C#

<br />
using System;<br />
using System.Collections;<br />
using System.IO;<br />
using System.Runtime.Serialization;<br />
using System.Xml.Serialization;<br />
namespace WindowsApplication1<br />
{<br />
	/// <summary><br />
	/// Summary description for Students.<br />
	/// </summary><br />
	[Serializable]<br />
	public class Students<br />
	{<br />
		int index = 1;<br />
		ArrayList students = new ArrayList();<br />
		public Students()<br />
		{<br />
			//populate some students<br />
		}<br />
<br />
<br />
		public void AddStudent( string name, string add)<br />
		{<br />
			Student t = new Student(index++, name, add);<br />
			students.Add(t);<br />
		}<br />
		public void RemoveStudent(int sID)<br />
		{<br />
			foreach(Student s in students)<br />
			{<br />
				if (s.StudentID == sID)<br />
				{<br />
					students.Remove(s);<br />
					return;<br />
				}<br />
			}<br />
			return;<br />
		}<br />
<br />
		public ArrayList Items<br />
		{ get {return students;} }<br />
		<br />
		public Student this[int index]<br />
		{<br />
			get<br />
			{<br />
				foreach(Student s in students)<br />
				{<br />
					if(s.StudentID == index)<br />
						return s;<br />
				}<br />
				return null;				<br />
			}<br />
		}<br />
	}<br />
}<br />
<br />
<br />

using System;<br />
using System.IO;<br />
using System.Runtime.Serialization;<br />
using System.Xml.Serialization;<br />
namespace WindowsApplication1<br />
{<br />
	/// <summary><br />
	/// Summary description for Student.<br />
	/// </summary><br />
	[Serializable]<br />
	public class Student<br />
	{<br />
		private int intStudentID = 0;<br />
		private string strName = "";<br />
		private string strAddress = "";<br />
<br />
		public Student(){}<br />
		public Student(int sID, string n, string a)<br />
		{<br />
			StudentID = sID;<br />
			Name = n;<br />
			Address = a;<br />
		}<br />
		public int StudentID<br />
		{<br />
			get{return intStudentID;}<br />
			set{intStudentID = value;}<br />
		}<br />
		public string Name<br />
		{<br />
			get{return strName;}<br />
			set{strName = value;}<br />
		}<br />
		public string Address<br />
		{<br />
			get{return strAddress;}<br />
			set{strAddress = value;}<br />
		}<br />
	}<br />
}<br />

StreamWriter w = null;<br />
    try<br />
    {<br />
        XmlSerializer ser = new XmlSerializer(typeof(Students));<br />
        w =  new StreamWriter("class.xml");<br />
        ser.Serialize(w,  Hstudents);<br />
    } // try<br />
    catch (Exception ex)<br />
    {<br />
        string strErr = String.Format("Unable to serialize class, error '{0}'",<br />
            ex.Message);<br />
        MessageBox.Show(strErr,"Serialize Error",MessageBoxButtons.OK,<br />
            MessageBoxIcon.Error);<br />
    } // catch<br />
    finally<br />
    {<br />
        if (w != null) w.Close();<br />
        w = null;<br />
    } // finally

base.OnDrawItem(e);
e.DrawBackground();
Graphics g = e.Graphics;
Bitmap b = new Bitmap(30, 30);
Graphics gs = Graphics.FromImage(b);
Brush brush = Brushes.Red;
gs.FillRectangle(brush, 0f, 0f, 30f, 30f);
g.DrawImage(b, e.Bounds.Left + 5, e.Bounds.Top + 5);
Brush myBrush = Brushes.Black;
g.DrawString("hey", e.Font, myBrush,e.Bounds, StringFormat.GenericDefault);

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