private void DifficultInputButton_Click(object sender, RoutedEventArgs e) { String input = this.DifficultInputTextBox.Text; if (input.Equals("1") || input.ToLower().Equals("easy")) { gameCore.InitializeMaze(0); this.Close(); } else if (input.Equals("2") || input.ToLower().Equals("medium")) { gameCore.InitializeMaze(1); this.Close(); } else if (input.Equals("3") || input.ToLower().Equals("hard")) { gameCore.InitializeMaze(2); this.Close(); } else { MessageBox.Show("You must enter a valid difficulty value in the text box above!"); } }