public static int Main2()
{
DrawingObject[] dObj = new DrawingObject[4];
dObj[0] = new Line();
dObj[1] = new Circle();
dObj[2] = new Square();
dObj[3] = new DrawingObject();
foreach (DrawingObject drawObj in dObj)
{
drawObj.Draw();
}
Line ttt = new Line();
ttt.Draw();
ttt.test();
DrawingObject tt = new Line();
tt.Draw();
tt.test();
return 0;
}
