protected static Reference[] GetSideReferences(FamilyInstance projectZone, View view)
{
Reference[] array = (Reference[])new Reference[4];
BoundingBoxXYZ val = projectZone.get_BoundingBox(null);
double c = val.get_Max().get_X() - val.get_Min().get_X();
double c2 = val.get_Max().get_Y() - val.get_Min().get_Y();
double z = val.get_Min().get_Z();
Options val2 = new Options();
val2.set_ComputeReferences(true);
val2.set_View(view);
GeometryElement source = projectZone.get_Geometry(val2);
GeometryInstance val3 = ((IEnumerable <GeometryObject>)source).First((GeometryObject g) => g is GeometryInstance) as GeometryInstance;
GeometryElement val4 = val3.get_SymbolGeometry();
int num = 0;
foreach (GeometryObject item in val4)
{
if (item is Line)
{
Line val5 = item as Line;
if (!(val5.GetEndPoint(0).get_Z() >= z + 0.01) && !(val5.GetEndPoint(1).get_Z() >= z + 0.01))
{
Directions?nullable = null;
if (val5.get_Direction().get_X() >= 0.99 || val5.get_Direction().get_X() <= -0.99)
{
double y = val5.GetEndPoint(0).get_Y();
if (NearlyIntersects(y, c2))
{
nullable = Directions.North;
}
else if (NearlyIntersects(y, 0.0))
{
nullable = Directions.South;
}
}
else if (val5.get_Direction().get_Y() >= 0.99 || val5.get_Direction().get_Y() <= -0.99)
{
double x = val5.GetEndPoint(0).get_X();
if (NearlyIntersects(x, c))
{
nullable = Directions.East;
}
else if (NearlyIntersects(x, 0.0))
{
nullable = Directions.West;
}
}
if (nullable.HasValue && array[(int)nullable.Value] == null)
{
array[(int)nullable.Value] = val5.get_Reference();
num++;
if (num == 4)
{
return(array);
}
}
}
}
}
return(null);
}