private void updateChecksCourse()
{
lbl_checkedCourses.Text = "נבחרו: " + lessonChecks.amount() + " שיעורים.";
if (mainForm.checkedCourses == null || lessonChecks != mainForm.checkedCourses)
{
mainForm.checkedCourses = lessonChecks;
mainForm.dataProgram.checkedCourses = lessonChecks.getList();
mainForm.newCheckingCoursesDone = true;
}
}