From db299d4fe9b0d4f2b58f2a052d70d23a426d2efb Mon Sep 17 00:00:00 2001
From: NaBian <836904362@qq.com>
Date: Wed, 27 Nov 2019 23:52:23 +0800
Subject: [PATCH] fixed #227

---
 .../Styles/Base/ScrollViewerBaseStyle.xaml    | 28 +++++++++++--------
 1 file changed, 16 insertions(+), 12 deletions(-)

diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Base/ScrollViewerBaseStyle.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Base/ScrollViewerBaseStyle.xaml
index 27c91169..8395e603 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Base/ScrollViewerBaseStyle.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Base/ScrollViewerBaseStyle.xaml
@@ -237,12 +237,14 @@
             <ScrollBar x:Name="PART_HorizontalScrollBar" Opacity="0" Style="{StaticResource ScrollBarBaseStyle}" AutomationProperties.AutomationId="HorizontalScrollBar" Cursor="Arrow" Grid.Column="0" Maximum="{TemplateBinding ScrollableWidth}" Minimum="0" Orientation="Horizontal" Grid.Row="1" Visibility="{TemplateBinding ComputedHorizontalScrollBarVisibility}" Value="{Binding HorizontalOffset, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}" ViewportSize="{TemplateBinding ViewportWidth}"/>
         </Grid>
         <ControlTemplate.Triggers>
-            <EventTrigger RoutedEvent="MouseEnter">
-                <BeginStoryboard Storyboard="{StaticResource Storyboard1}"/>
-            </EventTrigger>
-            <EventTrigger RoutedEvent="MouseLeave">
-                <BeginStoryboard Storyboard="{StaticResource Storyboard2}"/>
-            </EventTrigger>
+            <DataTrigger Binding="{Binding IsMouseOver,RelativeSource={RelativeSource Self}}" Value="True">
+                <DataTrigger.EnterActions>
+                    <BeginStoryboard Storyboard="{StaticResource Storyboard1}"/>
+                </DataTrigger.EnterActions>
+                <DataTrigger.ExitActions>
+                    <BeginStoryboard Storyboard="{StaticResource Storyboard2}"/>
+                </DataTrigger.ExitActions>
+            </DataTrigger>
         </ControlTemplate.Triggers>
     </ControlTemplate>
 
@@ -285,12 +287,14 @@
             <ScrollBar x:Name="PART_HorizontalScrollBar" Opacity="0" Style="{StaticResource ScrollBarBaseStyle}" AutomationProperties.AutomationId="HorizontalScrollBar" Cursor="Arrow" Grid.Column="0" Maximum="{TemplateBinding ScrollableWidth}" Minimum="0" Orientation="Horizontal" Grid.Row="1" Visibility="{TemplateBinding ComputedHorizontalScrollBarVisibility}" Value="{Binding HorizontalOffset, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}" ViewportSize="{TemplateBinding ViewportWidth}"/>
         </Grid>
         <ControlTemplate.Triggers>
-            <EventTrigger RoutedEvent="MouseEnter">
-                <BeginStoryboard Storyboard="{StaticResource Storyboard1}"/>
-            </EventTrigger>
-            <EventTrigger RoutedEvent="MouseLeave">
-                <BeginStoryboard Storyboard="{StaticResource Storyboard2}"/>
-            </EventTrigger>
+            <DataTrigger Binding="{Binding IsMouseOver,RelativeSource={RelativeSource Self}}" Value="True">
+                <DataTrigger.EnterActions>
+                    <BeginStoryboard Storyboard="{StaticResource Storyboard1}"/>
+                </DataTrigger.EnterActions>
+                <DataTrigger.ExitActions>
+                    <BeginStoryboard Storyboard="{StaticResource Storyboard2}"/>
+                </DataTrigger.ExitActions>
+            </DataTrigger>
         </ControlTemplate.Triggers>
     </ControlTemplate>