public List <string> GetData()
        {
            List <String> Data = new List <String> {
            };

            //checks for all checked blocks
            for (int i = 0; i < ClassOptions.Items.Count; i++)
            {
                if (ClassOptions.GetItemChecked(i))
                {
                    //This puts the selected checkbox strings into the list
                    Data.Add(ClassOptions.GetItemText(ClassOptions.Items[i]));
                }
            }
            return(Data);
        }