namespace CtoF_CalebFontenot { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void calculateButton_Click(object sender, EventArgs e) { // Write to textbox. //fahrenheitTextBox.Text = fahrenheit.ToString(); } private void exitButton_Click(object sender, EventArgs e) { this.Close(); } private void Form1_Load(object sender, EventArgs e) { // Define variables double fahrenheit, celsius; // Populate Celcius list for (int i = 0; i <= 20; i++) { celsiusListBox.Items.Add(i.ToString()); } // Compute! for (int i = 0; i < celsiusListBox.Items.Count; i++) { celsius = Double.Parse(celsiusListBox.Items[i].ToString()); fahrenheit = ((9 / 5) * celsius) + 32; fahrenheitListBox.Items.Add(fahrenheit.ToString()); } } } }