compdfkit demo windows - listbox 横向自动布局

compdfkit_demo_windows/compdfkit/compdfkit-tools/PDFView/PDFThumbnail/PDFThumbnailUI/CPdfThumbnailUI.xaml

@@ -4,10 +4,16 @@
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
              xmlns:local="clr-namespace:compdfkit_tools.PDFControlUI"
+             xmlns:wpftk="clr-namespace:WpfToolkit.Controls;assembly=VirtualizingWrapPanel"
              mc:Ignorable="d" 
              d:DesignHeight="450" d:DesignWidth="800">
     <Grid>
-        <ListBox Name="ThumbListBox" SelectionChanged="ThumbListBox_SelectionChanged" SelectionMode="Single" ScrollViewer.ScrollChanged="ThumbListBox_ScrollChanged">
+        <ListBox Name="ThumbListBox" SelectionChanged="ThumbListBox_SelectionChanged" SelectionMode="Single" ScrollViewer.ScrollChanged="ThumbListBox_ScrollChanged" >
+            <ListBox.ItemsPanel>
+                <ItemsPanelTemplate>
+                    <wpftk:VirtualizingWrapPanel></wpftk:VirtualizingWrapPanel>
+                </ItemsPanelTemplate>
+            </ListBox.ItemsPanel>
             <ListBox.ItemTemplate>
                 <DataTemplate>
                     <StackPanel>

compdfkit_demo_windows/compdfkit/compdfkit-tools/compdfkit-tools.csproj

@@ -57,6 +57,9 @@
     <Reference Include="System.Xaml">
       <RequiredTargetFramework>4.0</RequiredTargetFramework>
     </Reference>
+    <Reference Include="VirtualizingWrapPanel">
+      <HintPath>.\VirtualizingWrapPanel.dll</HintPath>
+    </Reference>
     <Reference Include="WindowsBase" />
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
@@ -190,7 +193,11 @@
       <LastGenOutput>Settings.Designer.cs</LastGenOutput>
     </None>
   </ItemGroup>
-  <ItemGroup />
+  <ItemGroup>
+    <Content Include="VirtualizingWrapPanel.dll">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+  </ItemGroup>
   <ItemGroup>
     <Page Include="Annotation\PDFAnnotationControl\CPDFAnnotationControl.xaml">
       <SubType>Designer</SubType>