private void SelectWithShift(TreeViewExItem item)
{
object firstSelectedItem;
if (lastShiftRoot != null)
{
firstSelectedItem = lastShiftRoot;
}
else
{
if (treeViewEx.SelectedItems.Count > 0)
{
firstSelectedItem = treeViewEx.SelectedItems[0];
}
else
{
firstSelectedItem = null;
}
}
TreeViewExItem shiftRootItem = treeViewEx.GetTreeViewItemsFor(new List <object> {
firstSelectedItem
}).First();
List <object> itemsToSelect = treeViewEx.GetNodesToSelectBetween(shiftRootItem, item).Select(x => x.DataContext).ToList();
List <object> itemsToUnSelect = ((IEnumerable <object>)treeViewEx.SelectedItems).ToList();
ModifySelection(itemsToSelect, itemsToUnSelect);
}
IRawElementProviderSimple[] ISelectionProvider.GetSelection()
{
List <IRawElementProviderSimple> list = new List <IRawElementProviderSimple>();
TreeViewEx treeView = (TreeViewEx)Owner;
foreach (var item in treeView.GetTreeViewItemsFor(treeView.SelectedItems))
{
list.Add(new TreeViewExItemAutomationPeer(item, this));
}
return(list.ToArray());
}
