ScheduleWorks.UI.AddOrEditClassForm.nameTextboxTextChanged C# (CSharp) Méthode

        private void nameTextboxTextChanged(object sender, EventArgs e)
        {
            int lettersToBeCopied = 3;
            #region Text manipulation
            if (nameTextbox.Text.Length != 0)
            {
                if (nameTextbox.Text.Length <= lettersToBeCopied)
                {
                    shortNameTextbox.Text = nameTextbox.Text;
                }
                else
                {
                    shortNameTextbox.Text = nameTextbox.Text.Substring(0, lettersToBeCopied);
                }
            }
            else
            {
                shortNameTextbox.Text = "";
            }
            #endregion
        }