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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5
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2answers
810 views

Why unable to edit ArcSDE from multiple computers on LAN using custom ArcGIS Engine application?

I cannot edit an ArcSDE database from multiple computers on a LAN network using a custom ArcGIS Engine application, I have tried both versioned and non-versioned feature classes, but they cannot be ...
4
votes
3answers
800 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], array[1],...
4
votes
1answer
1k views

In ArcObjects, how do I change the spatial reference of a Map (Data Frame) in an existing MXD?

I need to change the spatial reference of an existing MXD programmatically. In ArcMap UI, I would take the following steps: 1) Open the data frame properties and go to the Coordinate System tab; 2) ...
2
votes
1answer
569 views

Geoprocessor Execute HRESULT COM Error

Recently, I started having problems with my C# projects running ArcGIS10.1 geoprocessing tools. My tools point to custom scripts in project toolboxes. The code in question has run without issue in the ...
0
votes
0answers
91 views

Command doesn't show up on ICommandBar

I'm trying to put a custom command into the Help menu on startup if it isn't already there. This is my code to do so: private void OnCreate() { // other stuff in OnCreate()... // registering ...
1
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0answers
127 views

Icon missing when adding custom combobox command to Toolbar

I have a custom command: class ATL_NO_VTABLE CSliceSelector : public CComObjectRootEx<CComSingleThreadModel>, public CComCoClass<CSliceSelector, &CLSID_SliceSelector>, ...
0
votes
1answer
65 views

Handle string or int in server object extension

How would you also check to see if the value you are passing into into an SOE is an integer as well? This checks for string, but returns 0 when passing number: string searchValStr; int searchValInt;...
1
vote
0answers
127 views

GP-Tool: Detect if running in background or foreground ? (ArcObjects)

I got a geoprocessing tool which I want to prevent from running in background, due to some weird crashes that happens. Is it possible to programmatically detect if background processing is enabled ? (...
1
vote
1answer
181 views

Errors when creating a TextElement from ArcObjects

I am attempting to add some text in the layout view of ArcMap. I’m using the following line for the TextElement that I’ve found online from numerous places including ArcObjects Library Reference. ...
5
votes
2answers
4k views

ArcObjects - find nearest feature to a point - has to be FAST

I've seen lots of discussion on this, especially using IIndexQuery.NearestFeature() on a FeatureIndex instance. Something like this: private IdDistancePair FindNearest(IGeometry g, IFeatureClass fc, ...
1
vote
1answer
268 views

What is the correct approach to handle mouse events for a tool that is called by a button?

I have a dockable window with a 2 buttons that call 2 different tools (Draw Marker and Select Features), What i want to happen is when the user clicks on the relevant button on the dockable window and ...
1
vote
0answers
24 views

Implementing day night functionality [duplicate]

I want to implement day/night functionality on world map i.e there will be dark layer showing countires having night now. This world map could be creaeted through ESRI or SVG map.I want to ...
1
vote
0answers
64 views

Is it possible to add dynamic controls to a dockable window?

I am writing a small application that uses the dockable window. What will happen is that for each layer in the TOC a label and checkboxes will appear within the dockable window. However what do i need ...
3
votes
1answer
1k views

How do I draw transparent polygons with ArcObjects?

How do I draw transparent polygons in ArcObjects? I mean is it possible to set alpha channel?
4
votes
1answer
149 views

How can i uncheck leader lines show in piechart using ArcObject?

I'd like to uncheck the leader lines of my piecharts programmatically . I surf in the internet and found nothing about this.It's simple to uncheck the leader lines in ArcMap. Just go to properties of ...
3
votes
0answers
281 views

converting a distance to a map distance

I have a point and a polyline. I need to find the perpendicular distance between each segment of the polyline and the point. By each segemnt of the polyline I mean that, each polyline may contain more ...
1
vote
0answers
63 views

IfeatureClass.searc(Iqueryfilter pqueryfilter, bool recy) is throwing external component has thrown exception [closed]

I am running my code to trace features approx 20 lacs and my code is working fine for 2 or 3 lacs features and after sometime it thrown external component exception. Please provide any code ...
1
vote
2answers
216 views

Can SqlWorkspaceFactory connection files be created with ArcGIS Desktop?

With ArcObjects, I can use IWorkspaceFactory.Create I can create a connection file for a SqlWorkspaceFactory. Is there an out-of-the-box method to create the same file in ArcGIS Desktop? Update: I ...
1
vote
0answers
49 views

Issues using Arc 10.0 extension recompiled for 10.1

I have a written an ArcGIS extension in C# .Net for version 10.0. I have attempted to recompile this extension for 10.1 and that works. But running the extension in 10.1 is causing ArcGIS to crash. ...
1
vote
1answer
558 views

Why does Exporting Document to JPEG using ArcObjects in Layout View result in bad picture quality?

I want to export the Active View with ArcObjects to JPEG. All Layers in the Document are raster layers (GeoTiff). I use this code which works quite well when in Data View, but when I perform the same ...
1
vote
2answers
273 views

How to convert an IGeometryCollection into a Polyline

I am using the CostPathAsPolyline method which returns the Polyline as an IGeometryCollection. I now need to get this converted back into a polyline. But it seems to be more complex than just a cast....
0
votes
0answers
387 views

How to get the top left and lower right coordinates of polygon in ArcObjects?

First of all, draw the rectangle ESRI.ArcGIS.Display.IScreenDisplay screenDisplay = Map1.ActiveView.ScreenDisplay; screenDisplay.StartDrawing(screenDisplay.hDC, (System.Int16) ESRI.ArcGIS.Display....
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0answers
111 views

How to return shapes from geo service?

I have a geo service that seems to finally be working. I have the service setup with a list of Polylines as the returned object. This is what I'm trying to implement but it doesn't work: ...
1
vote
1answer
986 views

How to create windows form based tools as add-ins in arcgis 10.0 using vb2010

Here i am again with a query again. Let me explain the project layout first. I am writing a project in vb2010 in which i want to add a package having 4 toolbars with about 48 tools in them in ArcMap ...
2
votes
2answers
1k views

How to draw one rectangle in ArcObjects?

Is there button in ArcObjects "draw rectangle" such as in openlayers? Update Well, I use this code for drawing: ESRI.ArcGIS.Display.IScreenDisplay screenDisplay = Map1.ActiveView.ScreenDisplay; ...
1
vote
1answer
155 views

CreateRasterCatalog on the fly using ArcObject 10 .NET SDK

My debugger crashes without showing any error. It crashes not even catches exception on the line: rasterWorkspace.CreateRasterCatalog(catalogName, fields, "Shape", "Raster", "defaults"); Code ...
0
votes
1answer
206 views

How to access functions from another project in vb2010

I have written a project which has common functions in Visual Basic 2010 i.e. Visual Studio 2010. for e.g. Public Function FlashPolygon(pDisplay As IScreenDisplay, pGeometry As IGeometry) Dim ...
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0answers
296 views

ArcGIS Server Object Extension (SOE) RestOperation configuration

How would you accept a call to a RestOperation with string and reply back with a json array of the column names in the table holding this information? So, if string is 'owners' then get names of ...
0
votes
0answers
237 views

Add Layer into existing GroupLayer in map c#

I can't add Layer into existing GroupLayer in map. I'm trying this code below, but it does not work! I need code looks like this: public void AddLayer(AxMapControl mapControl, ILayer pLayer) { if(...
3
votes
1answer
578 views

Application Extension vs. Add-in Application Extension

Background: I am tasked with rewriting a 9.3 ArcMap solution based upon a VB6 implementation using an application extension and several forms. The interface to ArcMap is that this solution needs to ...
5
votes
2answers
844 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 ...
2
votes
2answers
2k views

How to copy selected features from one sde to another using ArcObjects?

Assuming I have two SDEs or other datasources with the same datamodel. One contains features the other one is empty. In ArcMap I have layers from both datasources in my table of contents. Now I would ...
1
vote
0answers
41 views

Bug in ArcGIS WebADF's IMapFunctionality.DrawExtent?

I'm maintaining an old ArcGIS WebADF-based application that has recently been upgraded to use the 10.1 libraries. I'm not too optimistic about finding a solution as I think I'm the only person in the ...
1
vote
1answer
97 views

How do I use a generic List with my Arc Objects code?

/// <summary> /// Gets a list of all geoms in a Feature Class /// </summary> /// <param name="FClass">The Feature Class</param> /// <returns>a List of Geometries</...
0
votes
0answers
112 views

How to enable and disable IcommandItem of ArcObjects?

I have Commandbutton1 and Commandbutton2 in commandbar. Commandbutton1 is disabled on some condition. I want to enable Commandbutton1 on click of Commandbutton12. How do I do this?
1
vote
2answers
484 views

Why does my ITopologicalOperator Intersect result have incorrect area?

I have used ITopologicalOperator for getting common Area of two polygons but the result is not correct. May anyone please tell me how to get the common area of two features. //Make Topological ...
2
votes
2answers
250 views

How to use IFeatureCursorBuffer in VBA

I tried to use IFeatureCursorBuffer to create and dissolve the buffered features.I am trying to get the solution since some days using dissolve and UnionOverlappingBuffers, but not being able to get ...
2
votes
2answers
251 views

Importing Bing Maps into application using ArcGIS Engine?

I'd like to create an application using ArcGIS Engine 10. I want to import Bing Maps into my application as base map. I surf the internet but couldn't find any tools or API to import these maps to ...
11
votes
6answers
3k views

How do I iterate through every cell in a continuous raster?

See this link for more details. The Problem: I want to loop through a continuous raster (one that has no attribute table), cell by cell, and get the value of the cell. I want to take those values ...
1
vote
1answer
85 views

IElement, extract Element from GroupElement nested in GroupElement

As per title. I am trying to extract Element from nested GroupElement. I can not find any code sample for that. Please refer to one or point me in to right direction, how to do that. It sounds ...
0
votes
0answers
364 views

How to create a raster dataset from a known decimal extent?

I have an input raster pInputRaster. I want to create a new raster dataset called pOutputRasterDS that is the same width, height and cellsize as my input raster dataset (I'm not worried about ...
1
vote
1answer
38 views

Assign a Value to a Customized Toolbar Item

I have developed a main toolbar that uses windows forms and arcobjects to write to sde databases. I am trying to extend the functionality of the toolbar to point to two different databases dependent ...
2
votes
3answers
2k views

Create a Line FeatureClass from IPointCollection

I want to create a new line layer from a point layer. I store the points in an IPointCollection. I want to use that IPointCollection to create a line IFeatureClass. I know how to create a single ...
1
vote
0answers
214 views

Am I correctly projecting a geometry using a WKID in ArcObjects?

I would like to take in any valid WKID for a spatial reference and then project a single geometry to it. The following code seems to be working, but (1.) can someone verify that this is the correct ...
3
votes
2answers
748 views

.net Geoprocessing object: 000816: The tool is invalid

I am currently trying to build an ESRI Addin that supports multiple versions of ArcGIS (10.0 & 10.1). The project targets .net framework 3.5 and is built in the ArcGIS 10 environment. The ...
1
vote
1answer
200 views

Is it possible to disable an Extension Addin on Startup

I am currently creating an Addin, that can be toggled on/off from the extension manager. What I want to do is when ArcMap is being loaded, to check the license level being used (which I have done), ...
1
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0answers
255 views

What is a good way to cluster point data by item counts in ArcGIS?

I have point features that have as an attribute an asset count. For instance, point A may have 3 assets whereas point B may have 300 assets. My goal is to have each point be in two categories: ...
3
votes
0answers
71 views

Difference between Custom Layer & plugin data source?

You can add custom data to ArcGIS Desktop in two different ways: Plug-in Data Sources Custom Layer What is the difference between these two? I'm looking at the possibility of creating an editable ...
1
vote
1answer
1k views

Debug target is missing - how to set in VS 2010 Express?

I updated ArcGIS from 10.1 to 10.2 and recompiled all Addins with ArcObjects 10.2. I am having an issue with 1 addin that accesses a custom tool in a toolbox and want to debug the project. However, ...
1
vote
1answer
91 views

ArcObjects- IBorder.GetGeometry() in Python

I am trying to get geometry of frame border trough IFrameElement.Border. I do receive IBorder object, which has .GetGeometry() method. How do I use this method to get geometry of the border? I can ...