public Form1()
{
InitializeComponent();
picture.Image = new Bitmap(picture.Width, picture.Height);
Graphics graph = Graphics.FromImage(picture.Image);
ShapePainter LinePainter = new LinePainter(this, button2, graph);
ShapePainter TrianglePainter = new TrianglePainter(this, button5, graph);
ShapePainter QuadPainter = new QuadPainter(this, button3, graph);
ShapePainter RectPainter = new RectPainter(this, button4, graph);
ShapePainter EllipsePainter = new EllipsePainter(this, button6, graph);
ShapePainter CirclePainter = new CirclePainter(this, button7, graph);
}