FlowchartEditor完成

AIStudio.Wpf.DiagramDesigner/Styles/ScrollViewer.xaml

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+<ResourceDictionary 
+  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" >
+
+  <!-- SimpleStyles: ScrollViewer -->
+
+  <Style x:Key="LeftScrollViewer" TargetType="{x:Type ScrollViewer}">
+    <Setter Property="OverridesDefaultStyle" Value="True"/>
+    <Setter Property="Template">
+      <Setter.Value>
+        <ControlTemplate TargetType="{x:Type ScrollViewer}">
+          <Grid>
+            <Grid.ColumnDefinitions>
+              <ColumnDefinition Width="Auto"/>
+              <ColumnDefinition/>
+            </Grid.ColumnDefinitions>
+            <Grid.RowDefinitions>
+              <RowDefinition/>
+              <RowDefinition Height="Auto"/>
+            </Grid.RowDefinitions>
+
+            <ScrollContentPresenter Grid.Column="1"/>
+
+            <ScrollBar Name="PART_VerticalScrollBar"
+              Value="{TemplateBinding VerticalOffset}"
+              Maximum="{TemplateBinding ScrollableHeight}"
+              ViewportSize="{TemplateBinding ViewportHeight}"
+              Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}"/>
+            <ScrollBar Name="PART_HorizontalScrollBar"
+              Orientation="Horizontal"
+              Grid.Row="1"
+              Grid.Column="1"
+              Value="{TemplateBinding HorizontalOffset}"
+              Maximum="{TemplateBinding ScrollableWidth}"
+              ViewportSize="{TemplateBinding ViewportWidth}"
+              Visibility="{TemplateBinding ComputedHorizontalScrollBarVisibility}"/>
+            
+          </Grid>
+        </ControlTemplate>
+      </Setter.Value>
+    </Setter>
+  </Style>
+</ResourceDictionary>