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

var createFeatures = new EditOperation();
createFeatures.Name = "Create Features";
//Create a feature with a polygon
createFeatures.Create(featureLayer, polygon);

//with a callback
createFeatures.Create(featureLayer, polygon, (object_id) =>
{
  //TODO - use the oid of the created feature
  //in your callback
});

//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
createFeatures.Execute();

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

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

//Create edit operation and execute
var op = new ArcGIS.Desktop.Editing.EditOperation();
op.Name = "Create my feature";
op.Create(myTemplate, myGeometry);
op.Execute();

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 ArcGIS.Desktop.Editing.EditOperation();
  createOp.Name = "Create from insp";
  createOp.Create(insp.MapMember, insp.ToDictionary(a => a.FieldName, a => a.CurrentValue));
  createOp.Execute();
});

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

var clipFeatures = new EditOperation();
clipFeatures.Name = "Clip Features";
clipFeatures.Clip(featureLayer, oid, clipPoly, ClipMode.PreserveArea);
//Execute to execute the operation
//Must be called within QueuedTask.Run
clipFeatures.Execute();

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

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

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

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

//Execute to execute the operation
//Must be called within QueuedTask.Run
cutFeatures.Execute();

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

var deleteFeatures = new EditOperation();
deleteFeatures.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)
var selection = MapView.Active.SelectFeatures(polygon).Select(
      k => new KeyValuePair<MapMember, List<long>>(k.Key as MapMember, k.Value));

deleteFeatures.Delete(selection);

//Execute to execute the operation
//Must be called within QueuedTask.Run
deleteFeatures.Execute();

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

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

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

//Execute to execute the operation
//Must be called within QueuedTask.Run
duplicateFeatures.Execute();

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

var explodeFeatures = new EditOperation();
explodeFeatures.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
explodeFeatures.Execute();

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

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

//Merge three features into a new feature using defaults
//defined in the current template
mergeFeatures.Merge(this.CurrentTemplate as EditingFeatureTemplate, 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
mergeFeatures.Execute();

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

var modifyFeature = new EditOperation();
modifyFeature.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
modifyFeature.Execute();

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

//Search by attribute
var queryFilter = new QueryFilter();
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();
modifyFeatures.Name = "Modify features";
modifyFeatures.ShowProgressor = true;

var muultipleFeaturesInsp = new Inspector();
muultipleFeaturesInsp.Load(featureLayer, oidSet);
muultipleFeaturesInsp["MOMC"] = 24;
modifyFeatures.Modify(muultipleFeaturesInsp);
modifyFeatures.ExecuteAsync();

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();
  filter.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 ArcGIS.Desktop.Editing.EditOperation();
  modifyOp.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);
  modifyOp.Execute();
});

//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();
moveFeature.Name = "Move features";
moveFeature.Move(selectionDictionary, 10, 10);  //specify your units along axis to move the geometry

moveFeature.Execute();

//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 MapPointBuilder(1.0, 2.0, 3.0, 4.0, MapView.Active.Map.SpatialReference); //can pass in coordinates.

var modifyFeatureCoord = new EditOperation();
modifyFeatureCoord.Name = "Move features";
modifyFeatureCoord.Modify(abLayer, selOid, moveToPoint.ToGeometry());  //Modify the feature to the new geometry 
modifyFeatureCoord.Execute();

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

var planarizeFeatures = new EditOperation();
planarizeFeatures.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
planarizeFeatures.Execute();

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

//Create parrallel features from the selected features

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

//instatiate 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 parrallelOp = new EditOperation();
parrallelOp.Create(parOffsetBuilder);
parrallelOp.Execute();

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

reshapeFeatures.Reshape(featureLayer, oid, modifyLine);

//Reshape a set of features that intersect some geometry....
var selFeatures = MapView.Active.GetFeatures(modifyLine).Select(
    k => new KeyValuePair<MapMember, List<long>>(k.Key as MapMember, k.Value));

reshapeFeatures.Reshape(selFeatures, modifyLine);

//Execute to execute the operation
//Must be called within QueuedTask.Run
reshapeFeatures.Execute();

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

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

//Rotate works on a selected set of features
//Get all features that intersect a polygon
var rotateSelection = MapView.Active.GetFeatures(polygon).Select(
    k => new KeyValuePair<MapMember, List<long>>(k.Key as MapMember, k.Value));

//Rotate selected features 90 deg about "origin"
rotateFeatures.Rotate(rotateSelection, origin, Math.PI / 2);

//Execute to execute the operation
//Must be called within QueuedTask.Run
rotateFeatures.Execute();

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

var scaleFeatures = new EditOperation();
scaleFeatures.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));

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

//Execute to execute the operation
//Must be called within QueuedTask.Run
scaleFeatures.Execute();

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

var splitFeatures = new EditOperation();
splitFeatures.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
splitFeatures.Execute();

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

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

//Transform a selected set of features
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);

//Execute to execute the operation
//Must be called within QueuedTask.Run
transformFeatures.Execute();

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

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

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

//Note: An edit operation is a single transaction. 
//Execute the operations (in the order they were declared)
clipCutPlanarizeFeatures.Execute();

//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 attachement. 
//Adding an attachment requires the object id (of a new feature) has already been created. 
var editOperation1 = new EditOperation();
editOperation1.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
editOperation1.Create(this.CurrentTemplate, polygon, (object_id) => newFeatureID = object_id);
//Must be within a QueuedTask
editOperation1.Execute();

//or use async flavor
//await editOperation1.ExecuteAsync();

//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 attachement using the new feature id
editOperation2.AddAttachment(this.CurrentTemplate.Layer, newFeatureID, @"C:\data\images\Hydrant.jpg");

//editOperation1 and editOperation2 show up as a single Undo operation on the UI even though
//we had two transactions
//Must be within a QueuedTask
editOperation2.Execute();

//or use async flavor
//await editOperation2.ExecuteAsync();

//ArcGIS Pro 2.5 extends the EditOperation.AddAttachment method to take a RowToken as a paramter.
//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.CreateEx(this.CurrentTemplate, polygon);
editOpAttach.AddAttachment(attachRowToken, @"c:\temp\image.jpg");

//Must be within a QueuedTask
editOpAttach.Execute();

// SetOnUndone, SetOnRedone and SetOnComittedManage 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.Keys.First(), selectedFeatures.Values.First());
testInspector["Name"] = "test";

//create and execute the edit operation
var updateTestField = new EditOperation();
updateTestField.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");
});

updateTestField.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);
}

public static 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 static void OnRowDeletedEvent(RowChangedEventArgs obj)
{
  if (_lastEdit != obj.Guid)
  {
    //cancel with dialog
    // Note - feature edits on Hosted and Standard Feature Services cannot be cancelled.
    obj.CancelEdit("Delete Event\nAre you sure", true);
    _lastEdit = obj.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(OnRowChangedEvent, featureLayer.GetTable());
  });
}
private static void OnRowChangedEvent(RowChangedEventArgs obj)
{
  //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 = obj.Row.GetOriginalValue(shapeIndex) as Geometry;
  //New geometry of the modified row
  var geomNew = obj.Row[shapeIndex] as Geometry;
  //Compare the two
  bool shapeChanged = geomOrig.IsEqual(geomNew);
}

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

private void MyRowCreatedEvent(RowChangedEventArgs obj)
{
  // get the edit operation
  var parentEditOp = obj.Operation;

  // set up some attributes
  var attribues = new Dictionary<string, object> { };
  attribues.Add("Layer", "Parcels");
  attribues.Add("Description", "OID: " + obj.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, attribues);
}

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

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

    _lastEdit = obj.Guid;
  }
}

// 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.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);

// 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.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"];

// 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.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 - but with no undo/redo
await inspector.ApplyAsync();

QueuedTask.Run(() =>
{
  //get selected feature into inspector
  var selectedFeatures = MapView.Active.Map.GetSelection();
  var insp = new Inspector();
  insp.Load(selectedFeatures.Keys.First(), selectedFeatures.Values.First());

  //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
  var op = new EditOperation();
  op.Name = "Blob Inspector";
  insp["Blobfield"] = msr;
  op.Modify(insp);
  op.Execute();

  //read a blob field and save to a file
  //assume inspector has been loaded with a feature
  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);
  }
});

QueuedTask.Run(() =>
{
  var editOp = new EditOperation();
  editOp.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())
      {
        //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);
        }

        using (var record = rc.Current)
        {
          record["BlobField"] = msr;
          record.Store();

          //read the blob field 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);
          }
        }
      }
    }
  }, featLayer.GetTable());
  editOp.Execute();
});

//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;
  } 

  //  ...
}

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


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

// set only Point and Edge snapping modes, clear everything else
ArcGIS.Desktop.Mapping.Snapping.SetSnapModes(SnapMode.Point, SnapMode.Edge); 


// clear all snap modes
ArcGIS.Desktop.Mapping.Snapping.SetSnapModes();


// set snap modes one at a time
ArcGIS.Desktop.Mapping.Snapping.SetSnapMode(SnapMode.Edge, true);
ArcGIS.Desktop.Mapping.Snapping.SetSnapMode(SnapMode.End, true);
ArcGIS.Desktop.Mapping.Snapping.SetSnapMode(SnapMode.Intersection, true);


// get current snap modes
var snapModes = ArcGIS.Desktop.Mapping.Snapping.SnapModes;


// get state of a specific snap mode
bool isOn = ArcGIS.Desktop.Mapping.Snapping.GetSnapMode(SnapMode.Vertex);

// is the layer snappable?
bool isSnappable = fLayer.IsSnappable;

// set snappability for a specific layer - needs to run on the MCT
await QueuedTask.Run(() => 
{
  // use an extension method
  fLayer.SetSnappable(true);

  // or use the CIM directly
  //var layerDef = fLayer.GetDefinition() as ArcGIS.Core.CIM.CIMGeoFeatureLayerBase;
  //layerDef.Snappable = true;
  //fLayer.SetDefinition(layerDef);
});


// turn all layers snappability off
layerList = MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>();
await QueuedTask.Run(() =>
{
  foreach (var layer in layerList)
  {
    layer.SetSnappable(false);
  }
});

layerList = MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>();

// configure by layer
foreach (var layer in layerList)
{
  // find the state of the snapModes for the layer
  var lsm = ArcGIS.Desktop.Mapping.Snapping.GetLayerSnapModes(layer);
  bool vertexOn = lsm.Vertex;
  // or use 
  vertexOn = lsm.GetSnapMode(SnapMode.Vertex);

  bool edgeOn = lsm.Edge;
  // or use 
  edgeOn = lsm.GetSnapMode(SnapMode.Edge);

  bool endOn = lsm.End;
  // or use 
  endOn = lsm.GetSnapMode(SnapMode.End);

  // update a few snapModes 
  //   turn Vertex off
  lsm.SetSnapMode(SnapMode.Vertex, false);
  // intersections on
  lsm.SetSnapMode(SnapMode.Intersection, true);

  // and set back to the layer
  ArcGIS.Desktop.Mapping.Snapping.SetLayerSnapModes(layer, lsm);


  // assign a single snap mode at once
  ArcGIS.Desktop.Mapping.Snapping.SetLayerSnapModes(layer, SnapMode.Vertex, false);


  // turn ALL snapModes on
  ArcGIS.Desktop.Mapping.Snapping.SetLayerSnapModes(layer, true);
  // turn ALL snapModes off
  ArcGIS.Desktop.Mapping.Snapping.SetLayerSnapModes(layer, false);
}


// configure for a set of layers

// set Vertex, edge, end on for a set of layers, other snapModes false
var vee = new LayerSnapModes(false);
vee.Vertex = true;
vee.Edge = true;
vee.End = true;
ArcGIS.Desktop.Mapping.Snapping.SetLayerSnapModes(layerList, vee);


// ensure intersection is on for a set of layers without changing any other snapModes

// get the layer snapModes for the set of layers
var dictLSM = ArcGIS.Desktop.Mapping.Snapping.GetLayerSnapModes(layerList);
foreach (var layer in dictLSM.Keys)
{
  var lsm = dictLSM[layer];
  lsm.Intersection = true;
}
ArcGIS.Desktop.Mapping.Snapping.SetLayerSnapModes(dictLSM);


// set all snapModes off for a list of layers
ArcGIS.Desktop.Mapping.Snapping.SetLayerSnapModes(layerList, false);

// interested in only snapping to the vertices of a specific layer of interest and not the vertices of other layers
//  all other snapModes should be off.

// snapping must be on
ArcGIS.Desktop.Mapping.Snapping.IsEnabled = true;

// turn all application snapModes off
ArcGIS.Desktop.Mapping.Snapping.SetSnapModes();

// set application snapMode vertex on 
ArcGIS.Desktop.Mapping.Snapping.SetSnapMode(SnapMode.Vertex, true);

// ensure layer snapping is on
await QueuedTask.Run(() =>
{
  fLayer.SetSnappable(true);
});

// set vertex snapping only
var vertexOnly = new LayerSnapModes(false);
vertexOnly.Vertex = true;

// set vertex only for the specific layer, clearing all others
var dict = new Dictionary<Layer, LayerSnapModes>();
dict.Add(fLayer, vertexOnly);
ArcGIS.Desktop.Mapping.Snapping.SetLayerSnapModes(dict, true);  // true = reset other layers

//Set snapping options via get/set options
var snapOptions = ArcGIS.Desktop.Mapping.Snapping.GetOptions(myMap);
snapOptions.SnapToSketchEnabled = true;
snapOptions.XYTolerance = 100;
snapOptions.ZToleranceEnabled = true;
snapOptions.ZTolerance = 0.6;
ArcGIS.Desktop.Mapping.Snapping.SetOptions(myMap, snapOptions);

//undo
if (MapView.Active.Map.OperationManager.CanUndo)
  MapView.Active.Map.OperationManager.UndoAsync();//await as needed

//redo
if (MapView.Active.Map.OperationManager.CanRedo)
  MapView.Active.Map.OperationManager.RedoAsync();//await as needed

ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
  //get the templates
  var map = ArcGIS.Desktop.Mapping.MapView.Active.Map;
  if (map == null)
    return;

  var mainTemplate = map.FindLayers("main").FirstOrDefault()?.GetTemplate("Distribution");
  var mhTemplate = map.FindLayers("Manhole").FirstOrDefault()?.GetTemplate("Active");
});

public Task ChangeTemplateDefaultToolAsync(ArcGIS.Desktop.Mapping.FeatureLayer flayer,
                  string toolContentGUID, string templateName)
{
  return ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
  {

    // retrieve the edit template form the layer by name
    var template = flayer?.GetTemplate(templateName) as ArcGIS.Desktop.Editing.Templates.EditingTemplate;
    // get the definition of the layer
    var layerDef = flayer?.GetDefinition() as ArcGIS.Core.CIM.CIMFeatureLayer;
    if ((template == null) || (layerDef == null))
      return;

    if (template.DefaultToolID != this.ID)
    {
      bool updateLayerDef = false;
      if (layerDef.AutoGenerateFeatureTemplates)
      {
        layerDef.AutoGenerateFeatureTemplates = false;
        updateLayerDef = true;
      }

      // retrieve the CIM edit template definition
      var templateDef = template.GetDefinition();

      // assign the GUID from the tool DAML definition, for example
      // <tool id="TestConstructionTool_SampleSDKTool" categoryRefID="esri_editing_construction_polyline" ….>
      //   <tooltip heading="">Tooltip text<disabledText /></tooltip>
      //   <content guid="e58239b3-9c69-49e5-ad4d-bb2ba29ff3ea" />
      // </tool>
      // then the toolContentGUID would be "e58239b3-9c69-49e5-ad4d-bb2ba29ff3ea"
      templateDef.ToolProgID = toolContentGUID;

      // set the definition back to 
      template.SetDefinition(templateDef);

      // update the layer definition too
      if (updateLayerDef)
        flayer.SetDefinition(layerDef);
    }
  });
}

QueuedTask.Run(() =>
{
  //hide all tools except line tool on layer
  var featLayer = MapView.Active.Map.FindLayers("Roads").First();

  var editTemplates = featLayer.GetTemplates();
  var newCIMEditingTemplates = new List<CIMEditingTemplate>();

  foreach (var et in editTemplates)
  {
    //initialize template by activating default tool
    et.ActivateDefaultToolAsync();
    var cimEditTemplate = et.GetDefinition();
    //get the visible tools on this template
    var allTools = et.ToolIDs.ToList();
    //add the hidden tools on this template
    allTools.AddRange(cimEditTemplate.GetExcludedToolDamlIds().ToList());
    //hide all the tools then allow the line tool
    cimEditTemplate.SetExcludedToolDamlIds(allTools.ToArray());
    cimEditTemplate.AllowToolDamlID("esri_editing_SketchLineTool");
    newCIMEditingTemplates.Add(cimEditTemplate);
  }
  //update the layer templates
  var layerDef = featLayer.GetDefinition() as CIMFeatureLayer;
  // Set AutoGenerateFeatureTemplates to false for template changes to stick
  layerDef.AutoGenerateFeatureTemplates = false;
  layerDef.FeatureTemplates = newCIMEditingTemplates.ToArray();
  featLayer.SetDefinition(layerDef);
});

var layer = MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>().FirstOrDefault();
if (layer == null)
  return;
QueuedTask.Run(() =>
{
  var insp = new Inspector();
  insp.LoadSchema(layer);

  insp["Field1"] = value1;
  insp["Field2"] = value2;
  insp["Field3"] = value3;

  var tags = new[] { "Polygon", "tag1", "tag2" };

  // set defaultTool using a daml-id 
  string defaultTool = "esri_editing_SketchCirclePolygonTool";

  // tool filter is the tools to filter OUT
  var toolFilter = new[] { "esri_editing_SketchTracePolygonTool" };

  // create a new template  
  var newTemplate = layer.CreateTemplate("My new template", "description", insp, defaultTool, tags, toolFilter);
});

// get an anno layer
AnnotationLayer annoLayer = MapView.Active.Map.GetLayersAsFlattenedList().OfType<AnnotationLayer>().FirstOrDefault();
if (annoLayer == null)
  return;

QueuedTask.Run(() =>
{
  Inspector insp = null;
  // get the anno feature class
  var fc = annoLayer.GetFeatureClass() as ArcGIS.Core.Data.Mapping.AnnotationFeatureClass;

  // get the featureclass CIM definition which contains the labels, symbols
  var cimDefinition = fc.GetDefinition() as ArcGIS.Core.Data.Mapping.AnnotationFeatureClassDefinition;
  var labels = cimDefinition.GetLabelClassCollection();
  var symbols = cimDefinition.GetSymbolCollection();

  // make sure there are labels, symbols
  if ((labels.Count == 0) || (symbols.Count == 0))
    return;

  // find the label class required
  //   typically you would use a subtype name or some other characteristic
  // in this case lets just use the first one

  var label = labels[0];

  // each label has a textSymbol
  // the symbolName *should* be the symbolID to be used
  var symbolName = label.TextSymbol.SymbolName;
  int symbolID = -1;
  if (!int.TryParse(symbolName, out symbolID))
  {
    // int.TryParse fails - attempt to find the symbolName in the symbol collection
    foreach (var symbol in symbols)
    {
      if (symbol.Name == symbolName)
      {
        symbolID = symbol.ID;
        break;
      }
    }
  }
  // no symbol?
  if (symbolID == -1)
    return;

  // load the schema
  insp = new Inspector();
  insp.LoadSchema(annoLayer);

  // ok to assign these fields using the inspector[fieldName] methodology
  //   these fields are guaranteed to exist in the annotation schema
  insp["AnnotationClassID"] = label.ID;
  insp["SymbolID"] = symbolID;

  // set up some additional annotation properties
  AnnotationProperties annoProperties = insp.GetAnnotationProperties();
  annoProperties.FontSize = 36;
  annoProperties.TextString = "My Annotation feature";
  annoProperties.VerticalAlignment = VerticalAlignment.Top;
  annoProperties.HorizontalAlignment = HorizontalAlignment.Justify;

  insp.SetAnnotationProperties(annoProperties);

  var tags = new[] { "Annotation", "tag1", "tag2" };

  // use daml-id rather than guid
  string defaultTool = "esri_editing_SketchStraightAnnoTool";

  // tool filter is the tools to filter OUT
  var toolFilter = new[] { "esri_editing_SketchCurvedAnnoTool" };

  // create a new template 
  var newTemplate = annoLayer.CreateTemplate("new anno template", "description", insp, defaultTool, tags, toolFilter);
});

//In your config.daml...set the categoryRefID
//<tool id="..." categoryRefID="esri_editing_construction_annotation" caption="Create Anno" ...>

//Sketch type Point or Line or BezierLine in the constructor...
//internal class AnnoConstructionTool : MapTool  {
//  public AnnoConstructionTool()  {
//    IsSketchTool = true;
//    UseSnapping = true;
//    SketchType = SketchGeometryType.Point;
//

protected async override Task<bool> OnSketchCompleteAsync(Geometry geometry)
{
  if (CurrentTemplate == null || geometry == null)
    return false;

  // Create an edit operation
  var createOperation = new EditOperation();
  createOperation.Name = string.Format("Create {0}", CurrentTemplate.Layer.Name);
  createOperation.SelectNewFeatures = true;

  var insp = CurrentTemplate.Inspector;
  var result = await QueuedTask.Run(() =>
  {
    // get the annotation properties class
    AnnotationProperties annoProperties = insp.GetAnnotationProperties();
    // set custom annotation properties
    annoProperties.TextString = "my custom text";
    annoProperties.Color = ColorFactory.Instance.RedRGB;
    annoProperties.FontSize = 24;
    annoProperties.FontName = "Arial";
    annoProperties.HorizontalAlignment = ArcGIS.Core.CIM.HorizontalAlignment.Right;
    annoProperties.Shape = geometry;
    // assign annotation properties back to the inspector
    insp.SetAnnotationProperties(annoProperties);

    // Queue feature creation
    createOperation.Create(CurrentTemplate.Layer, insp);

    // Execute the operation
    return createOperation.Execute();
  });
  return result;
}

var plugin = FrameworkApplication.GetPlugInWrapper("esri_editing_EditVerticesText");
if (plugin.Enabled)
  ((ICommand)plugin).Execute(null);

await QueuedTask.Run(() =>
{
  //annoLayer is ~your~ Annotation layer...

  // use the inspector methodology
  var insp = new Inspector(true);
  insp.Load(annoLayer, oid);

  // get the annotation properties
  AnnotationProperties annoProperties = insp.GetAnnotationProperties();
  // set the attribute
  annoProperties.TextString = "Hello World";
  // assign the annotation proeprties back to the inspector
  insp.SetAnnotationProperties(annoProperties);

  //create and execute the edit operation
  EditOperation op = new EditOperation();
  op.Name = "Update annotation";
  op.Modify(insp);
  op.Execute();
});

await QueuedTask.Run(() =>
{
  //Don't use 'Shape'....Shape is the bounding box of the annotation text. This is NOT what you want...
  //
  //var insp = new Inspector();
  //insp.Load(annoLayer, oid);
  //var shape = insp["SHAPE"] as Polygon;
  //...wrong shape...

  //Instead, we must use the AnnotationProperties

  //annoLayer is ~your~ Annotation layer
  var insp = new Inspector(true);
  insp.Load(annoLayer, oid);

  AnnotationProperties annoProperties = insp.GetAnnotationProperties();
  var shape = annoProperties.Shape;
  if (shape.GeometryType != GeometryType.GeometryBag)
  {
    var newGeometry = GeometryEngine.Instance.Move(shape, 10, 10);
    annoProperties.Shape = newGeometry;
    insp.SetAnnotationProperties(annoProperties);

    EditOperation op = new EditOperation();
    op.Name = "Change annotation angle";
    op.Modify(insp);
    op.Execute();
  }
});

await QueuedTask.Run(() =>
{

  var selection = annoLayer.GetSelection();
  if (selection.GetCount() == 0)
    return;

  // use the first selelcted feature 
  var insp = new Inspector(true);
  insp.Load(annoLayer, selection.GetObjectIDs().FirstOrDefault());

  // getAnnoProperties should return null if not an annotation feature
  AnnotationProperties annoProperties = insp.GetAnnotationProperties();
  // get the textGraphic
  CIMTextGraphic textGraphic = annoProperties.TextGraphic;

  // change text
  textGraphic.Text = "Hello world";

  // set x,y offset via the symbol
  var symbol = textGraphic.Symbol.Symbol;
  var textSymbol = symbol as CIMTextSymbol;
  textSymbol.OffsetX = 2;
  textSymbol.OffsetY = 3;

  textSymbol.HorizontalAlignment = HorizontalAlignment.Center;

  // load the updated textGraphic
  annoProperties.LoadFromTextGraphic(textGraphic);
  // assign the annotation properties back 
  insp.SetAnnotationProperties(annoProperties);

  EditOperation op = new EditOperation();
  op.Name = "modify symbol";
  op.Modify(insp);
  bool result = op.Execute();
});