DesktopHelper.UI.CalendarForm.Btn_MouseLeave C# (CSharp) Метод

        private void Btn_MouseLeave(object sender, EventArgs e)
        {
            try
            {
                Button btn = sender as Button;
                btn.BackColor = Color.Transparent;
            }
            catch (Exception ex)
            {
                log.WriteLog(ex.ToString());
            }
        }