private void Form1_Load(object sender, EventArgs e)
{
//TeachingAssistant ta = new TeachingAssistant();
TeachingAssistant4 ta = new TeachingAssistant4();
// The following causes a design time error for the
// TeachingAssistant4 class but not the TeachingAssistant class.
ta.PrintGrades();
// The following does work.
IStudent student = ta;
student.PrintGrades();
}
static void Main(string[] args)
{
// Console.WriteLine("Hello World!");
TeachingAssistant ta = new TeachingAssistant();
IStudent iStudent = new TeachingAssistant4();
// The following causes a design time error for the
// TeachingAssistant4 class but not the TeachingAssistant class.
ta.PrintGrades();
iStudent.PrintGrades();
// The following does work.
IStudent student = ta;
student.PrintGrades();
}
