ProSnippets Editing - Esri/arcgis-pro-sdk GitHub Wiki

// Some times when using EditOperation.Modify you can unknowingly be attempting to set
//  an attribute to value 
//  setting 
// In this scenario the Modify action will detect that nothing is required
// and do nothing. Because no actions have occurred, the
// Consequently the Execute operation will fail. 
if (!opEdit.IsEmpty)
  opEdit.Execute();

var createFeatures = new EditOperation() { Name = "Create Features" };
//Create a feature with a polygon
var token = createFeatures.Create(featureLayer, polygon);
if (createFeatures.IsSucceeded)
{
  // token.ObjectID wll be populated with the objectID of the created feature after Execute has been successful
}
//Do a create features and set attributes
var attributes = new Dictionary<string, object>();
attributes.Add("SHAPE", polygon);
attributes.Add("NAME", "Corner Market");
attributes.Add("SIZE", 1200.5);
attributes.Add("DESCRIPTION", "Corner Market");

createFeatures.Create(featureLayer, attributes);

//Create features using the current template
//Must be within a MapTool
createFeatures.Create(this.CurrentTemplate, polygon);

//Execute to execute the operation
//Must be called within QueuedTask.Run

if (!createFeatures.IsEmpty)
{
  createFeatures.Execute(); //Execute will return true if the operation was successful and false if not.
}

//or use async flavor
//await createFeatures.ExecuteAsync();

var myTemplate = ArcGIS.Desktop.Editing.Templates.EditingTemplate.Current;

//Create edit operation and execute
var op = new ArcGIS.Desktop.Editing.EditOperation() { Name = "Create my feature" };
op.Create(myTemplate, geometry);
if (!op.IsEmpty)
{
  var result = op.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

var insp = new ArcGIS.Desktop.Editing.Attributes.Inspector();
insp.Load(layer, 86);

ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
  // modify attributes if necessary
  // insp["Field1"] = newValue;

  //Create new feature from an existing inspector (copying the feature)
  var createOp = new EditOperation() { Name = "Create from insp" };
  createOp.Create(insp.MapMember, insp.ToDictionary(a => a.FieldName, a => a.CurrentValue));

  if (!createOp.IsEmpty)
  {
    var result = createOp.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
  }
});

//Run on MCT
ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
  //Create the edit operation
  var createOperation = new ArcGIS.Desktop.Editing.EditOperation() { Name = "Generate points", SelectNewFeatures = false };

  // determine the shape field name - it may not be 'Shape' 
  string shapeField = layer.GetFeatureClass().GetDefinition().GetShapeField();

  //Loop through csv data
  foreach (var item in csvData)
  {

    //Create the point geometry
    ArcGIS.Core.Geometry.MapPoint newMapPoint =
        ArcGIS.Core.Geometry.MapPointBuilderEx.CreateMapPoint(item.X, item.Y);

    // include the attributes via a dictionary
    var atts = new Dictionary<string, object>();
    atts.Add("StopOrder", item.StopOrder);
    atts.Add("FacilityID", item.FacilityID);
    atts.Add(shapeField, newMapPoint);

    // queue feature creation
    createOperation.Create(layer, atts);
  }

  // execute the edit (feature creation) operation
  if (createOperation.IsEmpty)
  {
    return createOperation.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
  }
  else
    return false;
});

var tableTemplate = standaloneTable.GetTemplates().FirstOrDefault();
var createRow = new EditOperation() { Name = "Create a row in a table" };
//Creating a new row in a standalone table using the table template of your choice
createRow.Create(tableTemplate);

if (!createRow.IsEmpty)
{
  var result = createRow.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

var clipFeatures = new EditOperation() { Name = "Clip Features" };
clipFeatures.Clip(featureLayer, oid, clipPoly, ClipMode.PreserveArea);
//Execute to execute the operation
//Must be called within QueuedTask.Run
if (!clipFeatures.IsEmpty)
{
  var result = clipFeatures.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

//or use async flavor
//await clipFeatures.ExecuteAsync();

var select = MapView.Active.SelectFeatures(clipPoly);

var cutFeatures = new EditOperation() { Name = "Cut Features" };
cutFeatures.Split(featureLayer, oid, cutLine);

//Cut all the selected features in the active view
//Select using a polygon (for example)
//at 2.x - var kvps = MapView.Active.SelectFeatures(polygon).Select(
//      k => new KeyValuePair<MapMember, List<long>>(k.Key as MapMember, k.Value));
//cutFeatures.Split(kvps, cutLine);
var sset = MapView.Active.SelectFeatures(polygon);
cutFeatures.Split(sset, cutLine);

//Execute to execute the operation
//Must be called within QueuedTask.Run
if (!cutFeatures.IsEmpty)
{
  var result = cutFeatures.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

//or use async flavor
//await cutFeatures.ExecuteAsync();

var deleteFeatures = new EditOperation() { Name = "Delete Features" };
var table = MapView.Active.Map.StandaloneTables[0];
//Delete a row in a standalone table
deleteFeatures.Delete(table, oid);

//Delete all the selected features in the active view
//Select using a polygon (for example)
//at 2.x - var selection = MapView.Active.SelectFeatures(polygon).Select(
//      k => new KeyValuePair<MapMember, List<long>>(k.Key as MapMember, k.Value));
//deleteFeatures.Delete(selection);
var selection = MapView.Active.SelectFeatures(polygon);
deleteFeatures.Delete(selection);

//Execute to execute the operation
//Must be called within QueuedTask.Run
if (!deleteFeatures.IsEmpty)
{
  var result = deleteFeatures.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

//or use async flavor
//await deleteFeatures.ExecuteAsync();

{
  var duplicateFeatures = new EditOperation() { Name = "Duplicate Features" };

  //Duplicate with an X and Y offset of 500 map units
  //At 2.x duplicateFeatures.Duplicate(featureLayer, oid, 500.0, 500.0, 0.0);

  //Execute to execute the operation
  //Must be called within QueuedTask.Run
  var insp2 = new Inspector();
  insp2.Load(featureLayer, oid);
  var geom = insp2["SHAPE"] as Geometry;

  var rtoken = duplicateFeatures.Create(insp2.MapMember, insp2.ToDictionary(a => a.FieldName, a => a.CurrentValue));
  if (!duplicateFeatures.IsEmpty)
  {
    if (duplicateFeatures.Execute())//Execute and ExecuteAsync will return true if the operation was successful and false if not
    {
      var modifyOp = duplicateFeatures.CreateChainedOperation();
      modifyOp.Modify(featureLayer, (long)rtoken.ObjectID, GeometryEngine.Instance.Move(geom, 500.0, 500.0));
      if (!modifyOp.IsEmpty)
      {
        var result = modifyOp.Execute();
      }
    }
  }
}

var explodeFeatures = new EditOperation() { Name = "Explode Features" };

//Take a multipart and convert it into one feature per part
//Provide a list of ids to convert multiple
explodeFeatures.Explode(featureLayer, new List<long>() { oid }, true);

//Execute to execute the operation
//Must be called within QueuedTask.Run
if (!explodeFeatures.IsEmpty)
{
  var result = explodeFeatures.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

//or use async flavor
//await explodeFeatures.ExecuteAsync();

var mergeFeatures = new EditOperation() { Name = "Merge Features" };

//Merge three features into a new feature using defaults
//defined in the current template
//At 2.x -
//mergeFeatures.Merge(this.CurrentTemplate as EditingFeatureTemplate, featureLayer, new List<long>() { 10, 96, 12 });
mergeFeatures.Merge(this.CurrentTemplate as EditingRowTemplate, featureLayer, new List<long>() { 10, 96, 12 });

//Merge three features into a new feature in the destination layer
mergeFeatures.Merge(destinationLayer, featureLayer, new List<long>() { 10, 96, 12 });

//Use an inspector to set the new attributes of the merged feature
var inspector = new Inspector();
inspector.Load(featureLayer, oid);//base attributes on an existing feature
//change attributes for the new feature
inspector["NAME"] = "New name";
inspector["DESCRIPTION"] = "New description";

//Merge features into a new feature in the same layer using the
//defaults set in the inspector
mergeFeatures.Merge(featureLayer, new List<long>() { 10, 96, 12 }, inspector);

//Execute to execute the operation
//Must be called within QueuedTask.Run
if (!mergeFeatures.IsEmpty)
{
  var result = mergeFeatures.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

//or use async flavor
//await mergeFeatures.ExecuteAsync();

var modifyFeature = new EditOperation() { Name = "Modify a feature" };

//use an inspector
var modifyInspector = new Inspector();
modifyInspector.Load(featureLayer, oid);//base attributes on an existing feature

//change attributes for the new feature
modifyInspector["SHAPE"] = polygon;//Update the geometry
modifyInspector["NAME"] = "Updated name";//Update attribute(s)

modifyFeature.Modify(modifyInspector);

//update geometry and attributes using overload
var featureAttributes = new Dictionary<string, object>();
featureAttributes["NAME"] = "Updated name";//Update attribute(s)
modifyFeature.Modify(featureLayer, oid, polygon, featureAttributes);

//Execute to execute the operation
//Must be called within QueuedTask.Run
if (!modifyFeature.IsEmpty)
{
  var result = modifyFeature.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

//or use async flavor
//await modifyFeatures.ExecuteAsync();

//Search by attribute
var queryFilter = new QueryFilter() { WhereClause = "OBJECTID < 1000000" };
//Create list of oids to update
var oidSet = new List<long>();
using (var rc = featureLayer.Search(queryFilter))
{
  while (rc.MoveNext())
  {
    using (var record = rc.Current)
    {
      oidSet.Add(record.GetObjectID());
    }
  }
}

//create and execute the edit operation
var modifyFeatures = new EditOperation() { Name = "Modify features" };
modifyFeatures.ShowProgressor = true;

var multipleFeaturesInsp = new Inspector();
multipleFeaturesInsp.Load(featureLayer, oidSet);
multipleFeaturesInsp["MOMC"] = 24;
modifyFeatures.Modify(multipleFeaturesInsp);
if (!modifyFeatures.IsEmpty)
{
  var result = modifyFeatures.ExecuteAsync(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
  //find layer
  var disLayer = ArcGIS.Desktop.Mapping.MapView.Active.Map.FindLayers("Distribution mains").FirstOrDefault() as BasicFeatureLayer;

  //Search by attribute
  var filter = new ArcGIS.Core.Data.QueryFilter { WhereClause = "CONTRACTOR = 'KCGM'" };

  var oids = new List<long>();
  using (var rc = disLayer.Search(filter))
  {
    //Create list of oids to update
    while (rc.MoveNext())
    {
      using (var record = rc.Current)
      {
        oidSet.Add(record.GetObjectID());
      }
    }
  }

  //Create edit operation 
  var modifyOp = new EditOperation() { Name = "Update date" };

  // load features into inspector and update field
  var dateInsp = new ArcGIS.Desktop.Editing.Attributes.Inspector();
  dateInsp.Load(disLayer, oids);
  dateInsp["InspDate"] = "9/21/2013";

  // modify and execute
  modifyOp.Modify(insp);
  if (!modifyOp.IsEmpty)
  {
    var result = modifyOp.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
  }
});

//Get all of the selected ObjectIDs from the layer.
var firstLayer = MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>().FirstOrDefault();
var selectionfromMap = firstLayer.GetSelection();

// set up a dictionary to store the layer and the object IDs of the selected features
var selectionDictionary = new Dictionary<MapMember, List<long>>();
selectionDictionary.Add(firstLayer as MapMember, selectionfromMap.GetObjectIDs().ToList());

var moveFeature = new EditOperation() { Name = "Move features" };
//at 2.x - moveFeature.Move(selectionDictionary, 10, 10);  //specify your units along axis to move the geometry
moveFeature.Move(SelectionSet.FromDictionary(selectionDictionary), 10, 10);  //specify your units along axis to move the geometry
if (!moveFeature.IsEmpty)
{
  var result = moveFeature.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

//Get all of the selected ObjectIDs from the layer.
var abLayer = MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>().FirstOrDefault();
var mySelection = abLayer.GetSelection();
var selOid = mySelection.GetObjectIDs().FirstOrDefault();

var moveToPoint = new MapPointBuilderEx(1.0, 2.0, 3.0, 4.0, MapView.Active.Map.SpatialReference); //can pass in coordinates.

var modifyFeatureCoord = new EditOperation() { Name = "Move features" };
modifyFeatureCoord.Modify(abLayer, selOid, moveToPoint.ToGeometry());  //Modify the feature to the new geometry 
if (!modifyFeatureCoord.IsEmpty)
{
  var result = modifyFeatureCoord.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

// note - EditOperation.Planarize requires a standard license. 
//  An exception will be thrown if Pro is running under a basic license. 

var planarizeFeatures = new EditOperation() { Name = "Planarize Features" };

//Planarize one or more features
planarizeFeatures.Planarize(featureLayer, new List<long>() { oid });

//Execute to execute the operation
//Must be called within QueuedTask.Run
if (!planarizeFeatures.IsEmpty)
{
  var result = planarizeFeatures.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

//or use async flavor
//await planarizeFeatures.ExecuteAsync();

//Create parallel features from the selected features

//find the roads layer
var roadsLayer = MapView.Active.Map.FindLayers("Roads").FirstOrDefault();

//instantiate parallelOffset builder and set parameters
var parOffsetBuilder = new ParallelOffset.Builder()
{
  Selection = MapView.Active.Map.GetSelection(),
  Template = roadsLayer.GetTemplate("Freeway"),
  Distance = 200,
  Side = ParallelOffset.SideType.Both,
  Corner = ParallelOffset.CornerType.Mitered,
  Iterations = 1,
  AlignConnected = false,
  CopyToSeparateFeatures = false,
  RemoveSelfIntersectingLoops = true
};

//create editoperation and execute
var parallelOp = new EditOperation();
parallelOp.Create(parOffsetBuilder);
if (!parallelOp.IsEmpty)
{
  var result = parallelOp.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

var reshapeFeatures = new EditOperation() { Name = "Reshape Features" };

reshapeFeatures.Reshape(featureLayer, oid, modifyLine);

//Reshape a set of features that intersect some geometry....

//at 2.x - var selFeatures = MapView.Active.GetFeatures(modifyLine).Select(
//    k => new KeyValuePair<MapMember, List<long>>(k.Key as MapMember, k.Value));
//reshapeFeatures.Reshape(selFeatures, modifyLine);

reshapeFeatures.Reshape(MapView.Active.GetFeatures(modifyLine), modifyLine);

//Execute to execute the operation
//Must be called within QueuedTask.Run
if (!reshapeFeatures.IsEmpty)
{
  var result = reshapeFeatures.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

//or use async flavor
//await reshapeFeatures.ExecuteAsync();

var rotateFeatures = new EditOperation() { Name = "Rotate Features" };

//Rotate works on a selected set of features
//Get all features that intersect a polygon

//at 2.x - var rotateSelection = MapView.Active.GetFeatures(polygon).Select(
//    k => new KeyValuePair<MapMember, List<long>>(k.Key as MapMember, k.Value));
//rotateFeatures.Rotate(rotateSelection, origin, Math.PI / 2);

//Rotate selected features 90 deg about "origin"
rotateFeatures.Rotate(MapView.Active.GetFeatures(polygon), origin, Math.PI / 2);

//Execute to execute the operation
//Must be called within QueuedTask.Run
if (!rotateFeatures.IsEmpty)
{
  var result = rotateFeatures.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

//or use async flavor
//await rotateFeatures.ExecuteAsync();

var scaleFeatures = new EditOperation() { Name = "Scale Features" };

//Rotate works on a selected set of features

//var scaleSelection = MapView.Active.GetFeatures(polygon).Select(
//    k => new KeyValuePair<MapMember, List<long>>(k.Key as MapMember, k.Value));
//scaleFeatures.Scale(scaleSelection, origin, 2.0, 2.0, 0.0);

//Scale the selected features by 2.0 in the X and Y direction
scaleFeatures.Scale(MapView.Active.GetFeatures(polygon), origin, 2.0, 2.0, 0.0);

//Execute to execute the operation
//Must be called within QueuedTask.Run
if (!scaleFeatures.IsEmpty)
{
  var result = scaleFeatures.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

//or use async flavor
//await scaleFeatures.ExecuteAsync();

var splitFeatures = new EditOperation() { Name = "Split Features" };

var splitPoints = new List<MapPoint>() { mp1, mp2, mp3 };

//Split the feature at 3 points
splitFeatures.Split(featureLayer, oid, splitPoints);

// split using percentage
var splitByPercentage = new SplitByPercentage() { Percentage = 33, SplitFromStartPoint = true };
splitFeatures.Split(featureLayer, oid, splitByPercentage);

// split using equal parts
var splitByEqualParts = new SplitByEqualParts() { NumParts = 3 };
splitFeatures.Split(featureLayer, oid, splitByEqualParts);

// split using single distance
var splitByDistance = new SplitByDistance() { Distance = 27.3, SplitFromStartPoint = false };
splitFeatures.Split(featureLayer, oid, splitByDistance);

// split using varying distance
var distances = new List<double>() { 12.5, 38.2, 89.99 };
var splitByVaryingDistance = new SplitByVaryingDistance() { Distances = distances, SplitFromStartPoint = true, ProportionRemainder = true };
splitFeatures.Split(featureLayer, oid, splitByVaryingDistance);

//Execute to execute the operation
//Must be called within QueuedTask.Run
if (!splitFeatures.IsEmpty)
{
  var result = splitFeatures.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

//or use async flavor
//await splitAtPointsFeatures.ExecuteAsync();

var transformFeatures = new EditOperation() { Name = "Transform Features" };

//Transform a selected set of features
//At 2.x - var transformSelection = MapView.Active.GetFeatures(polygon).Select(
//    k => new KeyValuePair<MapMember, List<long>>(k.Key as MapMember, k.Value));
//transformFeatures.Transform(transformSelection, linkLayer);
////Transform just a layer
//transformFeatures.Transform(featureLayer, linkLayer);
////Perform an affine transformation
//transformFeatures.TransformAffine(featureLayer, linkLayer);

var affine_transform = new TransformByLinkLayer()
{
  LinkLayer = linkLayer,
  TransformType = TransformMethodType.Affine //TransformMethodType.Similarity
};
//Transform a selected set of features
transformFeatures.Transform(MapView.Active.GetFeatures(polygon), affine_transform);
//Perform an affine transformation
transformFeatures.Transform(featureLayer, affine_transform);

//Execute to execute the operation
//Must be called within QueuedTask.Run
if (!transformFeatures.IsEmpty)
{
  var result = transformFeatures.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

//or use async flavor
//await transformFeatures.ExecuteAsync();

//Perform rubbersheet by geometries
var rubbersheetMethod = new RubbersheetByGeometries()
{
  RubbersheetType = RubbersheetMethodType.Linear, //The RubbersheetType can be Linear of NearestNeighbor
  LinkLines = linkLines, //IEnumerable list of link lines (polylines)
  AnchorPoints = anchorPoints, //IEnumerable list of anchor points (map points)
  LimitedAdjustmentAreas = limitedAdjustmentAreas //IEnumerable list of limited adjustment areas (polygons)
};

var rubbersheetOp = new EditOperation();
//Performs linear rubbersheet transformation on the features belonging to "layer" that fall within the limited adjustment areas
rubbersheetOp.Rubbersheet(layer, rubbersheetMethod);
//Execute the operation
if (!rubbersheetOp.IsEmpty)
{
  var result = rubbersheetOp.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

//Alternatively, you can also perform rubbersheet by layer
var rubbersheetMethod2 = new RubbersheetByLayers()
{
  RubbersheetType = RubbersheetMethodType.NearestNeighbor, //The RubbersheetType can be Linear of NearestNeighbor
  LinkLayer = linkLayer,
  AnchorPointLayer = anchorPointsLayer,
  LimitedAdjustmentAreaLayer = limitedAdjustmentAreaLayer
};

//Performs nearest neighbor rubbersheet transformation on the features belonging to "layer" that fall within the limited adjustment areas
rubbersheetOp.Rubbersheet(layer, rubbersheetMethod2);
if (!rubbersheetOp.IsEmpty)
{
  //Execute the operation
  var result = rubbersheetOp.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

//Multiple operations can be performed by a single
//edit operation.
var clipCutPlanarizeFeatures = new EditOperation() { Name = "Clip, Cut, and Planarize Features" };
clipCutPlanarizeFeatures.Clip(featureLayer, oid, clipPoly);
clipCutPlanarizeFeatures.Split(featureLayer, oid, cutLine);
clipCutPlanarizeFeatures.Planarize(featureLayer, oid);

if (!clipCutPlanarizeFeatures.IsEmpty)
{
  //Note: An edit operation is a single transaction. 
  //Execute the operations (in the order they were declared)
  clipCutPlanarizeFeatures.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

//or use async flavor
//await clipCutPlanarizeFeatures.ExecuteAsync();

//Chaining operations is a special case. Use "Chained Operations" when you require multiple transactions 
//to be undo-able with a single "Undo".

//The most common use case for operation chaining is creating a feature with an attachment. 
//Adding an attachment requires the object id (of a new feature) has already been created. 
var editOperation1 = new EditOperation() { Name = string.Format("Create point in '{0}'", CurrentTemplate.Layer.Name) };

long newFeatureID = -1;
//The Create operation has to execute so we can get an object_id
var token2 = editOperation1.Create(this.CurrentTemplate, polygon);

//Must be within a QueuedTask
editOperation1.Execute(); //Note: Execute and ExecuteAsync will return true if the operation was successful and false if not
if (editOperation1.IsSucceeded)
{
  newFeatureID = (long)token2.ObjectID;
  //Now, because we have the object id, we can add the attachment.  As we are chaining it, adding the attachment 
  //can be undone as part of the "Undo Create" operation. In other words, only one undo operation will show on the 
  //Pro UI and not two.
  var editOperation2 = editOperation1.CreateChainedOperation();
  //Add the attachment using the new feature id
  editOperation2.AddAttachment(this.CurrentTemplate.Layer, newFeatureID, @"C:\data\images\Hydrant.jpg");
  //Execute the chained edit operation. editOperation1 and editOperation2 show up as a single Undo operation
  //on the UI even though we had two transactions
  editOperation2.Execute();
}

//ArcGIS Pro 2.5 extends the EditOperation.AddAttachment method to take a RowToken as a parameter.
//This allows you to create a feature, using EditOperation.CreateEx, and add an attachment in one transaction.

var editOpAttach = new EditOperation();
editOperation1.Name = string.Format("Create point in '{0}'", CurrentTemplate.Layer.Name);

var attachRowToken = editOpAttach.Create(this.CurrentTemplate, polygon);
editOpAttach.AddAttachment(attachRowToken, @"c:\temp\image.jpg");

//Must be within a QueuedTask
if (!editOpAttach.IsEmpty)
{
  var result = editOpAttach.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

// perform an edit and then a split as one operation.
QueuedTask.Run(() =>
{
  var queryFilter = new QueryFilter() { WhereClause = "OBJECTID = " + oid.ToString() };

  // create an edit operation and name.
  var op = new EditOperation() { Name = "modify followed by split" };
  // set the ExecuteMode
  op.ExecuteMode = ExecuteModeType.Sequential;

  using (var rowCursor = fc.Search(queryFilter, false))
  {
    while (rowCursor.MoveNext())
    {
      using (var feature = rowCursor.Current as Feature)
      {
        op.Modify(feature, "NAME", newName);
      }
    }
  }

  op.Split(layer, oid, splitLine);
  if (!op.IsEmpty)
  {
    bool result = op.Execute();
  }
  // else
  //  The operation doesn't make any changes to the database so if executed it will fail
});

// SetOnUndone, SetOnRedone and SetOnComitted can be used to manage 
// external actions(such as writing to a log table) that are associated with 
// each edit operation.

//get selected feature and update attribute
var selectedFeatures = MapView.Active.Map.GetSelection();
var testInspector = new Inspector();
testInspector.Load(selectedFeatures.ToDictionary().Keys.First(), selectedFeatures.ToDictionary().Values.First());
testInspector["Name"] = "test";

//create and execute the edit operation
var updateTestField = new EditOperation() { Name = "Update test field" };
updateTestField.Modify(insp);

//actions for SetOn...
updateTestField.SetOnUndone(() =>
{
  //Sets an action that will be called when this operation is undone.
  Debug.WriteLine("Operation is undone");
});

updateTestField.SetOnRedone(() =>
{
  //Sets an action that will be called when this editoperation is redone.
  Debug.WriteLine("Operation is redone");
});

updateTestField.SetOnComitted((bool b) => //called on edit session save(true)/discard(false).
{
  // Sets an action that will be called when this editoperation is committed.
  Debug.WriteLine("Operation is committed");
});

if (!updateTestField.IsEmpty)
{
  var result = updateTestField.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
}

//Control points are special vertices used to apply symbol effects to line or polygon features.
//By default, they appear as diamonds when you edit them.
//They can also be used to migrate representations from ArcMap to features in ArcGIS Pro.
QueuedTask.Run(() =>
{
  //iterate through the points in the polyline.
  var lineLayerCursor = lineLayer.GetSelection().Search();
  var lineVertices = new List<MapPoint>();
  long oid = -1;
  while (lineLayerCursor.MoveNext())
  {
    var lineFeature = lineLayerCursor.Current as Feature;
    var line = lineFeature.GetShape() as Polyline;
    int vertexIndex = 1;
    oid = lineFeature.GetObjectID();
    //Each point is converted into a MapPoint and gets added to a list. 
    foreach (var point in line.Points)
    {
      MapPointBuilderEx mapPointBuilderEx = new MapPointBuilderEx(point);
      //Changing the vertex 6 and 7 to control points
      if (vertexIndex == 6 || vertexIndex == 7)
      {
        //These points are made "ID Aware" and the IDs are set to be 1.
        mapPointBuilderEx.HasID = true;
        mapPointBuilderEx.ID = 1;
      }
      
      lineVertices.Add(mapPointBuilderEx.ToGeometry() as MapPoint);
      vertexIndex++;
    }
  }
  //create a new polyline using the point collection.
  var newLine = PolylineBuilderEx.CreatePolyline(lineVertices);
  //edit operation to modify the original line with the new line that contains control points.
  changeVertexIDOperation.Modify(lineLayer, oid, newLine);
  changeVertexIDOperation.Execute();
});

// if not editing
if (!Project.Current.IsEditingEnabled)
{
  var res = MessageBox.Show("You must enable editing to use editing tools. Would you like to enable editing?",
                                                        "Enable Editing?", System.Windows.MessageBoxButton.YesNoCancel);
  if (res == System.Windows.MessageBoxResult.No ||
                res == System.Windows.MessageBoxResult.Cancel)
  {
    return;
  }
  Project.Current.SetIsEditingEnabledAsync(true);
}

// if editing
if (Project.Current.IsEditingEnabled)
{
  var res = MessageBox.Show("Do you want to disable editing? Editing tools will be disabled",
                                                         "Disable Editing?", System.Windows.MessageBoxButton.YesNoCancel);
  if (res == System.Windows.MessageBoxResult.No ||
                res == System.Windows.MessageBoxResult.Cancel)
  {
    return;
  }

  //we must check for edits
  if (Project.Current.HasEdits)
  {
    res = MessageBox.Show("Save edits?", "Save Edits?", System.Windows.MessageBoxButton.YesNoCancel);
    if (res == System.Windows.MessageBoxResult.Cancel)
      return;
    else if (res == System.Windows.MessageBoxResult.No)
      Project.Current.DiscardEditsAsync();
    else
    {
      Project.Current.SaveEditsAsync();
    }
  }
  Project.Current.SetIsEditingEnabledAsync(false);
}

protected void SubscribeRowEvent()
{
  QueuedTask.Run(() =>
  {
    //Listen for row events on a layer
    var featLayer = MapView.Active.GetSelectedLayers().First() as FeatureLayer;
    var layerTable = featLayer.GetTable();

    //subscribe to row events
    var rowCreateToken = RowCreatedEvent.Subscribe(OnRowCreated, layerTable);
    var rowChangeToken = RowChangedEvent.Subscribe(OnRowChanged, layerTable);
    var rowDeleteToken = RowDeletedEvent.Subscribe(OnRowDeleted, layerTable);
  });
}

protected void OnRowCreated(RowChangedEventArgs args)
{
}

protected void OnRowChanged(RowChangedEventArgs args)
{
}

protected void OnRowDeleted(RowChangedEventArgs args)
{
}

// Use the EditOperation in the RowChangedEventArgs to append actions to be executed. 
//  Your actions will become part of the operation and combined into one item on the undo stack

private void HookRowCreatedEvent()
{
  // subscribe to the RowCreatedEvent
  Table table = MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>().FirstOrDefault().GetTable();
  RowCreatedEvent.Subscribe(MyRowCreatedEvent, table);
}

private void MyRowCreatedEvent(RowChangedEventArgs args)
{
  // RowEvent callbacks are always called on the QueuedTask so there is no need 
  // to wrap your code within a QueuedTask.Run lambda.

  // get the edit operation
  var parentEditOp = args.Operation;

  // set up some attributes
  var attribs = new Dictionary<string, object> { };
  attribs.Add("Layer", "Parcels");
  attribs.Add("Description", "OID: " + args.Row.GetObjectID().ToString() + " " + DateTime.Now.ToShortTimeString());

  //create a record in an audit table
  var sTable = MapView.Active.Map.FindStandaloneTables("EditHistory").First();
  var table = sTable.GetTable();
  parentEditOp.Create(table, attribs);
}

// Use the EditOperation in the RowChangedEventArgs to append actions to be executed. 
//  Your actions will become part of the operation and combined into one item on the undo stack

private void HookCreatedEvent()
{
  // subscribe to the RowCreatedEvent
  Table table = MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>().FirstOrDefault().GetTable();
  RowCreatedEvent.Subscribe(OnRowCreatedEvent, table);
}

private void OnRowCreatedEvent(RowChangedEventArgs args)
{
  // RowEvent callbacks are always called on the QueuedTask so there is no need 
  // to wrap your code within a QueuedTask.Run lambda.

  // update a separate table not in the map when a row is created
  // You MUST use the ArcGIS.Core.Data API to edit the table. Do NOT
  // use a new edit operation in the RowEvent callbacks
  try
  {
    // get the edit operation
    var parentEditOp = args.Operation;

    // set up some attributes
    var attribs = new Dictionary<string, object> { };
    attribs.Add("Description", "OID: " + args.Row.GetObjectID().ToString() + " " + DateTime.Now.ToShortTimeString());

    // update Notes table with information about the new feature
    using (var geoDatabase = new Geodatabase(new FileGeodatabaseConnectionPath(new Uri(Project.Current.DefaultGeodatabasePath))))
    {
      using (var table = geoDatabase.OpenDataset<Table>("Notes"))
      {
        parentEditOp.Create(table, attribs);
      }
    }
  }
  catch (Exception e)
  {
    MessageBox.Show($@"Error in OnRowCreated for OID: {args.Row.GetObjectID()} : {e.ToString()}");
  }
}

private void HookRowChangedEvent()
{
  // subscribe to the RowChangedEvent
  Table table = MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>().FirstOrDefault().GetTable();
  RowChangedEvent.Subscribe(OnRowChangedEvent, table);
}

private Guid _currentRowChangedGuid = Guid.Empty;
protected void OnRowChangedEvent(RowChangedEventArgs args)
{
  // RowEvent callbacks are always called on the QueuedTask so there is no need 
  // to wrap your code within a QueuedTask.Run lambda.

  var row = args.Row;

  // check for re-entry  (only if row.Store is called)
  if (_currentRowChangedGuid == args.Guid)
    return;

  var fldIdx = row.FindField("POLICE_DISTRICT");
  if (fldIdx != -1)
  {
    //Validate any change to �police district�
    //   cancel the edit if validation on the field fails
    if (row.HasValueChanged(fldIdx))
    {
      // cancel edit with invalid district (5)
      var value = row["POLICE_DISTRICT"].ToString();
      if (value == "5")
      {
        //Cancel edits with invalid �police district� values
        args.CancelEdit($"Police district {row["POLICE_DISTRICT"]} is invalid");
      }
    }

    // update the description field
    row["Description"] = "Row Changed";

    //  this update with cause another OnRowChanged event to occur
    //  keep track of the row guid to avoid recursion
    _currentRowChangedGuid = args.Guid;
    row.Store();
    _currentRowChangedGuid = Guid.Empty;
  }
}

private void HookChangedEvent()
{
  // subscribe to the RowChangedEvent
  Table table = MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>().FirstOrDefault().GetTable();
  RowChangedEvent.Subscribe(MyRowChangedEvent, table);
}

private void MyRowChangedEvent(RowChangedEventArgs args)
{
  // RowEvent callbacks are always called on the QueuedTask so there is no need 
  // to wrap your code within a QueuedTask.Run lambda.

  //example of modifying a field on a row that has been created
  var parentEditOp = args.Operation;

  // avoid recursion
  if (_lastEdit != args.Guid)
  {
    //update field on change
    parentEditOp.Modify(args.Row, "ZONING", "New");

    _lastEdit = args.Guid;
  }
}

private static FeatureLayer featureLayer;
private static void DetermineGeometryChange()
{
  featureLayer = MapView.Active?.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>().FirstOrDefault();
  if (featureLayer == null)
    return;

  QueuedTask.Run(() =>
  {
    //Listen to the RowChangedEvent that occurs when a Row is changed.
    ArcGIS.Desktop.Editing.Events.RowChangedEvent.Subscribe(OnRowChangedEvent2, featureLayer.GetTable());
  });
}
private static void OnRowChangedEvent2(RowChangedEventArgs args)
{
  // RowEvent callbacks are always called on the QueuedTask so there is no need 
  // to wrap your code within a QueuedTask.Run lambda.

  //Get the layer's definition
  var lyrDefn = featureLayer.GetFeatureClass().GetDefinition();
  //Get the shape field of the feature class
  string shapeField = lyrDefn.GetShapeField();
  //Index of the shape field
  var shapeIndex = lyrDefn.FindField(shapeField);
  //Original geometry of the modified row
  var geomOrig = args.Row.GetOriginalValue(shapeIndex) as Geometry;
  //New geometry of the modified row
  var geomNew = args.Row[shapeIndex] as Geometry;
  //Compare the two
  bool shapeChanged = geomOrig.IsEqual(geomNew);
}

public void StopADelete()
{
  // subscribe to the RowDeletedEvent for the appropriate table
  Table table = MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>().FirstOrDefault().GetTable();
  RowDeletedEvent.Subscribe(OnRowDeletedEvent, table);
}

private Guid _currentRowDeletedGuid = Guid.Empty;
private void OnRowDeletedEvent(RowChangedEventArgs args)
{
  // RowEvent callbacks are always called on the QueuedTask so there is no need 
  // to wrap your code within a QueuedTask.Run lambda.

  var row = args.Row;

  // check for re-entry 
  if (_currentRowDeletedGuid == args.Guid)
    return;

  // cancel the delete if the feature is in Police District 5
  var fldIdx = row.FindField("POLICE_DISTRICT");
  if (fldIdx != -1)
  {
    var value = row[fldIdx].ToString();
    if (value == "5")
    {
      //cancel with dialog
      // Note - feature edits on Hosted and Standard Feature Services cannot be cancelled.
      args.CancelEdit("Delete Event\nAre you sure", true);

      // or cancel without a dialog
      // args.CancelEdit();
    }
  }
  _currentRowDeletedGuid = args.Guid;
}

protected void SubEditEvents()
{
  //subscribe to editcompleted
  var eceToken = EditCompletedEvent.Subscribe(OnEce);
}

protected Task OnEce(EditCompletedEventArgs args)
{
  //show number of edits
  Console.WriteLine("Creates: " + args.Creates.ToDictionary().Values.Sum(list => list.Count).ToString());
  Console.WriteLine("Modifies: " + args.Modifies.ToDictionary().Values.Sum(list => list.Count).ToString());
  Console.WriteLine("Deletes: " + args.Deletes.ToDictionary().Values.Sum(list => list.Count).ToString());
  return Task.FromResult(0);
}

// get the first feature layer in the map
var firstFeatureLayer = ArcGIS.Desktop.Mapping.MapView.Active.Map.GetLayersAsFlattenedList().
    OfType<ArcGIS.Desktop.Mapping.FeatureLayer>().FirstOrDefault();

// create an instance of the inspector class
var inspector = new ArcGIS.Desktop.Editing.Attributes.Inspector();
// load the feature with ObjectID 'oid' into the inspector
await inspector.LoadAsync(firstFeatureLayer, oid);

// get the currently selected features in the map
var selectedFeatures = ArcGIS.Desktop.Mapping.MapView.Active.Map.GetSelection();
// get the first layer and its corresponding selected feature OIDs
var firstSelectionSet = selectedFeatures.ToDictionary().First();

// create an instance of the inspector class
var inspector = new ArcGIS.Desktop.Editing.Attributes.Inspector();
// load the selected features into the inspector using a list of object IDs
await inspector.LoadAsync(firstSelectionSet.Key, firstSelectionSet.Value);

QueuedTask.Run(() =>
{

  // get the currently selected features in the map
  var selectedFeatures = ArcGIS.Desktop.Mapping.MapView.Active.Map.GetSelection();

  // get the first layer and its corresponding selected feature OIDs
  var firstSelectionSet = selectedFeatures.ToDictionary().First();

  // create an instance of the inspector class
  var inspector = new ArcGIS.Desktop.Editing.Attributes.Inspector();

  // load the selected features into the inspector using a list of object IDs
  inspector.Load(firstSelectionSet.Key, firstSelectionSet.Value);

  //get the value of
  var pscode = inspector["STATE_NAME"];
  var myGeometry = inspector.Shape;
});

// get the currently selected features in the map
var selectedFeatures = ArcGIS.Desktop.Mapping.MapView.Active.Map.GetSelection();
// get the first layer and its corresponding selected feature OIDs
var firstSelectionSet = selectedFeatures.ToDictionary().First();

// create an instance of the inspector class
var inspector = new ArcGIS.Desktop.Editing.Attributes.Inspector();
// load the selected features into the inspector using a list of object IDs
await inspector.LoadAsync(firstSelectionSet.Key, firstSelectionSet.Value);

// assign the new attribute value to the field "Description"
// if more than one features are loaded, the change applies to all features
inspector["Description"] = "The new value.";
// apply the changes as an edit operation 
await inspector.ApplyAsync();

QueuedTask.Run(() =>
{
  var firstFeatureLayer = MapView.Active.Map.GetLayersAsFlattenedList().OfType<ArcGIS.Desktop.Mapping.FeatureLayer>().FirstOrDefault();

  // create an instance of the inspector class
  var inspector = new ArcGIS.Desktop.Editing.Attributes.Inspector();

  // load the layer
  inspector.LoadSchema(firstFeatureLayer);

  // iterate through the attributes, looking at properties
  foreach (var attribute in inspector)
  {
    var fldName = attribute.FieldName;
    var fldAlias = attribute.FieldAlias;
    var fldType = attribute.FieldType;
    int idxFld = attribute.FieldIndex;
    var fld = attribute.GetField();
    var isNullable = attribute.IsNullable;
    var isEditable = attribute.IsEditable;
    var isVisible = attribute.IsVisible;
    var isSystemField = attribute.IsSystemField;
    var isGeometryField = attribute.IsGeometryField;
  }
});

var insp = new Inspector();
insp.LoadSchema(featLayer);
var attrib = insp.Where(a => a.FieldName == "Mineral").First();

attrib.AddValidate(() =>
{
  if (attrib.CurrentValue.ToString() == "Salt")
    return Enumerable.Empty<ArcGIS.Desktop.Editing.Attributes.Attribute.ValidationError>();
  else return new[] { ArcGIS.Desktop.Editing.Attributes.Attribute.ValidationError.Create("Error", ArcGIS.Desktop.Editing.Attributes.Severity.Low) };
});

QueuedTask.Run(() =>
{
  //get selected feature into inspector
  var selectedFeatures = MapView.Active.Map.GetSelection();

  var insp = new Inspector();
  insp.Load(selectedFeatures.ToDictionary().Keys.First(), selectedFeatures.ToDictionary().Values.First());

  //read a blob field and save to a file
  var msw = new MemoryStream();
  msw = insp["Blobfield"] as MemoryStream;
  using (FileStream file = new FileStream(@"d:\temp\blob.jpg", FileMode.Create, FileAccess.Write))
  {
    msw.WriteTo(file);
  }

  //read file into memory stream
  var msr = new MemoryStream();
  using (FileStream file = new FileStream(@"d:\images\Hydrant.jpg", FileMode.Open, FileAccess.Read))
  {
    file.CopyTo(msr);
  }

  //put the memory stream in the blob field and save to feature
  var op = new EditOperation() { Name = "Blob Inspector" };
  insp["Blobfield"] = msr;
  op.Modify(insp);
  if (!op.IsEmpty)
  {
    var result = op.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
  }
});

QueuedTask.Run(() =>
{
  var editOp = new EditOperation() { Name = "Blob Cursor" };
  var featLayer = MapView.Active.Map.FindLayers("Hydrant").First() as FeatureLayer;

  editOp.Callback((context) =>
  {
    using (var rc = featLayer.GetTable().Search(null, false))
    {
      while (rc.MoveNext())
      {
        using (var record = rc.Current)
        {
          //read the blob field and save to a file
          var msw = new MemoryStream();
          msw = record["BlobField"] as MemoryStream;
          using (FileStream file = new FileStream(@"d:\temp\blob.jpg", FileMode.Create, FileAccess.Write))
          {
            msw.WriteTo(file);
          }

          //read file into memory stream
          var msr = new MemoryStream();
          using (FileStream file = new FileStream(@"d:\images\Hydrant.jpg", FileMode.Open, FileAccess.Read))
          {
            file.CopyTo(msr);
          }

          //put the memory stream in the blob field and save to feature
          record["BlobField"] = msr;
          record.Store();

        }
      }
    }
  }, featLayer.GetTable());
  if (!editOp.IsEmpty)
  {
    var result = editOp.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
  }
});

QueuedTask.Run(() =>
{
  var sel = MapView.Active.Map.GetSelection();

  //Read a raster from a raster field as an InteropBitmap
  //the bitmap can then be used as an imagesource or written to disk
  var insp = new ArcGIS.Desktop.Editing.Attributes.Inspector();
  insp.Load(sel.ToDictionary().Keys.First(), sel.ToDictionary().Values.First());
  var ibmp = insp["Photo"] as System.Windows.Interop.InteropBitmap;
});

QueuedTask.Run(() =>
{
  var sel = MapView.Active.Map.GetSelection();

  //Insert an image into a raster field
  //Image will be written with no compression
  var insp = new ArcGIS.Desktop.Editing.Attributes.Inspector();
  insp.Load(sel.ToDictionary().Keys.First(), sel.ToDictionary().Values.First());
  insp["Photo"] = @"e:\temp\Hydrant.jpg";

  var op = new EditOperation() { Name = "Raster Inspector" };
  op.Modify(insp);
  if (!op.IsEmpty)
  {
    var result = op.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
  }
});

QueuedTask.Run(() =>
{
  //Open the raster dataset on disk and create a compressed raster value dataset object
  var dataStore = new ArcGIS.Core.Data.FileSystemDatastore(new ArcGIS.Core.Data.FileSystemConnectionPath(new System.Uri(@"e:\temp"), ArcGIS.Core.Data.FileSystemDatastoreType.Raster));
  using (var fileRasterDataset = dataStore.OpenDataset<ArcGIS.Core.Data.Raster.RasterDataset>("Hydrant.jpg"))
  {
    var storageDef = new ArcGIS.Core.Data.Raster.RasterStorageDef();
    storageDef.SetCompressionType(ArcGIS.Core.Data.Raster.RasterCompressionType.JPEG);
    storageDef.SetCompressionQuality(90);

    var rv = new ArcGIS.Core.Data.Raster.RasterValue();
    rv.SetRasterDataset(fileRasterDataset);
    rv.SetRasterStorageDef(storageDef);

    var sel = MapView.Active.Map.GetSelection();

    //insert a raster value object into the raster field
    var insp = new ArcGIS.Desktop.Editing.Attributes.Inspector();
    insp.Load(sel.ToDictionary().Keys.First(), sel.ToDictionary().Values.First());
    insp["Photo"] = rv;

    var op = new EditOperation() { Name = "Raster Inspector" };
    op.Modify(insp);
    if (!op.IsEmpty)
    {
      var result = op.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
    }
  }
});

public class MyProvider : InspectorProvider
{
  private System.Guid guid = System.Guid.NewGuid();
  internal MyProvider()
  {
  }
  public override System.Guid SharedFieldColumnSizeID()
  {
    return guid;
  }

  public override string CustomName(Attribute attr)
  {
    //Giving a custom name to be displayed for the field FeatureID
    if (attr.FieldName == "FeatureID")
      return "Feature Identification";

    return attr.FieldName;
  }
  public override bool? IsVisible(Attribute attr)
  {
    //The field FontStyle will not be visible
    if (attr.FieldName == "FontStyle")
      return false;

    return true;
  }
  public override bool? IsEditable(Attribute attr)
  {
    //The field DateField will not be editable
    if (attr.FieldName == "DateField")
      return false;

    return true;
  }
  public override bool? IsHighlighted(Attribute attr)
  {
    //ZOrder field will be highlighted in the feature inspector grid
    if (attr.FieldName == "ZOrder")
      return true;

    return false;
  }

  public override IEnumerable<Attribute> AttributesOrder(IEnumerable<Attribute> attrs)
  {
    //Reverse the order of display
    var newList = new List<Attribute>();
    foreach (var attr in attrs)
    {
      newList.Insert(0, attr);
    }
    return newList;
  }

  public override bool? IsDirty(Attribute attr)
  {
    //The field will not be marked dirty for FeatureID if you enter the value -1
    if ((attr.FieldName == "FeatureID") && (attr.CurrentValue.ToString() == "-1"))
      return false;

    return base.IsDirty(attr);
  }

  public override IEnumerable<ArcGIS.Desktop.Editing.Attributes.Attribute.ValidationError> Validate(Attribute attr)
  {
    var errors = new List<ArcGIS.Desktop.Editing.Attributes.Attribute.ValidationError>();

    if ((attr.FieldName == "FeatureID") && (attr.CurrentValue.ToString() == "2"))
      errors.Add(ArcGIS.Desktop.Editing.Attributes.Attribute.ValidationError.Create("Value not allowed", ArcGIS.Desktop.Editing.Attributes.Severity.Low));

    if ((attr.FieldName == "FeatureID") && (attr.CurrentValue.ToString() == "-1"))
      errors.Add(ArcGIS.Desktop.Editing.Attributes.Attribute.ValidationError.Create("Invalid value", ArcGIS.Desktop.Editing.Attributes.Severity.High));

    return errors;
  }
}

var layer = ArcGIS.Desktop.Mapping.MapView.Active.Map.GetLayersAsFlattenedList().OfType<ArcGIS.Desktop.Mapping.FeatureLayer>().FirstOrDefault();

var provider = new MyProvider();
Inspector _featureInspector = provider.Create();
//Create an embeddable control from the inspector class to display on the pane
var icontrol = _featureInspector.CreateEmbeddableControl();

await _featureInspector.LoadAsync(layer, oid);
var attribute = _featureInspector.Where(a => a.FieldName == "FontStyle").FirstOrDefault();
var visibility = attribute.IsVisible; //Will return false

attribute = _featureInspector.Where(a => a.FieldName == "ZOrder").FirstOrDefault();
var highlighted = attribute.IsHighlighted; //Will return true

//UseSelection = true; (UseSelection must be set to true in the tool constructor or tool activate)
private bool _inSelMode = false;

public bool IsShiftKey(MapViewKeyEventArgs k)
{
  return (k.Key == System.Windows.Input.Key.LeftShift ||
         k.Key == System.Windows.Input.Key.RightShift);
}

protected override async void OnToolKeyDown(MapViewKeyEventArgs k)
{
  //toggle sketch selection mode with a custom key
  if (k.Key == System.Windows.Input.Key.W)
  {
    if (!_inSelMode)
    {
      k.Handled = true;

      // Toggle the tool to select mode.
      //  The sketch is saved if UseSelection = true;
      if (await ActivateSelectAsync(true))
        _inSelMode = true;
    }
  }
  else if (!_inSelMode)
  {
    //disable effect of Shift in the base class.
    //Mark the key event as handled to prevent further processing
    k.Handled = IsShiftKey(k);
  }
}
protected override void OnToolKeyUp(MapViewKeyEventArgs k)
{
  if (k.Key == System.Windows.Input.Key.W)
  {
    if (_inSelMode)
    {
      _inSelMode = false;
      k.Handled = true;//process this one

      // Toggle back to sketch mode. If UseSelection = true
      //   the sketch will be restored
      ActivateSelectAsync(false);
    }
  }
  else if (_inSelMode)
  {
    //disable effect of Shift in the base class.
    //Mark the key event as handled to prevent further processing
    k.Handled = IsShiftKey(k);
  }
}

// SketchModified event is fired by 
//  - COTS construction tools (except annotation, dimension geometry types), 
//  - Edit Vertices, Reshape, Align Features
//  - 3rd party tools with FireSketchEvents = true


//Subscribe the sketch modified event
//ArcGIS.Desktop.Mapping.Events.SketchModifiedEvent.Subscribe(OnSketchModified);

private void OnSketchModified(ArcGIS.Desktop.Mapping.Events.SketchModifiedEventArgs args)
{
  // if not an undo operation
  if (!args.IsUndo)
  {
    // what was the sketch before the change?
    var prevSketch = args.PreviousSketch;
    // what is the current sketch?
    var currentSketch = args.CurrentSketch;
    if (currentSketch is Polyline polyline)
    {
      // Examine the current (last) vertex in the line sketch
      var lastSketchPoint = polyline.Points.Last();

      // do something with the last point
    }
  }
}

// BeforeSketchCompleted event is fired by 
//  - COTS construction tools (except annotation, dimension geometry types), 
//  - Edit Vertices, Reshape, Align Features
//  - 3rd party tools with FireSketchEvents = true


//Subscribe to the before sketch completed event
//ArcGIS.Desktop.Mapping.Events.BeforeSketchCompletedEvent.Subscribe(OnBeforeSketchCompleted);

private Task OnBeforeSketchCompleted(BeforeSketchCompletedEventArgs args)
{
  //assign sketch Z values from default surface and set the sketch geometry
  var modifiedSketch = args.MapView.Map.GetZsFromSurfaceAsync(args.Sketch).Result;
  args.SetSketchGeometry(modifiedSketch.Geometry);
  return Task.CompletedTask;
}

// SketchCompleted event is fired by 
//  - COTS construction tools (except annotation, dimension geometry types), 
//  - Edit Vertices, Reshape, Align Features
//  - 3rd party tools with FireSketchEvents = true


//Subscribe to the sketch completed event
//ArcGIS.Desktop.Mapping.Events.SketchCompletedEvent.Subscribe(OnSketchCompleted);

private void OnSketchCompleted(SketchCompletedEventArgs args)
{
  // get the sketch
  var finalSketch = args.Sketch;

  // do something with the sketch - audit trail perhaps
}

internal class ConstructionTool1 : MapTool
{
  public ConstructionTool1()
  {
    IsSketchTool = true;
    UseSnapping = true;
    // Select the type of construction tool you wish to implement.  
    // Make sure that the tool is correctly registered with the correct component category type in the daml 
    SketchType = SketchGeometryType.Line;
    //Gets or sets whether the sketch is for creating a feature and should use the CurrentTemplate.
    UsesCurrentTemplate = true;

    // set FireSketchEvents property to true
    FireSketchEvents = true;
  }

  //  ...
}

//Custom tools have the ability to change the symbology used when sketching a new feature. 
//Both the Sketch Segment Symbol and the Vertex Symbol can be modified using the correct set method. 
//This is set in the activate method for the tool.
protected override Task OnToolActivateAsync(bool active)
{
  QueuedTask.Run(() =>
  {
    //Getting the current symbology options of the segment
    var segmentOptions = GetSketchSegmentSymbolOptions();
    //Modifying the primary and secondary color and the width of the segment symbology options
    var deepPurple = new CIMRGBColor() { R = 75, G = 0, B = 110 };
    segmentOptions.PrimaryColor = deepPurple;
    segmentOptions.Width = 4;
    segmentOptions.HasSecondaryColor = true;
    var pink = new CIMRGBColor() { R = 219, G = 48, B = 130 };
    segmentOptions.SecondaryColor = pink;
    //Creating a new vertex symbol options instance with the values you want
    var vertexOptions = new VertexSymbolOptions(VertexSymbolType.RegularUnselected);
    var yellow = new CIMRGBColor() { R = 255, G = 215, B = 0 };
    var purple = new CIMRGBColor() { R = 148, G = 0, B = 211 };
    vertexOptions.AngleRotation = 45;
    vertexOptions.Color = yellow;
    vertexOptions.MarkerType = VertexMarkerType.Star;
    vertexOptions.OutlineColor = purple;
    vertexOptions.OutlineWidth = 3;
    vertexOptions.Size = 5;

    //Setting the value of the segment symbol options
    SetSketchSegmentSymbolOptions(segmentOptions);
    //Setting the value of the vertex symbol options of the regular unselected vertices using the vertexOptions instance created above.
    SetSketchVertexSymbolOptions(VertexSymbolType.RegularUnselected, vertexOptions);
  });

  return base.OnToolActivateAsync(active);
}

// daml entries
// 
// <menus>
//  <menu id="MyMenu" caption="Nav">
//    <button refID="esri_mapping_prevExtentButton"/>
//    <button refID="esri_mapping_fixedZoomInButton"/>
//  </menu>
// </menus>
// <miniToolbars>
//   <miniToolbar id="MyMiniToolbar">
//    <row>
//      <button refID="esri_mapping_fixedZoomInButton"/>
//      <button refID="esri_mapping_prevExtentButton"/>
//    </row>
//   </miniToolbar>
// </miniToolbars>

public class SketchToolWithToolbar : MapTool
{
  public SketchToolWithToolbar()
  {
    IsSketchTool = true;
    SketchType = SketchGeometryType.Line;
    SketchOutputMode = SketchOutputMode.Map;
    ContextMenuID = "MyMenu";
    ContextToolbarID = "MyMiniToolbar";
  }
}

public class SketchToolWithSketchTip : MapTool
{
  public SketchToolWithSketchTip()
  {
    IsSketchTool = true;
    SketchType = SketchGeometryType.Line;
    SketchOutputMode = SketchOutputMode.Map;
    SketchTip = "hello World";
  }
}

// 1. Add an embeddable control using VS template.  This is the daml entry

//<categories>
//  <updateCategory refID = "esri_embeddableControls">
//    <insertComponent id="SketchTip_EmbeddableControl1" className="EmbeddableControl1ViewModel">
//      <content className = "EmbeddableControl1View"/>
//    </insertComponent>
//  </updateCategory>
// </categories>

// 2. Define UI controls on the EmbeddableControl1View
// 3. Define properties on the EmbeddableControl1ViewModel which
//    bind to the UI controls on the EmbeddableControl1View

public class SketchToolWithUISketchTip : MapTool
{
  public SketchToolWithUISketchTip()
  {
    IsSketchTool = true;
    SketchType = SketchGeometryType.Line;
    SketchOutputMode = SketchOutputMode.Map;
    SketchTipID = "SketchTip_EmbeddableControl1";
  }


  protected override Task<bool> OnSketchModifiedAsync()
  {
    var sketchTipVM = SketchTipEmbeddableControl as EmbeddableControl1ViewModel;
    if (sketchTipVM != null)
    {
      // modify properties on the sketchTipVM
      QueuedTask.Run(async () =>
      {
        var sketch = await GetCurrentSketchAsync();
        var line = sketch as Polyline;
        var count = line.PointCount;

        sketchTipVM.Text = "Vertex Count " + count.ToString();
      });


    }

    return base.OnSketchModifiedAsync();
  }

}

//enable snapping
ArcGIS.Desktop.Mapping.Snapping.IsEnabled = true;

// disable snapping
ArcGIS.Desktop.Mapping.Snapping.IsEnabled = false;