From a2a6f04411749f20c567f902b87d54e88372e4bf Mon Sep 17 00:00:00 2001
From: seedtyx <bravetofu@hotmail.com>
Date: Mon, 9 Mar 2020 20:21:28 +0800
Subject: [PATCH] =?UTF-8?q?=E6=A0=B7=E5=BC=8F=E4=B8=AD=E7=9A=84ItemsPresen?=
 =?UTF-8?q?ter=E5=8A=A0=E4=B8=8Ax:Name=3D"ItemsPresenter"?=
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如题，不加会导致虚拟化失败
---
 .../Themes/Styles/Base/ComboBoxBaseStyle.xaml | 26 +++++++++----------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/src/Net_40/HandyControl_Net_40/Themes/Styles/Base/ComboBoxBaseStyle.xaml b/src/Net_40/HandyControl_Net_40/Themes/Styles/Base/ComboBoxBaseStyle.xaml
index 345a0d45..221e66e8 100644
--- a/src/Net_40/HandyControl_Net_40/Themes/Styles/Base/ComboBoxBaseStyle.xaml
+++ b/src/Net_40/HandyControl_Net_40/Themes/Styles/Base/ComboBoxBaseStyle.xaml
@@ -86,7 +86,7 @@
                             <Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
                                 <Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
                             </Canvas>
-                            <ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
+                            <ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
                         </controls:SimplePanel>
                     </ScrollViewer>
                 </Border>
@@ -145,7 +145,7 @@
                             <Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
                                 <Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
                             </Canvas>
-                            <ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
+                            <ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
                         </controls:SimplePanel>
                     </ScrollViewer>
                 </Border>
@@ -202,7 +202,7 @@
                             <Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
                                 <Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
                             </Canvas>
-                            <ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
+                            <ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
                         </controls:SimplePanel>
                     </ScrollViewer>
                 </Border>
@@ -273,7 +273,7 @@
                             <Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
                                 <Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
                             </Canvas>
-                            <ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
+                            <ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
                         </controls:SimplePanel>
                     </ScrollViewer>
                 </Border>
@@ -332,7 +332,7 @@
                             <Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
                                 <Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
                             </Canvas>
-                            <ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
+                            <ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
                         </controls:SimplePanel>
                     </ScrollViewer>
                 </Border>
@@ -389,7 +389,7 @@
                             <Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
                                 <Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
                             </Canvas>
-                            <ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
+                            <ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
                         </controls:SimplePanel>
                     </ScrollViewer>
                 </Border>
@@ -555,7 +555,7 @@
                             <Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
                                 <Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
                             </Canvas>
-                            <ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
+                            <ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
                         </controls:SimplePanel>
                     </ScrollViewer>
                 </Border>
@@ -652,7 +652,7 @@
                             <Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
                                 <Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
                             </Canvas>
-                            <ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
+                            <ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
                         </controls:SimplePanel>
                     </ScrollViewer>
                 </Border>
@@ -752,7 +752,7 @@
                             <Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
                                 <Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
                             </Canvas>
-                            <ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
+                            <ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
                         </controls:SimplePanel>
                     </ScrollViewer>
                 </Border>
@@ -869,7 +869,7 @@
                             <Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
                                 <Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
                             </Canvas>
-                            <ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
+                            <ItemsPresenter x:Name="ItemsPresenter" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
                         </controls:SimplePanel>
                     </ScrollViewer>
                 </Border>
@@ -1001,7 +1001,7 @@
                             <Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
                                 <Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
                             </Canvas>
-                            <ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
+                            <ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
                         </controls:SimplePanel>
                     </ScrollViewer>
                 </Border>
@@ -1115,7 +1115,7 @@
                             <Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
                                 <Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
                             </Canvas>
-                            <ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
+                            <ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
                         </controls:SimplePanel>
                     </ScrollViewer>
                 </Border>
@@ -1264,4 +1264,4 @@
         </Style.Triggers>
     </Style>
 
-</ResourceDictionary>
\ No newline at end of file
+</ResourceDictionary>