UI-调整属性面板标头UI(居中显示)

PDF Office/Styles/TabControlStyle.xaml

@@ -483,6 +483,7 @@
                         <Border
                             Grid.Row="0"
                             Grid.Column="0"
+                            HorizontalAlignment="Center"
                             Background="{StaticResource color.sys.layout.fg.dark}"
                             CornerRadius="4">
                             <TabPanel

PDF Office/Views/ViewContent.xaml

@@ -289,8 +289,8 @@
                 Grid.Column="2"
                 HorizontalAlignment="Stretch"
                 prism:RegionManager.RegionName="{Binding ViwerRegionName}" />
-            <ScrollViewer Grid.Column="4" VerticalScrollBarVisibility="Auto">
-                <ContentControl prism:RegionManager.RegionName="{Binding PropertyRegionName}" />
+            <ScrollViewer Name="Scroller" Grid.Column="4" Focusable="False" VerticalScrollBarVisibility="Auto">
+                <ContentControl Height="{Binding ElementName=Scroller, Path=ViewportHeight}" prism:RegionManager.RegionName="{Binding PropertyRegionName}" />
             </ScrollViewer>
         </Grid>