x:Array是通过Items属性向使用者暴露一个类型已知的ArrayList。ArrayList中成员类型由x:Array type指明
<Window x:Class="demo_05.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:sys="clr-namespace:System;assembly=mscorlib"
Title="MainWindow" Height="350" Width="400">
<Grid Background="LightBlue">
<ListBox Margin="5" ItemsSource="{x:Array Type=sys:String}"/>
<ListBox Margin="5">
<ListBox.ItemsSource>
<x:Array Type="sys:String">
<sys:String>tom</sys:String>
<sys:String>tim</sys:String>
<sys:String>victor</sys:String>
</x:Array>
</ListBox.ItemsSource>
</ListBox>
</Grid>
</Window>