private void ExpandSourceTreeButOnlyFor(IList <TextElement> list)
{
try
{
CodeSourceTreeIsCollapsing = true;
List <TreeViewItem> expandedItems = new List <TreeViewItem>();
foreach (TextElement te in list)
{
TreeViewItem tvi = Parser.TextElementToTreeViewItem(te);
while (tvi != null)
{
expandedItems.Add(tvi);
tvi.IsExpanded = true;
tvi = tvi.Parent as TreeViewItem;
}
}
foreach (TreeViewItem tvi in CodeSourceTree.Items)
{
CollapseAllChildrenExcept(tvi, expandedItems);
}
}
finally
{
CodeSourceTreeIsCollapsing = false;
}
}