public AutomationElement FindMatchingChild(Predicate <AutomationElement> pred)
{
IUIAutomationTreeWalker walker;
pAutomation.get_ControlViewWalker(out walker);
try {
IUIAutomationElement elem;
walker.GetFirstChildElement(pElement, out elem);
while (elem != null)
{
AutomationElement ae = new AutomationElement(elem);
if (pred(ae))
{
return(ae);
}
IUIAutomationElement next;
walker.GetNextSiblingElement(elem, out next);
elem = next;
}
return(null);
}
finally {
if (walker != null)
{
Marshal.ReleaseComObject(walker);
}
}
}
public IUIAutomationTreeWalker CreateTreeWalker()
{
IUIAutomationTreeWalker walker;
pAutomation.get_ControlViewWalker(out walker);
return(walker);
}
