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Grid 中添加LibraryStack 控件，并设置好数据模板。

<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>s</span><span>:</span><span>SurfaceWindow.Resources</span><span>>
        <span>DataTemplate </span><span>x</span><span>:</span><span>Key</span><span>="ItemTemplate">
            <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>Grid</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></span></span></span></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>string> items = <span>new </span><span>ObservableCollection</span>string>(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/）