/// <summary>
/// Adds the current element to the collection of selected items.
/// </summary>
/// <remarks>
/// This API supports the .NET Framework infrastructure and is not
/// intended to be used directly from your code.
/// </remarks>
void ISelectionItemProvider.AddToSelection()
{
TreeViewItem owner = OwnerTreeViewItem;
UiCore.Controls.TreeView.TreeView parent = owner.ParentTreeView;
if (parent == null || (parent.SelectedItem != null && parent.SelectedContainer != Owner))
{
throw new InvalidOperationException("Controls.Properties.Resources.Automation_OperationCannotBePerformed");
}
owner.IsSelected = true;
}
/// <summary>
/// Scrolls the content area of a container object in order to display
/// the control within the visible region (viewport) of the container.
/// </summary>
/// <remarks>
/// This API supports the .NET Framework infrastructure and is not
/// intended to be used directly from your code.
/// </remarks>
void IScrollItemProvider.ScrollIntoView()
{
// Note: WPF just calls BringIntoView on the current TreeViewItem.
// This actually raises an event that can be handled by the
// its containers. Silverlight doesn't support this, so we will
// approximate by moving scrolling the TreeView's ScrollHost to the
// item.
// Get the parent TreeView
TreeViewItem owner = OwnerTreeViewItem;
UiCore.Controls.TreeView.TreeView parent = owner.ParentTreeView;
if (parent == null)
{
return;
}
// Scroll the item into view
parent.ItemsControlHelper.ScrollIntoView(owner);
}
