GameStateManagement.InputState.IsMenuSelect C# (CSharp) Method

        public bool IsMenuSelect()
        {
            return IsNewKeyPress(Keys.Space) ||
                   IsNewKeyPress(Keys.Enter);
        }

        /// <summary>
        /// Responds to user input, accepting or cancelling the message box.
        /// </summary>
        public override void HandleInput(InputState input)
        {
            PlayerIndex playerIndex;

            // We pass in our ControllingPlayer, which may either be null (to
            // accept input from any player) or a specific index. If we pass a null
            // controlling player, the InputState helper returns to us which player
            // actually provided the input. We pass that through to our Accepted and
            // Cancelled events, so they can tell which player triggered them.
            if (input.IsMenuSelect(ControllingPlayer, out playerIndex))
            {
                // Raise the accepted event, then exit the message box.
                if (Accepted != null)
                {
                    Accepted(this, new PlayerIndexEventArgs(playerIndex));
                }

                ExitScreen();
            }
            else if (input.IsMenuCancel(ControllingPlayer, out playerIndex))
            {
                // Raise the cancelled event, then exit the message box.
                if (Cancelled != null)
                {
                    Cancelled(this, new PlayerIndexEventArgs(playerIndex));
                }

                ExitScreen();
            }
        }