private List <AutomationElement> Find(TreeScope scope, Condition condition, bool findFirst)
{
// Parent and Ancestors scopes are not supported on
// Windows (this is specified in MSDN, too).
if ((scope & TreeScope.Parent) == TreeScope.Parent ||
(scope & TreeScope.Ancestors) == TreeScope.Ancestors)
{
throw new ArgumentException("scope");
}
List <AutomationElement> found = new List <AutomationElement> ();
if ((!findFirst || found.Count == 0) &&
(scope & TreeScope.Element) == TreeScope.Element &&
condition.AppliesTo(this) &&
(CacheRequest.Current == CacheRequest.DefaultRequest || CacheRequest.Current.TreeFilter.AppliesTo(this)))
{
// TODO: Need to check request's TreeScope, too?
found.Add(GetUpdatedCache(CacheRequest.Current));
}
if ((!findFirst || found.Count == 0) &&
((scope & TreeScope.Children) == TreeScope.Children ||
(scope & TreeScope.Descendants) == TreeScope.Descendants))
{
TreeScope childScope = TreeScope.Element;
if ((scope & TreeScope.Descendants) == TreeScope.Descendants)
{
childScope = TreeScope.Subtree;
}
AutomationElement current =
TreeWalker.RawViewWalker.GetFirstChild(this);
while (current != null)
{
//Log.Debug ("Inspecting child: " + current.Current.Name);
found.AddRange(current.Find(childScope, condition, findFirst));
if (findFirst && found.Count > 0)
{
break;
}
current = TreeWalker.RawViewWalker.GetNextSibling(current);
}
}
return(found);
}
