public static void In()
{
Mark Marks = new Mark();
MarkInfo Mark1 = new MarkInfo("Madina", "Almanova", "Programming Principles 2", 99);
MarkInfo Mark2 = new MarkInfo("Fox", "Mulder", "History", 67);
MarkInfo Mark3 = new MarkInfo("Dana", "Scully", "Calculus 2", 86);
Mark1.GetLetter();
Mark2.GetLetter();
Mark3.GetLetter();
Marks.marks.Add(Mark1);
Marks.marks.Add(Mark2);
Marks.marks.Add(Mark3);
FileStream fs = new FileStream("mark.xml", FileMode.OpenOrCreate, FileAccess.ReadWrite);
XmlSerializer xs = new XmlSerializer(typeof(Mark));
xs.Serialize(fs, Marks);
fs.Close();
}
public Mark(MarkInfo markInfo)
{
marks = new List <MarkInfo>();
}