private IGeometry method_1(IPolyline ipolyline_0, int int_0, int int_1, int int_2, int int_3)
{
IPointCollection geometry;
int i;
IGeometryCollection ipolyline0 = ipolyline_0 as IGeometryCollection;
IGeometryCollection polylineClass = null;
object value = Missing.Value;
if (int_2 != int_0)
{
if (int_0 != ipolyline0.GeometryCount - 1)
{
ipolyline0.RemoveGeometries(int_0 + 1, ipolyline0.GeometryCount - int_0 - 1);
}
if (int_2 != 0)
{
ipolyline0.RemoveGeometries(0, int_2);
}
geometry = ipolyline0.Geometry[0] as IPointCollection;
if (int_3 != 0)
{
geometry.RemovePoints(0, int_3);
}
ipolyline0.GeometriesChanged();
geometry = ipolyline0.Geometry[int_0 - int_2] as IPointCollection;
if (int_1 != geometry.PointCount - 1)
{
geometry.RemovePoints(int_1 + 1, geometry.PointCount - int_1 - 1);
}
ipolyline0.GeometriesChanged();
}
else
{
geometry = ipolyline0.Geometry[int_0] as IPointCollection;
if (int_3 - int_1 + 1 != geometry.PointCount)
{
polylineClass = new Polyline() as IGeometryCollection;
for (i = 0; i < int_0 - 1; i++)
{
polylineClass.AddGeometry((ipolyline0.Geometry[i] as IClone).Clone() as IGeometry, ref value,
ref value);
}
IPointCollection pathClass = new ESRI.ArcGIS.Geometry.Path();
for (i = int_1; i < int_3 + 1; i++)
{
pathClass.AddPoint(geometry.Point[i], ref value, ref value);
}
if (pathClass is IRing)
{
(pathClass as IRing).Close();
}
polylineClass.AddGeometry(pathClass as IGeometry, ref value, ref value);
for (i = int_0 + 1; i < ipolyline0.GeometryCount; i++)
{
polylineClass.AddGeometry((ipolyline0.Geometry[i] as IClone).Clone() as IGeometry, ref value,
ref value);
}
}
else
{
ipolyline0.RemoveGeometries(int_0, 1);
polylineClass = ipolyline0;
}
}
return(polylineClass as IGeometry);
}