Account.ManifestManagement.View.AddOrUpdateManifest.IsNumber C# (CSharp) Method

        private bool IsNumber(Key key)
        {
            bool result = key == Key.D1 || key == Key.D2 || key == Key.D3
                || key == Key.D4 || key == Key.D5 || key == Key.D6
                || key == Key.D7 || key == Key.D8 || key == Key.D9 || key == Key.D0
                || key == Key.NumPad1 || key == Key.NumPad2 || key == Key.NumPad3
                || key == Key.NumPad4 || key == Key.NumPad5 || key == Key.NumPad6
                || key == Key.NumPad7 || key == Key.NumPad8 || key == Key.NumPad9 || key == Key.NumPad0
                || key == Key.Decimal || key == Key.OemPeriod || key == Key.Tab || key == Key.Subtract
                || key == Key.OemMinus;
            return result;
        }