ArcStache.VectorCache.GetLayerGeometryType C# (CSharp) Method

        private esriGeometryType GetLayerGeometryType(IMapLayerInfos layerInfos, int layerIndex)
        {
            IMapLayerInfo3 layerInfo;

            // Find the index of the layer of interest.
            int layerCount = layerInfos.Count;
            for (int i = 0; i < layerCount; i++)
            {
                layerInfo = layerInfos.get_Element(i) as IMapLayerInfo3;
                if (layerInfo.ID == layerIndex)
                {
                    return this.GetGeometryTypeFromFields(layerInfo.Fields);
                }
            }

            throw new InvalidOperationException(string.Format("Unable to locate layerId [{0}] in map service. Please check the map service REST API to ensure this layer index exists.", layerIndex));
        }