private void PrintMonthCalendar(int month, int year) { CalendarLib.Calendar calendar = new CalendarLib.Calendar(1, month, year); var arr = calendar.GetMonthArray(); for (int i = 0; i < 6; i++) { for (int j = 0; j < 7; j++) { string chuThich = ""; int ngay = arr[i, j]; Control control = tabCalendar.GetControlFromPosition(j, i + 1); if (ngay == 0) { control.Text = ""; } else { control.Text = ngay.ToString(); chuThich += Lunar.convertSolar2Lunar(ngay, month, year) + "\r\n"; chuThich += GetNgayLe(ngay, month); } toolTip.SetToolTip(control, chuThich); } } }