My program allows the user to input values of hours and minutes into an array of predefined length.
I want to have this button called add for a form I'm creating to allow multiple inputs from the user until the array is fully inhabited. Then when it's done, to call a sortArray() method They way it is now it only allows one input then it throws an exception. How do I go about this? 

```
private void addButton_Click(object sender, EventArgs e)
    {

        int index = 0;

        try
        {

            while (index <= array.Length)
            {

                minutes = Int32.Parse(minutesTextBox.Text);

                hours = Int32.Parse(hoursTextBox.Text);

                MessageBox.Show("You have successfully entered a time!");

                array[index] = new RandomClass.Time(hours, minutes);

                index = index + 1;

            }
        }
        catch (Exception ex)
        {
            MessageBox.Show(ex.GetType().FullName);
            MessageBox.Show("Please only input integer numbers. Start again from the beginning");
            hoursTextBox.Text = null;
            minutesTextBox.Text = null;
            array = null;
            arrayLength = null;
        }

            MessageBox.Show("Please choose what order you want arrange the sort!");
            FileA.RandomClass.sortArray(array);

    }

```