[RESOLVED] Help with Checkedlistbox

[Crash893]

What event is it that triggers when ever actually check a object in checkedlistbox

I have Itemscheck but it doesnt update textbox1 untill after i click something else.

private void checkedListBox1_ItemCheck(object sender, ItemCheckEventArgs e)
        {
            
            textBox1.Text = querylist(checkedListBox1,"OR");
        }
 
        private string querylist (CheckedListBox CB_list,string and_or)
         {
             string querylist = "";
             foreach (string x in CB_list.CheckedItems)
             {
                 querylist += x + " " +and_or+" ";
             }
             return querylist;
        }