我的应用程序使用XAMLToolkit中的treeview控件,它在Win 8.1环境中运行良好.但在Windows 10下,它给了我以下错误.
请帮忙.
这是我用过的XAMLToolkit版本：
nuget.org/packages/winrtxamltoolkit.windows
异常消息：
System.Runtime.InteropServices.COMException: Error HRESULT E_FAIL has been returned from a call to a COM component.
at Windows.UI.Xaml.Controls.ItemsControl.get_ItemTemplate()
at WinRTXamlToolkit.Controls.HeaderedItemsControl.PrepareHeaderedItemsControlContainer(HeaderedItemsControl control,Object item,ItemsControl parentItemsControl,Style parentItemContainerStyle)
at WinRTXamlToolkit.Controls.HeaderedItemsControl.PrepareHeaderedItemsControlContainerForItemOverride(DependencyObject element,O
堆栈跟踪：
at Windows.UI.Xaml.Controls.ItemsControl.get_ItemTemplate()
at WinRTXamlToolkit.Controls.HeaderedItemsControl.PrepareHeaderedItemsControlContainer(HeaderedItemsControl control,ItemsControl parent,Style parentItemContainerStyle)
at WinRTXamlToolkit.Controls.TreeView.PrepareContainerForItemOverride(DependencyObject element,Object item)
at Windows.UI.Xaml.FrameworkElement.MeasureOverride(Size availableSize)
内部异常为空
解决方法
<Page.Resources>
<DataTemplate x:Name="TreeViewItemTemplate">
<Grid>
<TextBlock Text="{Binding Name}" />
</Grid>
<XCDATA:DataTemplateExtensions.Hierarchy>
<XCDATA:HierarchicalDataTemplate ItemsSource="{Binding Items}" />
</XCDATA:DataTemplateExtensions.Hierarchy>
</DataTemplate>
</Page.Resources>
<XC:TreeView
ItemTemplate="{StaticResource TreeViewItemTemplate}"
ItemsSource="{Binding ObjShopItems}">
</XC:TreeView>
