private void ConnectComputers(NShape fromComputer, NShape toComputer, NGroup group)
{
NConnectorShapeFactory connectorShapes = new NConnectorShapeFactory();
NShape lineShape = connectorShapes.CreateShape((int)ENConnectorShape.Line);
lineShape.GlueBeginToShapeBoxIntersection(fromComputer);
lineShape.GlueEndToShapeBoxIntersection(toComputer);
group.Shapes.Add(lineShape);
}