ObservableCollection pPointCollection = new ObservableCollection();

if (JsonPoints is JsonArray)
{
for (int i = 0; i < JsonPoints.Count; i++)
{
if (JsonPoints[i] is JsonArray)
{
ESRI.ArcGIS.Client.Geometry.PointCollection pPointCollections = new ESRI.ArcGIS.Client.Geometry.PointCollection();

JsonArray pInnerPoints = JsonPoints[i] as JsonArray;
for (int j = 0; j < pInnerPoints.Count; j++)
{
string pStr = pInnerPoints[j].ToString();

string[] pStrPoints = pInnerPoints[j].ToString().Substring(1, pInnerPoints[j].ToString().Length - 2).Split(',');
MapPoint pPoint = new MapPoint();
pPoint.X = Convert.ToDouble(pStrPoints[0]);
pPoint.Y = Convert.ToDouble(pStrPoints[1]);

pPointCollections.Add(pPoint);
}

pPointCollection.Add(pPointCollections);

}
}

pPolygon.Rings= pPointCollection;

pGeo = pPolygon;

}
}
}

pGeo.SpatialReference = pSpatial;

return pGeo;
}

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