C#

//Serializing ArrayList
            ArrayList arr = new ArrayList();

            arr.Add(1);
            arr.Add(2);
            arr.Add("Hello");
            arr.Add(new Bitmap(100, 100));

            System.Runtime.Serialization.Formatters.Binary.BinaryFormatter bf = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();

            System.IO.MemoryStream ms=new System.IO.MemoryStream();

            bf.Serialize(ms, arr);


//Deserializing the arr to arr2

            bf.Serialize(ms, arr);

            System.IO.Stream newMS = new System.IO.MemoryStream(ms.ToArray());

            ArrayList arr2 = bf.Deserialize(newMS) as ArrayList;

//Serializing Array

            int[] myIntArr = new int[] { 1, 2, 3, 4, 5 };

            System.Runtime.Serialization.Formatters.Binary.BinaryFormatter bf = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();

            System.IO.MemoryStream ms=new System.IO.MemoryStream();

            bf.Serialize(ms, myIntArr);


//Deserializing Array

            System.IO.Stream newMS = new System.IO.MemoryStream(ms.ToArray());

            int[] myIntArr2= (int[])bf.Deserialize(newMS);

[Serializable]
Class Note
{
    ArrayList arr1=new ArrayList();
    ArrayList arr2=new ArrayList();
    
    int integer=0;
    string str=1;
    Bitmap bmp=new Bitmap(100,100);
    
    public ArrayList Arr1
    {
        get{return this.arr1;}
    }

    public ArrayList Arr2
    {
        set{this.arr2=value;}
    }

    public static stream Serialize()
    {
        //creating stream and ...

        BinaryFormatter bf=new BinaryFormatter();
        bf.Serialize(stream,this);
        return stream;
    }

    public static Note Deserialize(Stream stream)
    {
        BinaryFormatter bf=new BinaryFormatter();
       return bf.Deserialize(stream) as Note;
    }     
}

<br />
<br />
 [Serializable]<br />
class GraphicsPathData<br />
{<br />
byte[] types;<br />
PointF[] points;<br />
FillMode fillMode;<br />
<br />
public GraphicsPathData(GraphicsPath gp)<br />
{<br />
this.types = gp.PathTypes;<br />
this.points = gp.PathPoints;<br />
this.fillMode = gp.FillMode;<br />
}<br />
<br />
public static System.IO.Stream Serialize(GraphicsPathData gpd)<br />
{<br />
System.IO.MemoryStream ms=new System.IO.MemoryStream();<br />
<br />
System.Runtime.Serialization.Formatters.Binary.BinaryFormatter bf = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();<br />
<br />
bf.Serialize(ms, gpd);<br />
ms.Flush();<br />
return ms;<br />
}<br />
<br />
public static GraphicsPathData Deserialize(System.IO.Stream stream)<br />
{<br />
System.Runtime.Serialization.Formatters.Binary.BinaryFormatter bf = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();<br />
<br />
object obj=bf.Deserialize(stream);<br />
GraphicsPathData gpd =obj as GraphicsPathData;<br />
return gpd;<br />
}<br />
<br />
public static GraphicsPath GetGraphicsPath(GraphicsPathData gpd)<br />
{<br />
return new GraphicsPath(gpd.points, gpd.types, gpd.fillMode);<br />
}<br />
<br />
public static GraphicsPath GetGraphicsPath(System.IO.Stream gpdStream)<br />
{<br />
return GetGraphicsPath(Deserialize(gpdStream));<br />
}<br />
}<br />
<br />

<br />
<br />
GraphicsPath gp = new GraphicsPath();<br />
gp.AddEllipse(10, 10, 100, 100);<br />
<br />
GraphicsPathData gpd = new GraphicsPathData(gp);<br />
System.IO.Stream gpdStream = GraphicsPathData.Serialize(gpd);<br />
<br />
//Just create a new stream for  exchanging of data!!!<br />
<br />
System.IO.Stream newStream = new System.IO.MemoryStream(((System.IO.MemoryStream)gpdStream).ToArray());<br />
<br />
GraphicsPath gpDeserialized = GraphicsPathData.GetGraphicsPath(newStream);<br />
<br />

<code>

        void SaveToDisk(string path, Stream stream)
        {
            stream.Seek(0, SeekOrigin.Begin); //put the pointer at first
            using (StreamWriter sw = new StreamWriter(path))
            using (StreamReader sr = new StreamReader(stream))
            {
                sw.Write(sr.ReadToEnd());
                sw.Flush();
            }
        }

</code>