样式中的ItemsPresenter加上x:Name="ItemsPresenter"
如题，否则虚拟化失效
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seedtyx authored and GitHub committed
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@@ -86,7 +86,7 @@
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<Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
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<Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
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</Canvas>
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<ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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<ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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</controls:SimplePanel>
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</ScrollViewer>
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</Border>
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@@ -152,7 +152,7 @@
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<Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
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<Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
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</Canvas>
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<ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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<ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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</controls:SimplePanel>
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</ScrollViewer>
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</Border>
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@@ -216,7 +216,7 @@
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<Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
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<Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
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</Canvas>
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<ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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<ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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</controls:SimplePanel>
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</ScrollViewer>
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</Border>
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@@ -294,7 +294,7 @@
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<Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
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<Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
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</Canvas>
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<ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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<ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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</controls:SimplePanel>
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</ScrollViewer>
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</Border>
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@@ -360,7 +360,7 @@
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<Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
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<Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
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</Canvas>
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<ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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<ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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</controls:SimplePanel>
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</ScrollViewer>
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</Border>
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@@ -424,7 +424,7 @@
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<Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
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<Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
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</Canvas>
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<ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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<ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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</controls:SimplePanel>
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</ScrollViewer>
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</Border>
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@@ -597,7 +597,7 @@
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<Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
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<Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
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</Canvas>
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<ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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<ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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</controls:SimplePanel>
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</ScrollViewer>
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</Border>
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@@ -701,7 +701,7 @@
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<Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
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<Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
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</Canvas>
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<ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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<ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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</controls:SimplePanel>
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</ScrollViewer>
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</Border>
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@@ -808,7 +808,7 @@
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<Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
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<Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
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</Canvas>
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<ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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<ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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</controls:SimplePanel>
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</ScrollViewer>
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</Border>
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@@ -932,7 +932,7 @@
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<Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
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<Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
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</Canvas>
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<ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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<ItemsPresenter x:Name="ItemsPresenter" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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</controls:SimplePanel>
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</ScrollViewer>
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</Border>
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@@ -1071,7 +1071,7 @@
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<Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
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<Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
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</Canvas>
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<ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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<ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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</controls:SimplePanel>
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</ScrollViewer>
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</Border>
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@@ -1192,7 +1192,7 @@
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<Canvas HorizontalAlignment="Left" Height="0" VerticalAlignment="Top" Width="0">
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<Rectangle x:Name="opaqueRect" Fill="{Binding Background, ElementName=dropDownBorder}" Height="{Binding ActualHeight, ElementName=dropDownBorder}" Width="{Binding ActualWidth, ElementName=dropDownBorder}"/>
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</Canvas>
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<ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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<ItemsPresenter x:Name="ItemsPresenter" KeyboardNavigation.DirectionalNavigation="Contained" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
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</controls:SimplePanel>
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</ScrollViewer>
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</Border>
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@@ -1348,4 +1348,4 @@
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</Style.Triggers>
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</Style>
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</ResourceDictionary>
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</ResourceDictionary>
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