creating a new

Question

i have a button which is a picture of a new icon. i need to click it and it to come up clearing my richTextBox1 or text files reloaded. my button clicked is 1. if(buttonClicked == 1) ; it is also in the menu at the top. private void menuItem9_Click(object sender, System.EventArgs e) { richTextBox1 == ""; } cheers 4 any help