error with string index going below 0
hope explanation in comments enough give basic idea of intended purpose , error. public string [] tbchatold = new string [19]; // array store userinput int = 0; // counter ofr event below. private void tbchat_enter( object sender, keypresseventargs e) { //purpose of snip-it 1: display text tryped in textbox tbchat richtextbox windowchat. //now wrote code following stores userinput empty index in array tbchatold[] //using counter int declayed above. im hoping when = end of index starts storing //at index 0 again. in giving user 20 stored strings thay can go to. //i "think" part of code above explanation. string userinput; if (e.keychar == ( char )keys.enter) { userinput = tbchat.text; windowchat.text += userinput + "\r\n" ; if (i != 19) { tbchatold[i] = userinput; i++; } else if (...
