ArcObjects is a set of COM-based APIs from ESRI Inc. that are used in several of their products including ArcGIS Desktop, ArcGIS Engine and ArcGIS Server.

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Reading an Existing Join

Confused again. I was finally able to run ArcCatalog and create a join in my map document (I will do the deed programmatically eventually) but I was interested in how a join looked once it was ...
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2k views

How to save a layer file with a relative path

In VBA, how do you save a layer file (.lyr) with a relative path? I have some code that loads a shapefile into ArcMap but I am unsure of how I go about using this shapefile to then save a layer file ...
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891 views

Geometric Network - Listening to network feature connection changes in the IObjectClassEvents::OnChange event

I need to be able to tell when a particular type of feature, that participates in a geometric network, is having its geometry automatically modified due to the geometric network. What i mean is that ...
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470 views

New Snapping while editing vertex's in ArcEngine 10

Is it possible to use the new (not classic) snapping functionality when editing the vertices of a polygon feature in ArcEngine 10. I would like editing vertices to behave exactly the same as editing ...
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726 views

Why is SymbologyControl missing symbols in XP?

I'm using the the code form SymbolForm.vb in this sample: Change layer rendering using the SymbologyControl It's working great on my developer machine with Windows 7, 64bit. But when I deploy the ...
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finding nearest point to a point

I work in GIS with VBA. I have 2 Points layer.One of them is City points and another is hydro station points.I want write code in vba for selecting one point from station layer and finding closest ...
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402 views

How do you determine which dbclient connection property to use for an Oracle SQLWorkspace connection?

I have an Oracle11g database that I connect to via a SQL Workspace; however the actual dbclient string value that works differs depending on machine (and I'm guessing oracle client configuration). On ...
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2answers
706 views

How to create new legend using ArcObjects?

I am trying to add simple legend to the map. I wrote some simple test code below to see what happens but it did not work. var map = activeView.FocusMap; IGraphicsContainer ...
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322 views

Converting Between Similar Classes in ArcObjects and WPF Runtime Libraries (C#)?

There seems to be an "impedance mismatch" (if I can borrow the term) between similar classes in ArcObjects and the WPF runtime libraries. For example, there is a ESRI.ArcGIS.Client.Geometry.Polyline ...
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207 views

How can I increase performance on inserting features with polygon geometry?

I have a problem when inserting features with polygon feature class in FGDB. This is my code: ... initialising some fields (does not affect performance) m_featureBuffer.Shape = ...
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223 views

Is it possible to add a command to the ArcMap Find dialog context menu?

I think I already know the answer to this... which is "no", but I wrote this up so I'll ask anyways. Is it possible using ArcObjects to extend/customize the ArcMap Find tool/dialog by adding a ...
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3k views

How can I update an MXD file programatically?

I'm using ArcGIS 9.3.1. product line and MXD files. At our customer we have multiple environment (DEV, QAS, PROD) which should be more or less identical except they use different datbases and a few ...
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Remove Shapefile lock

I have an ArcObject Dissolve procedure that creates a shp in a directory. This dissolved layer is a temp layer and is not added into ArcMap. I would like to delete it when the user clicks a button ...
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498 views

Showing Progress Dialog in ArcGIS Desktop using ArcObjects?

I have an ArcGIS custom IGPFunction tool. I want to use the GP progress dialog not the progress bar at the bottom of the ArcGIS 10 window as I don't want people to interact with the map whilst it's ...
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1answer
381 views

ArcObjects 10 Java SDK

I am being tasked with converting a AGS georpocessing toolkit currently written in AO 10 C# SDK to AO 10 Java SDK. Are there any resources out there which show an end to end example of creating an ...
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1k views

ArcGIS10 Debugging

First ever post to this forum, I have a C# extension (legacy from another developer) which I am trying to debug in the ArcGIS 10 Environ (64bit machine/Windows7). I have built the ext in "Debug" ...
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1answer
417 views

Intersect between Surface and Ray

I am interested in finding the intersection of a Ray and a Surface in ArcObjects. I already know of two solutions. First solution is to use the Locate method of ISurface: Dim intersectionPoint As ...
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376 views

Generate Mobile Map Cache from ArcObjects

As of ArcGIS 10, is there a way to generate a mobile map cache using ArcObjects? This can be done in a stand-alone Python script: ...
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2answers
2k views

How to filter Legend to show only visible features?

Is it possible to get the legend in a pagelayout to only show patches/swatches for features fall within the visible extent of the Map? The solution needs to work on FeatureLayers and ArcGIS Server ...
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1answer
599 views

Slow performance when selecting features

I am trying to use the following code to select the features that have the attribute values that I pass in. The performance is really slow when it comes to a lot of values e.g >16k values to match ...
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2answers
682 views

Perpendicular lines at start and end of line in ArcGIS Desktop?

I have some lines. I want to draw perpendicular lines at the start and end of the lines, on both sides of the lines. Can somebody help me in Python? Also, what are the variable settings of the ...
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1answer
203 views

how to capture the clicked point before moving a vertex

I need the location of clicked point before moving a vertex. IVertexMoved event will provide me the coordinates of the point after vertex is moved but I need before moving. Please help. Regards, ...
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2k views

Why do I get a “. not nullable field error” when attempting to split a feature?

I'm trying to split feature, by point, into 2 new features. var pFeatureEdit = lineToSplit.Feature as IFeatureEdit; var set = pFeatureEdit.Split(point); When this feature has configured ...
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1answer
339 views

How should I publish an arcgis toolbox via arcobjects (c#)?

I've been able to create map and image services by creating, adding, and starting configurations through an IServerObjectAdmin interface to a version 10.0 (sp4) ArcGIS server. Now, I'm shifting my ...
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363 views

Geodesic buffers for polygons in ArcObjects?

How can I create geodesic buffers around polygons? I'm on 9.3.1 ArcMap, but I need a programatic solution. IBUfferConstruction only does geodesic buffers for points. What are my options?
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1answer
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Reset Object ID After Truncating Table In SQL Server

I am working on a program to export data from a view containing a geometry type in Sql Server 2008, to an ArcSDE table on another server which also stores data using the geometry type. The source ...
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228 views

ArcObjects edit/update ODBC Oracle table

Can an ODBC Oracle table attached by OLE within ArcMap be edited/updated by using ArcObjects? If so, what are the procedural steps for doing this? Are there code examples out there showing how to do ...
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1k views

ArcGIS 10 Add-ins - How to adjust the size of an add-in toolbar?

I've built an add-in toolbar with two buttons. Works great, but I'd like to make the toolbar a little wider so that the user can see it's full caption. Is there a property I can adjust in the ...
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Changing the attribute behind a legend without changing the symbology

I have a geology layer with a very large legend that was painstakingly created based on a geological code. I now have a new attribute which is a friendly description for each code and I would like ...
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948 views

How to toggle layer visibility in ArcObjects?

ILayer.Visible seems to have no effect - How can I manually manage layer visibility and actually get the map control to update? ILayer lyr = mapControl.get_Layer(i); //this works for custom layers ...
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109 views

Setting Field in ArcMap Symbology Properties using ArcObjects?

I am programmatically rendering a feature layer in ArcMap but I can't set the Field property in the Symbology properties form. This results in the layer having the correct render/breaks/legend ...
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320 views

What is the function of the ESRI.ArcGIS.AddIns.targets file?

I am currently upgrading from 10.2 to 10.3 and as expected there are always some issues with recompiling addins and upgrading the the visual studio version. There is now a known issue for which ...
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addins vs python tools, which makes more sense? [closed]

With the upcoming release of ArcGIS Pro and the eventual retirement of Desktop and ArcObjects does it make more sense to start new customizations in python or continue to use ArcObjects/addins for the ...
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257 views

Is it possible to add to the map a layer containing results from a sql query

I'm developping an ArcMap Extension and I need to join an existing feature class with data from a sql query located on another DBMS. I already set up a Workspace with an OleDbWorkspaceFactory. I'm ...
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123 views

Is IGraphicTracker leaking memory?

It seems that when geometries are removed from an IGraphicTracker instance, the geometries remain in memory until IAoInitialize.Shutdown() is called. I have tried removing the geometries by calling ...
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347 views

Plugin Workspace: when to close an OleDbDataReader?

I'm developing a plugin workspace for ArcGIS. Internally, the plugin uses an OleDBconnection. All of the sample code I see seems to stress the importance of closing and disposing the connection. ...
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146 views

How can I control what is passed to the OnCreate() method when a command or tool is initialized? [closed]

In an ArcEngine application can I control what is passed to the OnCreate() method when a command or tool is initialized? (I am using a synchronization object because I have both a map and a ...
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804 views

How to find layer ID and name from Identify query using ArcGIS Web ADF?

I need to retrieve the layer ID of every layer returned by the IQueryFunctionality.Identify function (I am using ADF with .NET) Identify function spits out a DataTable array for layers which have ...
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1k views

Exploring ArcObjects through C# or VB from Python background

While I understand that this may be off topic to an extent, I am in a bit of a bind and could use some help directing my thought process and research. I have little programming background aside ...
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721 views

Guidelines for using ArcObjects from Python

By far, How do I access ArcObjects from Python? is my most read and referenced Q&A on GIS Stack Exchange. In spite of that success, it's probably one of my weakest areas when it comes to actual ...
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423 views

Where to buy training licenses for learning ArcObjects?

A client of mine wants me to do some work with C# and ArcObjects. However, I have no real experience with C# (or much ArcObjects except with Java to be honest). Rather than outsource the work, I ...
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209 views

IEditSketch and IEditSketch2

What is the difference between IEditSketch and IEditSketch2? Also why there are same interfaces with the same name only with a difference "2" at the end of the interface's name ?
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What is the best approach to using IQueryFilter.WhereClause in ArcObjects?

What is your preferred / best approach to using IQueryFilter.WhereClause statements in ArcObjects (e.g. when selecting features by attributes)? You need to check the source type (shapefile / personal ...
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98 views

Given a collection of IPoints is there a quick way to get the extent that contains them?

I have a bunch of IPoints. I need an extent which contains all of them. Is there a quick way to do it? I had the idea of converting them to screen coordinates and then figuring it out manually but ...
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2answers
2k views

Merging two polylines with programming?

We are currently working on a project where we have to merge sections (polylines) to a route, but the big question is how to do this. We have currently tried adding those two as segmentcollections but ...
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5answers
2k views

How to compile an ArcGIS Desktop add-in in Visual Studio 2013

I have several projects made in Visual Studio 2010, those projects are ArcGIS Desktop Add-in's. I have been change of computer, and my new one only have Visual Studio 2013 due to some company politics ...
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675 views

Maximum length of WHERE clause with IN statement

I need to get all features from feature class where their field value matches to input array. To achive this one may set IQueryFilter.WhereClause property similar to 'FIELD_NAME IN (array[0], ...
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Split a Polyline into small segments

I am writing an addin, which needs to split a polyline into a number of segments taking the number of segments as an input from user. How can I accomplish this?
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Is it possible to deploy on a ArcGIS 9.3.1 machine a component created with ArcGIS 10?

We are developping a C# ArcObjects Class extension assembly. Our development machine was recently updgraded to ArcGIS 10, but when we try to install the assembly on a 9.3.1 machine, we get an R0000 ...
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Determine overlapping points using a spatial filter in ArcObject

I have a point layer with thousands of points. Using a spatial filter, I have to find out those points which are intersecting each other. Then the objectid's of the intersecting points should be ...