Questions tagged [vb.net]

An object-oriented programming language from Microsoft. It is the .NET version of the Visual Basic (VB) programming language.

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5
votes
2answers
14k views

How do I change the targeted .NET 4.0 Framework to version 3.5 in an existing VS 2010 EXPRESS project?

I am upgrading from ArcGIS desktop 10.0 to 10.1 and I have a bunch of addins developed in VS 2008 Express using ArcObjects 10.0. I would like to upgrade everything to 10.1 using VS 2010 Express. I ...
6
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1answer
684 views

Spatial Query works while stepping through debugger but not otherwise

ORIGINAL POST: I'm not actually sure whether this is a VB.net problem or an ESRI problem...but given the number of really odd ESRI quirks I've encountered, my money's on the latter... I have a piece ...
1
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1answer
785 views

“There is not enough memory” Error when accessing IArea.LabelPoint

I have an intermittent error that I'm having a terrible time tracking down so I thought I'd see if anyone has encountered something similar. I am trying to access the label point of a polygon feature ...
1
vote
1answer
227 views

Don't move Layout

I'm doing a vb.net button to run in ARCGIS. the button is working, the problem is as I'm working in the layot when I press the button, change the layout coordinates and the map coordinates. Is a way ...
7
votes
1answer
1k views

Turn off field programmatically in ArcMap via VB.Net

I'm creating an addin button in Arcmap via VB.net that when clicked, runs the identify tool. But I want only selected fields to appear in the identify dialog. My idea is to hide the unnecessary fields ...
4
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1answer
411 views

How to use IDatabaseCompact.Compact() on an used IWorkspace, without permission denied

I am writting an ArcMap-AddIn with vb.net. I get an error when trying to compact my IWorkspace(mdb), the error is: COMException You tried to open a database, which was already opened by the ...
0
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1answer
127 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 ...
2
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1answer
1k 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 ...
2
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2answers
517 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
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0answers
187 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 = ...
3
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1answer
884 views

Counting distinct values in a field of a table stored in pgdb

I need to calculate total count of distinct values of a field . That field contains many duplicate values also. The table which contains that field is stored in pgdb. I want things done in vb .net. ...
1
vote
1answer
602 views

exporting a featureclass to shapefile with selected fields only [duplicate]

Possible Duplicate: How to control which Fields are exported in ArcObjects? (via Field Mapping) I want to export a featureclass to a shapefile.The only condition i want to impose is that ...
1
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1answer
662 views

ArcObjects 10.1

just updated to 10.1 and I'm having issues moving from 10.1. I get the errors with my ADF reference when trying to create custom tool bars examples: 'BaseToolbar' is ambiguous in the namespace '...
2
votes
3answers
1k views

Connecting to non geodatabase MS Access database using ArcObjects

I am trying to connect to an MS Access database from a program I have written in VB.Net with ArcObjects 10.0. My MS Access database is not a personal geodatabase so apparently I have to connect to ...
4
votes
2answers
1k views

DLL As Embedded Resource ArcMap Add-In? VB.NET

I tried using StackOverflow, but I don't think anyone can answer my question in context(ArcMap Addins). I am currently developing an add-in that needs to load a custom control DLL as a dependency. ...
2
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0answers
223 views

ArcGIS Desktop 10 - MyBase.UpdateBitmap()

I am changing one icon on my extension toggle toolbar in runtime using: MyBase.UpdateBitmap(New Bitmap(Me.GetType(), bitmapResourceName)) This works fine but I get a border/highlight around my image....
1
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0answers
208 views

Map Algebra in VB.NET Add-In Tool

I'm trying to run a map algebra expression in a vb.net add-in, and can't seem to get it to work. It's a roving window that interpolates noData areas in a DEM. The expression works in the Python window,...
2
votes
1answer
986 views

How do I save an ArcMap map document using VB.Net?

I am trying to save the map document that is currently open. How do I write the code? I have tried many suggestions that I found using Google searches, but nothing works. Currently I have: Dim ...
2
votes
1answer
1k views

Why do I get an “Type 'IPoint' is not defined” error in VB.NET

I am writing an add-in for ArcMap 10. I am trying to do Dim clickedPoint as IPoint in VB.NET, but I get "Type 'IPoint' is not defined" error. Do I have to import a class or how do I make this work?
1
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0answers
506 views

Create IPoint with Lat/Long in decimal degrees and Z in feet

I have written an ArcMap v10 AddIn that reads a folder of geotagged JPEG's and creates a new feature class where each point is the geotag information from on of the JPEG's. The issue is: The GPS ...
2
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0answers
28 views

How to implement VisibleBoundsUpdatedEventHandler

I have an ArcObjects add-in button that adds attribute value info as a text graphic into a map document layout. Now, instead of using the add-in button click event, I would like the code to run on ...
2
votes
1answer
606 views

ArcObjects 9.2 SDK: How to intersect two SelectionSets (in-memory pointers) and return a FeatureClass?

[Update] Since posting this question, I've come to the conclusion I'm not fighting flaws in the BasicGeoprocessor object, but more likely having issues with poor object lifecycle management on my ...
2
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1answer
656 views

ArcMap 10 Layout View: search for elements and delete

I've to regenerate a single layout with data from each point feature. So, I wrote a VB.NET routine to clean the layout, searching for text element, selecting it and deleting it. Well, the routine ...
3
votes
2answers
805 views

Enable Add-In Button if One Feature is Selected from Specific Layer

I am trying to enable an add-in button on my toolbar if only one feature is selected from a specifc Layer. For example, when ArMap loads, the button should be disabled. If the user selects one feature ...
5
votes
2answers
656 views

Why esriSpatialRelTouches relation does not work?

I have two feature layers. The first one is just a polygon and the other one consists of a series of polygons which are enclosed by the first one. Thus, some polygons of the second feature layer touch ...
2
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0answers
109 views

How to solve a filename conflict problem?

I use a procedure to remove and delete a feature layer with a certain name. Then, using another procedure which is called during the run time of the program (as the remove and delete procedure as well)...
0
votes
1answer
2k views

Exception from HRESULT Error - Update Attributes

I have a form that allows users to update attribute information for selected features...but I'm recieving the error: "Exception from HRESULT: 0x80041051" when it tries to update the data. I'm using ...
1
vote
0answers
245 views

How can I denote the values of reclassification using variables?

I used the following lines of code to classify a raster. However, my problem is how can I denote the old and new classification values in the last code line using variables? Then number of values ...
2
votes
0answers
145 views

How can I identify the pixel with the maximum value in a grid? [duplicate]

Possible Duplicate: How to find the locations of the highest values in a raster? How can I identify the pixel with the maximum value in a grid and get its coordinates? Any VBA code please?
2
votes
1answer
571 views

How to use nested loops with cursors?

I use the following nested loops to read the first point feature of a dataset and the rest points in that dataset. Then read the second point feature of a dataset and the rest points in that dataset ...
3
votes
2answers
1k views

How to loop through an array of point features?

I have a set of point features and I wish to find the points that have common coordinates. Now I changed the code as shwon bewlo by using the IPoint and the compare method through a function. I have 2 ...
2
votes
1answer
705 views

arcgis server 10, .net web api samples

i am running arcgis server 10, installed visual web developer express 2010 edition, now wanted to run samples from arcgis.com for .net web api, for example the following one http://help.arcgis.com/en/...
2
votes
1answer
747 views

How to cast SDE table to IFeatureClassLoad

How do you cast an SDE table to IFeatureClassLoad using ArcObjects? I'm getting an error with this attempt below which is not the correct method: Dim pSDEFeatWksp As IFeatureWorkspace = ...
4
votes
1answer
3k views

Filtering a raster by pixel cluster size in ArcGIS?

I have a raster image representing islands in a river (see image) created using the following process: 1) Clip a water surface DEM and watershed DEM by a bounding polygon (waters' edge). 2) Subtract ...
0
votes
1answer
491 views

arcgis server 10, vb.net, IMathOp problem

i am using arcgis server 10 and visual studio with vb.net to build web mapping application. inside my code i have the following line: Dim RasterCal As ESRI.ArcGIS.SpatialAnalyst.IMathOp = _ New ...
2
votes
1answer
448 views

arcgis server 10, vb.net add reference problems

i am using 'arcgis server 10' and 'visual web developer 2010 express'. now, i opened a 'web mapping application' then wanted to 'add a reference' to 'esri arcmap object library 10.0' it says: A ...
2
votes
5answers
6k views

Programmatically calculating the length of all polyline features in a featureclass

I've come across this issue a few times and have not yet found an agreed upon solution on any forum. Simply put, I have a featureclass containing many polyline features. I would like to calculate the ...
1
vote
0answers
268 views

arcgis server 10, vb.net, non pooled service, web adf

i am running arcgis server 10. i created a A.MXD file, then started arcgis server and successfully added non-pooled service using A.MXD. i also installed visual web developer 2010 express and created ...
3
votes
2answers
2k views

ArcObjects: Getting the properties of a layer that has lost its data source (VB.NET)

When you save an ArcGIS map document (MXD) and then change the data source of a layer in the MXD, you can no longer see the layer in the MXD and you must redefine its data source. But suppose you ...
4
votes
4answers
6k views

Sum the values of a single raster and output the value as a number?

I have a floating point raster and have applied a conditional to it in order to only extract the positive values, so there are 'no data' "holes" in the raster. I simply need to sum the values from ...
7
votes
4answers
1k views

Deriving separate polylines from coded points using ArcObjects (Figure inside)

I have a single point featureclass that represents the left and right sides of a landform (the points are coded as either 'right' or 'left'). Visually I can pick out and digitize two lines along these ...
1
vote
3answers
3k views

ArcMap Form/Button VB.NET MxDocument hook

---UPDATE--- see below I have a scaling raster tool that I'm attempting to migrate from ArcGIS 9.3.1 VBA to VB.NET (Visual Studio 2010). I have a BaseTool that is used to put two graphic points ...
-1
votes
3answers
940 views

ArcObjects conform to .NET standards Error

So, I'm following the "Walkthrough: Migrating VB6 to VB.NET for ArcGIS 10" to convert my VB code to .NET (using Visual Studio 2010), and I'm running into this error, "NullReferenceException was ...
4
votes
4answers
2k 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 ...
2
votes
3answers
881 views

CreateFeatureClass failure in vb.net

I'm using ArcGIS 9.3.1 and trying to get the code to create a new feature class in an existing personal geodabase to work but I am having no luck. When running in debug mode from within vb.net it will ...
2
votes
1answer
695 views

Create data table in geodatabase

Using vb.net, my custom tool needs to create a data table in my geodatabase to store some information for later use. The user will be in ArcMap 9.3.1 with the geodatabase up and layers displayed. I ...

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