ControlzEx.Microsoft.Windows.Shell.WindowChrome.GetResizeGripDirection C# (CSharp) Method

        public static ResizeGripDirection GetResizeGripDirection(IInputElement inputElement)
        {
            Verify.IsNotNull(inputElement, "inputElement");
            var dobj = inputElement as DependencyObject;
            if (dobj == null)
            {
                throw new ArgumentException("The element must be a DependencyObject", "inputElement");
            }
            return (ResizeGripDirection)dobj.GetValue(ResizeGripDirectionProperty);
        }