public static bool operator ==(Line line1, Line line2)
{
if (System.Object.ReferenceEquals(line1, line2))
{
return true;
}
if (((object)line1 == null) || ((object)line2 == null))
{
return false;
}
return ((line1.k == line2.k) && (line1.b == line2.b));
}