<ScrollViewer FocusVisualStyle="{x:Null}"><ItemsPresenter SnapsToDevicePixels="{TemplateBinding UIElement.SnapsToDevicePixels}"/></ScrollViewer>

    /// <summary>///   获取或设置一个值，该值指示是否支持元素 <see cref="T:System.Windows.Controls.Primitives.IScrollInfo" /> 接口允许滚动。/// </summary>/// <returns>///   <see langword="true" /> 如果 <see cref="T:System.Windows.Controls.ScrollViewer" /> 执行滚动操作使得在逻辑单元; 方面 <see langword="false" /> 如果 <see cref="T:System.Windows.Controls.ScrollViewer" /> 执行滚动操作使得在物理单元方面。///    默认值为 <see langword="false" />。/// </returns>public bool CanContentScroll{get{return (bool) this.GetValue(ScrollViewer.CanContentScrollProperty);}set{this.SetValue(ScrollViewer.CanContentScrollProperty, value);}}

    /// <summary>///   标识 <see cref="P:System.Windows.Controls.ScrollViewer.CanContentScroll" /> 依赖属性。/// </summary>/// <returns>///   <see cref="P:System.Windows.Controls.ScrollViewer.CanContentScroll" /> 依赖项属性的标识符。/// </returns>
    [CommonDependencyProperty]public static readonly DependencyProperty CanContentScrollProperty = DependencyProperty.RegisterAttached(nameof (CanContentScroll), typeof (bool), typeof (ScrollViewer), (PropertyMetadata) new FrameworkPropertyMetadata(BooleanBoxes.FalseBox));

  [FriendAccessAllowed]internal static class BooleanBoxes{internal static object TrueBox = (object) true;internal static object FalseBox = (object) false;internal static object Box(bool value){if (value)return BooleanBoxes.TrueBox;return BooleanBoxes.FalseBox;}}