/*
* public MSTreeViewItem GetItemFromData(int i)
* {
* return (MSTreeViewItem)(this.ItemContainerGenerator.ContainerFromIndex(i));
* }
*/
private MSTreeViewItem HasSidlingItem(MSTreeViewItem item)
{
MSTreeViewItem parent = item.GetParentTreeViewItem();
if (parent == null)
{
return(null);
}
MSTreeViewItem sidling = null;
foreach (var obj in parent.Items)
{
//object i = GetItemFromData(parent.Items.IndexOf(obj));
// if (obj == null)
// continue;
MSTreeViewItem i = parent.GetChildItemFromData(obj);
if (i != item && i.IsSelected)
{
sidling = i;
break;
}
}
return(sidling);
}
private void SelectBetween(MSTreeViewItem item1, MSTreeViewItem item2)
{
//if (item1.Parent != item2.Parent)
// return;
MSTreeViewItem parent = item1.GetParentTreeViewItem();
int index_1 = parent.Items.IndexOf(item1.DataContext);
int index_2 = parent.Items.IndexOf(item2.DataContext);
if (index_1 < index_2)
{
for (int i = index_1; i < index_2; i++)
{
MSTreeViewItem item = parent.GetChildItemFromData(parent.Items[i]);
if (item == null)
{
continue;
}
item.Select();
}
}
if (index_1 > index_2)
{
for (int i = index_1; i > index_2; i--)
{
MSTreeViewItem item = parent.GetChildItemFromData(parent.Items[i]);
if (item == null)
{
continue;
}
item.Select();
}
}
SortSelectedItems(parent.Items);
}