C#

<br />
<br />
formatter.Serialize(myStream, arr1)<br />
formatter.Serialize(myStream, arr2)<br />
formatter.Serialize(myStream, arr3)<br />
<br />
<br />
<br />
//To restore the arraylists, make the calls to formatter.Deserialize in the //exact same order:<br />
<br />
arr1 = (ArrayList) formatter.Deserialize(myStream);<br />
arr2 = (ArrayList) formatter.Deserialize(myStream);<br />
arr3 = (ArrayList) formatter.Deserialize(myStream);<br />
<br />
<br />

XmlSerializer s = new XmlSerializer( typeof(ArrayList) );<br />
		private ArrayList alDrawingObjects = new ArrayList();<br />
		public ArrayList CoordList=new ArrayList (); <br />
		public ArrayList ShapeTypeList=new ArrayList (); <br />
		public ArrayList ColorList=new ArrayList ();<br />
		public ArrayList PolyCoord = new ArrayList();<br />
		public ArrayList SizeList = new ArrayList();

Stream myStream ;<br />
					myStream = File.OpenWrite(filename);<br />
					ArrayList arr = new ArrayList();<br />
					if (myStream != null)<br />
					{<br />
						<br />
						TextWriter w = new StreamWriter( filename );<br />
						s.Serialize( w, ShapeTypeList );<br />
						s.Serialize( w, ColorList );<br />
						s.Serialize( w, CoordList);<br />
						s.Serialize( w, SizeList );<br />
<br />
						for(int i=0;i<PathList.Count;i++)<br />
						{<br />
							GraphicsPathData gpd = new GraphicsPathData((GraphicsPath)PathList[i]);<br />
							Stream gpdStream = GraphicsPathData.Serialize(gpd);<br />
							arr.Add(gpdStream);<br />
					 <br />
						}<br />
						s.Serialize( w, arr);<br />
<br />
						w.Close();

ArrayList newList;<br />
					TextReader r = new StreamReader(filename);<br />
					ShapeTypeList = (ArrayList) s.Deserialize(myStream);<br />
					ColorList = (ArrayList) s.Deserialize(myStream);<br />
					CoordList = (ArrayList)s.Deserialize(myStream);<br />
					SizeList = (ArrayList) s.Deserialize(myStream);<br />
					arr=(ArrayList) s.Deserialize(myStream);<br />
					for(int i=0;i<arr.Count;i++)<br />
					{<br />
						Stream newStream = new MemoryStream(((MemoryStream)arr[i]).ToArray());<br />
						GraphicsPath gpDeserialized = GraphicsPathData.GetGraphicsPath(newStream);					<br />
						PathList.Add(gpDeserialized); <br />
					}<br />
					myStream.Close();	<br />
					r.Close();

<code>
        [XmlRoot("MyData")]
        [Serializable]
        class MyData
        {
//it seems datas in each arraylist are the same type so if you're codinh in .NET2.0 or above use List<> instead of ArrayList

            ArrayList shapeTypeList;
            ArrayList colorList;
            ArrayList coordList;
            ArrayList sizeList;

            ArrayList graphicsPathDataList;

            [XmlArray("ShapeData")]
            [XmlArrayItem("Shape",typeof(/*you must get the type here*/))]
            public ArrayList ShapeTypeList
            {
                get { return this.shapeTypeList; }
            }

            [XmlArray("ColorData")]
            [XmlArrayItem("Color",typeof(/*you must get the type here*/))]
            public ArrayList ColorList
            {
                get { return this.colorList; }
            }

            [XmlArray("CoorinationData")]
            [XmlArrayItem("Coordination",typeof(/*you must get the type here*/))]
            public ArrayList CoordList
            {
                get { return this.coordList; }
            }

            [XmlArray("SizeData")]
            [XmlArrayItem("Size",typeof(/*you must get the type here*/))]
            public ArrayList SizeList
            {
                get { return this.sizeList; }
            }

            [XmlArray("GPDData")]
            [XmlArrayItem("GPD",typeof(/*you must get the type here*/))]
            public ArrayList GraphicsPathDataList
            {
                get { return this.graphicsPathDataList; }
            }

            public MyData(ArrayList shape, ArrayList color, ArrayList coord, ArrayList size, ArrayList gpd)
            {
                this.shapeTypeList = shape;
                this.colorList = color;
                this.coordList = coord;
                this.sizeList = size;
                this.graphicsPathDataList = gpd;
            }

            static MyData BinLoad(string path)
            {
                BinaryFormatter binSer=new BinaryFormatter();
                FileStream fo=new  FileStream(path,FileMode.Open);

                object data=binSer.Deserialize(fo);
                fo.Close();

                return data as MyData;
            }

            void BinSerialize(string path)
            {
                BinaryFormatter binSer=new BinaryFormatter();
                FileStream fo=new  FileStream(path,FileMode.OpenOrCreate);

                binSer.Serialize(fo,this);
                fo.Close();
            }

            static MyData XmlLoad(string path)
            {
                XmlSerializer xmlSer=new XmlSerializer(typeof(MyData));
                FileStream fo=new  FileStream(path,FileMode.Open);

                object data=xmlSer.Deserialize(fo);
                fo.Close();

                return data as MyData;
            }

            void XmlSerialize(string path)
            {
                XmlSerializer xmlSer=new XmlSerializer(this.GetType());
                FileStream fo=new  FileStream(path,FileMode.OpenOrCreate);

                xmlSer.Serialize(fo,this);
                fo.Close();
            }

            public enum SerializeTo{XML,Binary};

            public void Serialize(string path,SerializeTo to)
            {
                if(to==SerializeTo.Binary)
                    this.BinSerialize(path);
                else 
                    this.XmlSerialize(path);
            }

            public static MyData Load(string path,SerializeTo to)
            {
                if(to==SerializeTo.Binary)
                    return BinLoad(path);
                else 
                    return XmlLoad(path);
            }

        }
</code>