WPF 与Surface 2.0 SDK 亲密接触–LibraryStack 篇

LibraryStack 本身属于ItemsControl，可以将其他组件以一种集合的方式显示出来，用户可以在LibraryStack 中逐一浏览如图片类的组件，而且它默认支持拖拽操作。 在下面的例子中我们将通过LibraryStack 展示一组图片。首先，为LibraryStack 编写一个DataTemplat

LibraryStack 本身属于ItemsControl，可以将其他组件以一种集合的方式显示出来，用户可以在LibraryStack 中逐一浏览如图片类的组件，而且它默认支持拖拽操作。

在下面的例子中我们将通过LibraryStack 展示一组图片。首先，为LibraryStack 编写一个DataTemplate 用来绑定图片样式。接下来在Gr本文来源gao@dai!ma.com搞$代^码!网7id 中添加LibraryStack 控件，并设置好数据模板。

<span><</span><span>s</span><span>:</span><span>SurfaceWindow </span><span>x</span><span>:</span><span>Class</span><span>="Demo.SurfaceWindow1"    </span><span>xmlns</span><span>="http://schemas.microsoft.com/winfx/2006/xaml/presentation"    </span><span>xmlns</span><span>:</span><span>x</span><span>="http://schemas.microsoft.com/winfx/2006/xaml"    </span><span>xmlns</span><span>:</span><span>s</span><span>="http://schemas.microsoft.com/surface/2008"    </span><span>Title</span><span>="LibraryStack">    <</span><span>s</span><span>:</span><span>SurfaceWindow.Resources</span><span>>        <</span><span>DataTemplate </span><span>x</span><span>:</span><span>Key</span><span>="ItemTemplate">            <</span><span>Image </span><span>Source</span><span>="{</span><span>Binding</span><span>}"/>        </</span><span>DataTemplate</span><span>>    </</span><span>s</span><span>:</span><span>SurfaceWindow.Resources</span><span>>    <</span><span>Grid</span><span>>        <</span><span>s</span><span>:</span><span>LibraryStack </span><span>x:Name</span><span>="mLibraryStack"                         </span><span>ItemTemplate</span><span>="{</span><span>StaticResource </span><span>ItemTemplate</span><span>}"/>    </</span><span>Grid</span><span>></</span><span>s</span><span>:</span><span>SurfaceWindow</span><span>></span>

最后，为LiraryStack 添加数据源。注意，不能将图片string[] 数组直接赋给LiraryStack，需要借助ObservableCollection。

<span>string </span>imagesPath = <span>@"C:\Users\Public\Pictures\Sample Pictures\"</span>;<span>try</span>{    <span>string</span>[] files = System.IO.<span>Directory</span>.GetFiles(imagesPath, <span>"*.jpg"</span>);    <span>ObservableCollection</span><<span>string</span>> items = <span>new </span><span>ObservableCollection</span><<span>string</span>>(files);    mLibraryStack.ItemsSource = items;}<span>catch </span>(System.IO.<span>DirectoryNotFoundException</span>){    <span>// Error info.</span>}

运行界面：

作者：李敬然（Gnie）
出处：{GnieTech} （http://www.cnblogs.com/gnielee/）

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