topic Re: ArcGIS Pro IObjectCopy or Similar in ArcGIS Pro SDK Questions

ArcGIS Pro IObjectCopy or Similar

AbelPerez — Mon, 20 Oct 2025 17:42:14 GMT

In the ArcGIS 10 SDK I copied an object by value using the IObjectCopy interface. I can't find a similar thing in the ArcGIS Desktop SDK. I guess its available in the Enterprise SDK but that's not what i am working with. So, what would be equivalent code in Pro if I had this in ArcGIS 10?

'deep clone the IFeatureSelection because it's possible that the Origin and Proximity sources are the same.
Dim objectCopyB As IObjectCopy = New ObjectCopy
Dim objB As Object = objectCopyB.Copy(pFeatSelOriginB)
Dim pFeatSelOrigCloneB As IFeatureSelection = CType(objB, IFeatureSelection)

Re: ArcGIS Pro IObjectCopy or Similar

GKmieliauskas — Mon, 20 Oct 2025 18:28:55 GMT

Hi,

You can use EditOperation Copy method. Below is code for map selection copy layer by layer:

Re: ArcGIS Pro IObjectCopy or Similar

AbelPerez — Mon, 20 Oct 2025 20:49:04 GMT

ok let me give that a try.

Re: ArcGIS Pro IObjectCopy or Similar

AbelPerez — Mon, 20 Oct 2025 22:51:58 GMT

I'm not sure this is the routine that will give me what i need. I need to clone a feature layer so that I can manipulate it before sending it to a GP. Essentially I want to use a temp layer that is not to be added to the map.

In ArcGIS 10 I did this and it worked great:

If pOriginalFeatLayer Is Nothing Then Throw New ArgumentNullException(NameOf(pOriginalFeatLayer))

'get the feature class (Or feature table) from original layer
Dim pFeatClass As IFeatureClass = pOriginalFeatLayer.FeatureClass

'create a New FeatureLayer using the same feature class/table (this creates a layer pointing to the same data)
Dim pCloneFeatLayer As IFeatureLayer = New FeatureLayer With {.FeatureClass = pFeatClass}

'copy basic properties
pCloneFeatLayer.Name = pOriginalFeatLayer.Name + "_Cloned" 'new name

It's just a layer in memory that is for temporay6 work and therefore not needed to be in the map.

Re: ArcGIS Pro IObjectCopy or Similar

GKmieliauskas — Tue, 21 Oct 2025 06:40:20 GMT

There is no possibility to have map layer not added to map. You can use Copy Features GP tool and as an output use memory workspace

//get the active map MapView activeView = MapView.Active; //get the first layer in the active map var layer = activeView.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>().First(); if(layer == null) return; var parameters = Geoprocessing.MakeValueArray(layer, @"memory\clonedFC"); IGPResult result = await Geoprocessing.ExecuteToolAsync("CopyFeatures_management", parameters, null, null, null, GPExecuteToolFlags.AddToHistory);

Re: ArcGIS Pro IObjectCopy or Similar

AbelPerez — Tue, 21 Oct 2025 13:26:39 GMT

What about creating a map in memory and adding the layer to that?

Re: ArcGIS Pro IObjectCopy or Similar

GKmieliauskas — Tue, 21 Oct 2025 15:02:02 GMT

Sorry, I can't help you to create a map in memory.

Re: ArcGIS Pro IObjectCopy or Similar

AbelPerez — Tue, 21 Oct 2025 16:51:46 GMT

Ok here is what i have an it seems to work without exceptions. I haven't tried sending this to my GP so that's the second part of the challenge.

// do the basic clone of the layer Map map = null; FeatureLayer cloneFeatLayer = null; await QueuedTask.Run(() => { // we create the layer and do not display in the active map but instead we will // create a map in memory and add the layer to this temporary map. map = MapFactory.Instance.CreateMap("ForCloneLayer", MapType.Map); // get the URI of the original layer Uri uri = originalFeatLayer.GetPath(); Debug.Print($"uri=[{uri}]"); // create feature layer creation parameters. for this routine we will only need the basics. var flyrCreatnParam = new FeatureLayerCreationParams(uri) { Name = originalFeatLayer.Name + "_Cloned", IsVisible = false, DefinitionQuery = null, //MinimumScale = 1000000, //MaximumScale = 5000, //DefinitionQuery = new DefinitionQuery(whereClause: "Population > 100000", name: "More than 100k"), //RendererDefinition = new SimpleRendererDefinition() //{ // SymbolTemplate = SymbolFactory.Instance.ConstructPointSymbol(CIMColor.CreateRGBColor(255, 0, 0), 8, SimpleMarkerStyle.Hexagon).MakeSymbolReference() //} }; cloneFeatLayer = LayerFactory.Instance.CreateLayer<FeatureLayer>(flyrCreatnParam, map); });

Then calling it like so

// test the cloning FeatureLayer originCloneLayer = await lyrOrigin.GetBasicClone(); originCloneLayer = null; // just for testing GC.Collect(); GC.WaitForPendingFinalizers();