Implementing whiteboard as desktop application stucked in serialization.

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This is a demo project drawboard. I would like to make it so that all clients connected to one server see whatever I draw on that board. I have created a class called MyMouseEventArgs class.
I do not know how to proceed after that.

I have posted my code below:

if (isdrawing)
           {
               using (Graphics gr=this.CreateGraphics())
               {
                   gr.DrawLine(p, prev, e.Location);
                   cv.Coordinates.Add(prev);
                   prev = e.Location;
               }
           }
           p.Dispose();
       }

This is the function I am using to draw on the form.

This is my serialized class which I am going to pass.

[Serializable]
    class MyMouseEventArgs : EventArgs
    {
        public MyMouseEventArgs(MouseButtons button, int clicks, int x, int y, int delta)
        {
            _Button = button;
            _Clicks = clicks;
            _X = x;
            _Y = y;
            _Delta = delta;
        }

        private MouseButtons _Button;
        private int _Clicks;
        private int _Delta;
        private int _X;
        private int _Y;

        public MouseButtons Button { get { return _Button; } }
        public int Clicks { get { return _Clicks; } }
        public int Delta { get { return _Delta; } }
        public Point Location { get { return new Point(_X, _Y); } }
        public int X { get { return _X; } }
        public int Y { get { return _Y; } }

        public static implicit operator MyMouseEventArgs(MouseEventArgs e)
        {
            return new MyMouseEventArgs(e.Button, e.Clicks, e.X, e.Y, e.Delta);
        }
        public static implicit operator MouseEventArgs(MyMouseEventArgs e)
        {
            return new MouseEventArgs(e.Button, e.Clicks, e.X, e.Y, e.Delta);
        }
    }

Whenever the draw event occurs it has to draw on the client screens too.
I have little knowledge about the concept serialization.

If you help me I promise that I will give you the code for unlimited file transfer over LAN network (c#).