第12行是出错语句
MouseDoubleClick="Control_OnMouseDoubleClick"
<ItemsControl
ItemsSource="{Binding TagList}">
<ItemsControl.ItemsPanel>
<ItemsPanelTemplate>
<WrapPanel Orientation="Horizontal">
</WrapPanel>
</ItemsPanelTemplate>
</ItemsControl.ItemsPanel>
<ItemsControl.ItemTemplate>
<DataTemplate>
<ContentControl
MouseDoubleClick="Control_OnMouseDoubleClick"
Content="{Binding }"
ContentTemplateSelector="{StaticResource TagDataTemplateSelector}">
</ContentControl>
</DataTemplate>
</ItemsControl.ItemTemplate>
</ItemsControl>