System.Windows.Automation.TreeWalker.TreeWalker C# (CSharp) Method

        public TreeWalker(Condition condition)
        {
            // This is an unusual situation - a direct constructor.
            // We have to go create the native tree walker, which might throw.
            Utility.ValidateArgumentNonNull(condition, "condition");
            try
            {
                this._obj = Automation.Factory.CreateTreeWalker(condition.NativeCondition);
            }
            catch (System.Runtime.InteropServices.COMException e)
            {
                Exception newEx; if (Utility.ConvertException(e, out newEx)) { throw newEx; } else { throw; }
            }
        }