ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / ParcelFabricExtensions Class / GetParcelFeaturesAsync Method
The parcel layer.
The source layers and feature IDs of parcel polygon features.
Example

In This Topic
    GetParcelFeaturesAsync Method
    In This Topic
    Gets the other related parcel features for the input parcels.
    Syntax
    Public Shared Function GetParcelFeaturesAsync( _
       ByVal parcelLayer As ParcelLayer, _
       ByVal parcelPolygonFeatures As SelectionSet _
    ) As Task(Of ParcelFeatures)

    Parameters

    parcelLayer
    The parcel layer.
    parcelPolygonFeatures
    The source layers and feature IDs of parcel polygon features.

    Return Value

    Exceptions
    ExceptionDescription
    Insufficient license. This method requires a standard license.
    Limit of 1000 input parcels exceeded.
    Example
    Get parcel features
    string sReportResult = "Polygon Information --" + Environment.NewLine;
    string sParcelTypeName = "tax";
    string errorMessage = await QueuedTask.Run(async () =>
    {
      var myParcelFabricLayer =
        MapView.Active.Map.GetLayersAsFlattenedList().OfType<ParcelLayer>().FirstOrDefault();
      //if there is no fabric in the map then bail
      if (myParcelFabricLayer == null)
        return "There is no fabric layer in the map.";
    
      //first get the parcel type feature layer
      var featSrcLyr = myParcelFabricLayer.GetParcelPolygonLayerByTypeNameAsync(sParcelTypeName).Result.FirstOrDefault();
    
      if (featSrcLyr.SelectionCount == 0)
        return "There is no selection on the " + sParcelTypeName + " layer.";
    
      sReportResult += " Parcel Type: " + sParcelTypeName + Environment.NewLine;
      sReportResult += " Poygons: " + featSrcLyr.SelectionCount + Environment.NewLine + Environment.NewLine;
    
      try
      {
        // ------- get the selected parcels ---------
        var ids = new List<long>((featSrcLyr as FeatureLayer).GetSelection().GetObjectIDs());
        var sourceParcels = new Dictionary<MapMember, List<long>>();
        sourceParcels.Add(featSrcLyr, ids);
        //---------------------------------------------
        ParcelFeatures parcFeatures =
                        await myParcelFabricLayer.GetParcelFeaturesAsync(SelectionSet.FromDictionary(sourceParcels));
        //since we know that we want to report on Tax lines only, and for this functionality 
        // we can use any of the Tax line layer instances (if there happens to be more than one)
        // we can get the first instance as follows
        FeatureLayer myLineFeatureLyr =
            myParcelFabricLayer.GetParcelLineLayerByTypeNameAsync(sParcelTypeName).Result.FirstOrDefault();
        if (myLineFeatureLyr == null)
          return sParcelTypeName + " line layer not found";
    
        FeatureLayer myPointFeatureLyr =
            myParcelFabricLayer.GetPointsLayerAsync().Result.FirstOrDefault();
        if (myPointFeatureLyr == null)
          return "fabric point layer not found";
    
        var LineInfo = parcFeatures.Lines; //then get the line information from the parcel features object
        //... and then do some work for each of the lines
        int iRadiusAttributeCnt = 0;
        int iDistanceAttributeCnt = 0;
        sReportResult += "Line Information --";
        foreach (KeyValuePair<string, List<long>> kvp in LineInfo)
        {
          if (kvp.Key.ToLower() != sParcelTypeName)
            continue; // ignore any other lines from different parcel types
    
          foreach (long oid in kvp.Value)
          {
            var insp = myLineFeatureLyr.Inspect(oid);
            var dRadius = insp["RADIUS"];
            var dDistance = insp["DISTANCE"];
    
            if (dRadius != DBNull.Value)
              iRadiusAttributeCnt++;
            if (dDistance != DBNull.Value)
              iDistanceAttributeCnt++;
            //Polyline poly = (Polyline)insp["SHAPE"];
          }
          sReportResult += Environment.NewLine + " Distance attributes: " + iDistanceAttributeCnt.ToString();
          sReportResult += Environment.NewLine + " Radius attributes: " + iRadiusAttributeCnt.ToString();
        }
    
        var PointInfo = parcFeatures.Points; //get the point information from the parcel features object
        //... and then do some work for each of the points
        sReportResult += Environment.NewLine + Environment.NewLine + "Point Information --";
        int iFixedPointCnt = 0;
        int iNonFixedPointCnt = 0;
        foreach (long oid in PointInfo)
        {
          var insp = myPointFeatureLyr.Inspect(oid);
          var isFixed = insp["ISFIXED"];
          if (isFixed == DBNull.Value || (int)isFixed == 0)
            iNonFixedPointCnt++;
          else
            iFixedPointCnt++;
          // var pt = insp["SHAPE"];
    
        }
        sReportResult += Environment.NewLine + " Fixed Points: " + iFixedPointCnt.ToString();
        sReportResult += Environment.NewLine + " Non-Fixed Points: " + iNonFixedPointCnt.ToString();
      }
      catch (Exception ex)
      {
        return ex.Message;
      }
      return "";
    });
    if (!string.IsNullOrEmpty(errorMessage))
      MessageBox.Show(errorMessage, "Get Parcel Features");
    else
      MessageBox.Show(sReportResult, "Get Parcel Features");
    Requirements

    Target Platforms: Windows 11, Windows 10, Windows 8.1

    See Also