How to convert string "brakemeup" in to char[stringlength] array?

Question

if i have this code, how can i put alle the chars in my string in to the Char array?

i know this wont compile but the logic shows what im trying to do.

    private void button1_Click(object sender, EventArgs e)
    {
        string stringX = textbox1.Text;

        int strlen = stringX.Length();

        char[] arrayX = new char[strlen];

        arrayX = stringX.Split("");    
    }

Answer 1

Just use the ToCharArray method

private void button1_Click(object sender, EventArgs e)
{
    string stringX = textbox1.Text;

    char[] arrayX = stringX.ToCharArray();    
}

Answer 2

char[] arrayX = textbox1.Text.ToCharArray();

Answer 3

How about

stringX.ToCharArray()