private void cmdAdd_Click(object sender, System.EventArgs e)
{
AcademicYear currYear = plan[yearIndex];
Course cs = (Course)lbxAvailable.SelectedItem;
if (rboFall.Checked)
{
AddCourse(cs, currYear.Fall, lbxFall);
}
else if (rboWinter.Checked)
{
AddCourse(cs, currYear.Winter, lbxWinter);
}
else if (rboSpring.Checked)
{
AddCourse(cs, currYear.Spring, lbxSpring);
}
else if (rboSummer.Checked)
{
AddCourse(cs, currYear.Summer, lbxSummer);
}
}