Tagged Questions

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
votes
1answer
824 views

How to split a Polyline Geometry at a certain point in ArcObjects?

I have a polyline geometry and wish to split it into two different geometries, based on a given point on that line, in ArcObjects. I have tried to find out how to do this, but to no avail. I found ...
2
votes
1answer
105 views

How to output the ActiveView to a Jpeg image

I have an ArcGIS Desktop extension and I need to extract images from the map. How can I programmatically output the active view to a jpeg image?
2
votes
1answer
397 views

Get Type of Arcobjects objects

Trying to check the type of some Elements if they are (ITextElement , MarkerElement), when i try .getType() function it returns always "System._COM_object". How i could get the type of an object if i ...
2
votes
1answer
172 views

Get Annotations selection Arcobjects

i have annotations stored in mxd document, when i select some annotation , i tried to get the selection through graphics selection, so i got always the rectangle of the dataframe (because i'm working ...
2
votes
0answers
78 views

Recommendations on universal projection API or algorithm for ArcObjects?

As asked on the esri forum here, we are trying to convert a geometry from any spatial reference to any other spatial reference. We have tried the default IGeometry.Project(target_spatial_reference) ...
2
votes
1answer
192 views

Error in Symbol Selector Sample

This question can seems to be n00b, but really im stuck at running this Arcengine Sample code, then i got this error i'm looking for any working example of Symbol Selector. i'm working on XP SP3, ...
3
votes
1answer
1k views

How to add a layer file to an ArcGIS map document programmatically?

I want to create a feature layer from a layer (.lyr) file and add it to my ArcGIS map document programmatically. I am using C# and ArcGIS. I have a layer file and a shapefile.
15
votes
3answers
1k views

Algorithm to find out points of inflection for a polyline

I am trying to find out the points of inflection , i.e. points where the curves in a line start and end. If you look at the image, the green line may be a road or a stream, and the black points are ...
2
votes
1answer
572 views

How to create a new feature layer from the selected features?

I have a simple tool written in ArcObjects which takes features from a layer and does some processing on them. I use a feature cursor to loop through all the features in the layer. To perform the ...
0
votes
2answers
715 views

Unselect Individual Selected Features using ArcObjects

I've been stumbling around with this issue for a bit now and I can't seem to find any relevant answer for it anywhere else. In my Add-In built using .NET ArcObjects/C# with Arc 10.0 I would like to ...
3
votes
1answer
360 views

Cannot select a feature using ArcObjects because coordinate systems differ

I'm using ArcMap 10 and Bing Maps Road as base map. Then we have our adding which is programmed using C#. What I'm trying to do is to select a feature (A) that intersects another feature (B, from a ...
4
votes
1answer
723 views

How to declare ArcSDE workspace for Geoprocessing tool in ArcGIS 10.1 using ArcObjects and c#?

What is the proper way to declare an ArcSDE workspace for Geoprocessing tools in c# .net? I am using ArcGIS 10.1 SDE (MS SQL) on SQL Server 2008. I want to write code so that every night the server ...
1
vote
1answer
232 views

queryFilter whereclause - VBA to c# [closed]

I need some some with a queryfilter whereclause that is giving me a headache.. All it does is convert the search to uppercase and preform the search whether the result is uppercase or not (e.g. it ...
2
votes
1answer
134 views

How do I export circles from ArcObjects to WKB?

I have a small circle in SDE which I'm trying to extract through ArcObjects into well-known-binary (for later import into other systems). Using the IWkb interface I can obtain the WKB, but it comes ...
1
vote
1answer
499 views

Convert a FeatureLayer to graphics in Arcobjects

I want to convert a Map or FeatureLayer to graphics on Arcobjects 10.1, Any help or code examples Problem Solved this is the working code: private void Convert_to_graphics( IMapDocument doc) ...
1
vote
1answer
66 views

meaning of createObject(Point.getClsid())

What actually does the createObject(Point.getClsid()) do?Does it create a new Point Object,and return the class id of the Point.Does it mean that each point created will have the same class id. I ...
3
votes
0answers
306 views

How to draw a rectangle graphic element (given feature and extents in meters) with ArcObjects?

I am trying to render a rectangle graphics box onto the map, given the center location of an polygonal feature and the extent dimensions (length and width) in meters. The feature has the spatial ...
1
vote
2answers
84 views

How to edit the position of a banner text's pointer?

I have build an ITool where one can add text (ITextElement) to the map. The user can choose the symbol from the ESRI symbology. There one can choose a symbol called "Banner Text" which looks like this ...
2
votes
1answer
337 views

Converting a Map to graphics and annotations

i want to export a map for later editing before print, so i thought about converting all the annotations and and graphics and save them in the .mxd map. when i export graphics after exporting labels ...
2
votes
1answer
387 views

Problem Initializing License for ArcEngine application

I have written an ArcEngine application using vb.net and Visual Studio 2010. When I initially started the code, I indicated an ArcInfo license was available during the project setup. This worked ...
0
votes
1answer
121 views

Problem with deploying addin

I have made a Button addin for ArcMap in Visual Studia 2010, but I don't know how to deploy it, I tried debugging it from ArcMap but nothing happens, Any help Please.. Thanks in advance....
0
votes
1answer
92 views

Unable to update integers in PGDB table field using ArcObjects

Dim pLinerow As IRow pLinerow = ptable.CreateRow pLinerow.Value(pLinerow.Fields.FindField("IS_CLOSED")) = 0 when this code is executed, the below mentioned error is returned, "Error HRESULT ...
4
votes
1answer
283 views

How to handle events with ArcMap automation?

We have a bunch of forms written in C# as ArcMap commands, which are running happily in the normal way from command buttons. The forms interact with the map by creating layers and symbologies, and by ...
1
vote
0answers
59 views

Concurrent users using a DLL to access ArcObjects?

So currently I have some ASP.net code where users are updated GIS through a DLL file that uses ArcObjects to talk to the MapService and layer. My question is, will there be concurrent user issues? ...
4
votes
2answers
122 views

How to do raster conditional comparisons in .NET?

I am comparing a raster with a constant value by raster calculator. Now I want to do this in a c# code. Question Is there any process to do this kind of raster conditional comparison in .net?
1
vote
1answer
510 views

Implementing Custom Selection Tool (Adding to current selection) with ArcObjects

I am trying to implement a custom selection tool in ArcMap 9.3.1 that is functionally similar to the default ArcMap selection tool with "Adding to current selection" enabled. ie. the user can click to ...
0
votes
1answer
182 views

Life cycle of an AxControls - license missing in some point of the execution

DEAR PEOPLE FROM THE FUTURE: Here's what we've figured out so far… Does anyone know the lifecycle of an AxControl (AxTOCControl)? I have a complex application, that uses several technologies ...
2
votes
4answers
609 views

Why does ITopologicalOperator2 .ConstructUnion produce a somehow invalid polygon?

I try to add a single buffer around the shape of the selected features. So I step through each selected feature and add it's shape to a GeometryBag. With ITopologicalOperator2.ConstructUnion I create ...
-5
votes
2answers
296 views

How to create multipart polygon if coordinates of each part are given? [closed]

How to create a multipart polygon if i am having the values of coordinates of each part. Thanks in advance.
1
vote
2answers
213 views

How to add command developed with C# to ArcToolbox?

I have a command that I developed with c#. I want to add this command to the ArcToolbox. Is there any way to add such a command to ArcToolbox in ArcGIS Desktop programmatically ?
5
votes
3answers
1k 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 ...
0
votes
1answer
98 views

How can i use ihookhelper interface in python?

I use ArcObject in python to develope a tool. I import comtypes in python to access the arcmap layers in python and use ifeaturelayer interface. I have to set featurelayer to ...
1
vote
2answers
769 views

IFeature.Store seems to bypass edit sessions and cannot be rolled back. Why?

I'm working with ArcObjects edit sessions for the first time and am having some trouble with it. The C# code I am about to discuss is part of an ArcMap 9.3 extension DLL. My problem is that calls to ...
0
votes
1answer
177 views

error running c# code

I'm new in programming . i'd like to write a simple code that can create offset from a polyline . i wrote the below code but when run the code i encounter to the error " Null reference exception was ...
1
vote
0answers
65 views

IMapControlEvents2.OnKeyDown not hit on Alt + key

I want to catch the Alt key plus an addionally hit key in the MapControl's OnKeyDown. I did already set MapControl's KeyIntercept to esriKeyIntercept.esriKeyInterceptAlt but the event handler doesn't ...
5
votes
1answer
276 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 ...
2
votes
2answers
319 views

How to get radiobutton checked after pop-out window?

I am trying to migrate my program from ArcMap 10 VBA to ArcObjects VB.net add-in in Visual studio express 2008. I write a ArcGIS addin component tool to draw a geometry, perform a spatial query and ...
1
vote
1answer
75 views

On which TextBox event should I call ICompletionNotify.SetComplete?

I have a IToolControl derived control which contains a c# TextBox. In the IToolControl::OnSetFocus function documentation, it states that you need to call ICompletionNotify::SetComplete() when it's ...
4
votes
1answer
425 views

Programatically take screenshot of map extent in ArcMap 9.3

Is it possible to programatically capture a screenshot of the current map extent (the map area with any active displayed layers) in ArcMap with the ArcObjects .NET SDK?
3
votes
0answers
147 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 ...
0
votes
1answer
111 views

Determine what value used in Editor.OnCreateFeature

How can I determine what Value-Layer (not the layer itself, but the different colors for different attributes) was used in ArcGIS CreateFeature Event, when I insert a new feature using the Editor?
1
vote
0answers
39 views

Did not find registered control [closed]

I am using ESRI Arc GIS with C#. I dragged 2 control licence and axMapControl. When I run the program following error occurs. Did not find a registered ActiveX Control in C:\Program Files (x86)\Arc ...
4
votes
2answers
847 views

How do I publish a custom .NET GP Tool as a GP Service on ArcGIS Server 10.1?

I have a GP Tool that I am able to publish as a GP service at 10.0. I recompiled the DLL for 10.1 and have followed the steps in the Deploying custom .NET and C++ tools page of the 10.1 help doc. ...
1
vote
1answer
490 views

Custom C# tool populate field combobox parameter from layer parameter

I'm creating a custom tool for arcmap toolbox where user select FeatureLayer in one combobox, and in next combobox user can select a field from selected FeatureLayer. FeatureLayer combobox fills ...
2
votes
2answers
281 views

IFeatureIndex2.Index Performance Issues ArcObjects

I have a large number of polygon features in a personal geodatabase featureclass. I would like to find the nearest polygon for several points inside an area of interest(the red area in figure). I ...
1
vote
0answers
123 views

How to show size/length of sketch while creating new feature?

While adding a new feature to a feature layer I like to show the size (area)/length of the sketch so that the user has a better feedback while placing the vertexes. So I hook up MapControl's ...
1
vote
0answers
152 views

Sending coordinates of features of any polygon featureclass to a table

I am trying to store x-coordinates and y-coordinates of a polygon feature in a table. But, i am getting an error message: Item not found in this collection. The code is like this: Do pFeature = ...
2
votes
2answers
357 views

How to deploy custom .dll commands in ArcMap 9.3.2?

In ArcMAp 9.3.2, I am trying to bring in an acreage calculator .dll buttom that I have used on previous versions. The .dll doesn't show up on the list of available custom addons. Is this a ...
3
votes
1answer
185 views

ArcObjects/VBA to python Network edge to junction lookup IEdgeFeature equivalent in arcpy

In an effort to migrate a script that transfers attributes from a geometric network to a feature class (on a given network edge segment, what are the up and downstream junctions?) I would like to ...
6
votes
1answer
174 views

How is IValidate.GetInvalidRules supposed to work?

we are currently trying to programmatically validate features against geodatabase-defined rules. This includes attribute rules as well as connectivity and relationship rules. We have consulted the ...