Fibonacci Async Lab

using System.Windows.Forms;
using System.Threading; //Added



namespace ZauBawk_FibonacciAsyncLab_Due_3_4
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private async void btnRunFibonacciWithAsync_Click(object sender, EventArgs e)
        {
            long userInput;
            long.TryParse(txtValue.Text, out userInput);

            double result = await GetSumOfRandomValuesAsync(userInput);
            richTextBox1.AppendText("Fibonacci(" + userInput + ") = " + result + "\n");
        }

        private async Task<long> GetSumOfRandomValuesAsync(long inputValue)
        {
            long result = 0;
            Task<long> task = Task<long>.Factory.StartNew(() =>
            {
                result = Fibonacci(inputValue);
                return result;
            });
            await task;
            return task.Result; //calling result from a task
        }

        //method for lab
        private long Fibonacci(long n)
        {
            if (n == 0) return 0;
            if (n == 1) return 1;
            return Fibonacci(n - 1) + Fibonacci(n - 2);
        }

        private void btnTestIftheUIisLocked_Click(object sender, EventArgs e)
        {
            MessageBox.Show("Testing if the UI is locked.");
        }
    }
}

//Lab Assingment due Wed 3/4
//New project
//given the fibonacci series method
//define an asynchronous method that takes an input n  and returns its Fibonnacci value
//Call this method (from a button click) and display its return value.
//The UI thread should not lock up.