjectAnimationUsingKeyFrames>

                                    </Storyboard>

                                </VisualState>

                                <VisualState x:Name="NoIndicator">

                                    <Storyboard>

                                        <FadeOutThemeAnimation BeginTime="0" TargetName="HorizontalPanningRoot" />

                                        <FadeOutThemeAnimation BeginTime="0" TargetName="VerticalPanningRoot" />

                                        <FadeOutThemeAnimation BeginTime="0" TargetName="HorizontalRoot" />

                                        <FadeOutThemeAnimation BeginTime="0" TargetName="VerticalRoot" />

                                    </Storyboard>

                                </VisualState>

                            </VisualStateGroup>

                        </VisualStateManager.VisualStateGroups>

                    </Grid>

                </ControlTemplate>

            </Setter.Value>

        </Setter>

    </Style>

这段神秘代码可以应用在ScrollViewer, ListView, TextBox(多行)，GridView等等。

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