title: C# appending values to empty array int[] doesn't work
body: <p>I'm doing a windows form app and I need to declare empty array for some listbox operations. But i can't add value to array. When I try to print the lenght of the array after adding a value I reading the value 0 all the time.</p>
  <pre><code>public partial class Form1 : Form
      {
          public static int[] arrayOfNumbers = new int[] { };
          public Form1()
          {
              InitializeComponent();
          }
          
          public void button1_Click(object sender, EventArgs e)
          {
              listBox1.Items.Add(textBox1.Text);
             
              arrayOfNumbers.Append(Convert.ToInt32(textBox1.Text));
              Console.WriteLine(arrayOfNumbers.Length);
              
          }
  </code></pre>