```
using System;
using System.Windows.Forms;

namespace arrays_1
{
    public partial class Form1 : Form
    {
        public string[] array1;

        public ulong size = 0;

        public string input = "";

        public int counter = 0;

        public Form1()
        {
            InitializeComponent();
            array1 = new string[1];
        }

        public void btnImposta_Click() // defines array size
        {
            ulong size = Convert.ToUInt64(textBox_ArraySize.Text); 
            array1 = new string[size];
        }

        public void btnInserisciAggiungi_Click() // button to input in array
        {
            buttonInsertAdd.Text = "Add";
            counter++;
            input = textBox_Content.Text;

            array1 = input; // Here's the error (I can't convert string "input" to string[] "array")

            lstArray.Items.Add(array1[counter]);

            textBox_Content.Clear();
        }
    }
}

```

Hi, as the title says, I'm trying to take the user input from a TextBox, put it in an Array and finally output it on a ListBox
I don't know how to input the textbox text to the array, though.

Here's my code.