public IGeometryBag ConstructPolygonByLine(IGeometryBag igeometryBag_0)
{
int i;
IPolygon polygon;
IGeometryCollection geometryBagClass = new GeometryBag() as IGeometryCollection;
object value = Missing.Value;
IArray array = this.SplitLine(igeometryBag_0);
int[] numArray = new int[array.Count];
IArray arrayClass = new Array();
for (i = 0; i < array.Count; i++)
{
numArray[i] = 0;
}
IGeometry element = null;
IGeometry geometry = null;
for (i = 0; i < array.Count; i++)
{
element = array.Element[i] as IGeometry;
IPolyline polyline = (IPolyline)element;
geometry = element;
if (this.method_3(array, polyline.FromPoint) != 1 && this.method_3(array, polyline.ToPoint) != 1)
{
if (!polyline.IsClosed)
{
if ((numArray[i] & 2) == 0)
{
numArray[i] = numArray[i] | 2;
polygon = this.BulidPoly(array, numArray, geometry, false);
if (polygon != null)
{
geometryBagClass.AddGeometry(polygon, ref value, ref value);
}
}
if ((numArray[i] & 1) == 0)
{
numArray[i] = numArray[i] | 1;
polygon = this.BulidPoly(array, numArray, geometry, true);
if (polygon != null)
{
geometryBagClass.AddGeometry(polygon, ref value, ref value);
}
}
}
else
{
ISegmentCollection polygonClass = new Polygon() as ISegmentCollection;
polygonClass.AddSegmentCollection((ISegmentCollection)polyline);
polygon = (IPolygon)polygonClass;
((ITopologicalOperator)polygon).Simplify();
geometryBagClass.AddGeometry(polygon, ref value, ref value);
}
}
}
return((IGeometryBag)geometryBagClass);
}
public IPolygon BulidPoly(IArray iarray_0, int[] int_0, IGeometry igeometry_0, bool bool_1)
{
IPolygon polygon;
bool flag;
ISegmentCollection polygonClass = new Polygon() as ISegmentCollection;
polygonClass.AddSegmentCollection((ISegmentCollection)(igeometry_0 as IClone).Clone());
this.method_1(iarray_0, igeometry_0);
bool flag1 = true;
IGeometry igeometry0 = igeometry_0;
while (true)
{
igeometry0 = (!flag1
? this.method_4(iarray_0, igeometry0, ((IPolyline)igeometry0).FromPoint, bool_1, ref flag1)
: this.method_4(iarray_0, igeometry0, ((IPolyline)igeometry0).ToPoint, bool_1, ref flag1));
if (igeometry0 == null)
{
polygon = null;
break;
}
else if (igeometry_0 == igeometry0)
{
((IPolygon)polygonClass).Close();
double area = ((IArea)polygonClass).Area;
if (area <= 0 || bool_1)
{
flag = (area >= 0 ? true : !bool_1);
}
else
{
flag = false;
}
if (flag)
{
polygon = null;
break;
}
else
{
((ITopologicalOperator)polygonClass).Simplify();
((IPolygon)polygonClass).Close();
polygon = (IPolygon)polygonClass;
break;
}
}
else
{
ICurve curve = (ICurve)((IClone)igeometry0).Clone();
int num = this.method_1(iarray_0, igeometry0);
if (!flag1)
{
if (!bool_1)
{
int_0[num] = int_0[num] | 1;
}
else
{
int_0[num] = int_0[num] | 2;
}
curve.ReverseOrientation();
}
else if (!bool_1)
{
int_0[num] = int_0[num] | 2;
}
else
{
int_0[num] = int_0[num] | 1;
}
polygonClass.AddSegmentCollection((ISegmentCollection)curve);
}
}
return(polygon);
}