private IUIAutomationElement GetNearbyElement(GetElementDelegate getNextElement)
{
var currentElement = GetCurrentElement();
if (currentElement == null)
{
return(null);
}
var treeWalker = A11yAutomation.GetTreeWalker(this.TreeViewMode);
var retVal = getNextElement?.Invoke(treeWalker, currentElement);
// make sure that we skip an element from current process while walking tree.
// this code should be hit only at App level. but for sure.
if (DesktopElement.IsFromCurrentProcess(retVal))
{
var tmp = retVal;
retVal = getNextElement?.Invoke(treeWalker, retVal);
// since element is not in use, release.
Marshal.ReleaseComObject(tmp);
}
Marshal.ReleaseComObject(treeWalker);
return(retVal);
}
