public bool Contains(Rectangle rectangle)
{
return IsInRectangle(rectangle.TopLeftPoint) &&
IsInRectangle(new Point(rectangle.TopLeftPoint.X + Width, rectangle.TopLeftPoint.Y + Height));
}
public bool Intersects(Rectangle rectangle)
{
return IsInRectangle(rectangle.TopLeftPoint) ||
rectangle.IsInRectangle(this.TopLeftPoint);
}