System.Windows.Automation.AutomationElement.FromIAccessible C# (CSharp) Method

        public static AutomationElement FromIAccessible(Accessibility.IAccessible acc, int childId)
        {
            Utility.ValidateArgumentNonNull(acc, "acc");

            try
            {
                UIAutomationClient.IUIAutomationElement element =
                    Automation.Factory.ElementFromIAccessibleBuildCache(
                        (UIAutomationClient.IAccessible)acc, 
                        childId,
                        CacheRequest.CurrentNativeCacheRequest);
                return AutomationElement.Wrap(element);
            }
            catch (System.Runtime.InteropServices.COMException e)
            {
                Exception newEx; if (Utility.ConvertException(e, out newEx)) { throw newEx; } else { throw; }
            }
        }