public void DrawConnectiveLines(Graphics g)
{
foreach (AttributeShape att in this.attributes)
{
g.DrawLine(new Pen(Color.Black, 1), this.CenterPoint, att.CenterPoint);
}
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < this.cardinalities[i].Count; j++)
{
DrawingSupport.DrawCardinalitiesLine(g, this.cardinalities[i][j], i + 1, j + 1, this.cardinalities[i].Count, this.BackColor);
}
}
}