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

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Plotting Multiple Points on Google Map using VB.net

I am creating a database application using VB.net and MSSQL 2012. I have retrieved a list of customer from the database and want to plot them on google map. At it stands, I can only plot the first ...
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352 views

Problem when executing Dissolve method in ArcEngine

I'm always having a problem in GP.execute() when trying to execute this method. Here is my code: Friend Function DissolveFeatures(ByVal pInFLayer As ESRI.ArcGIS.Carto.IFeatureLayer, ByVal ...
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33 views

ArcObjects interface to construct circles with segments instead of arcs

I am trying to see if it is feasible, using ArcObjects (VB.NET), to create a tool to construct circles comprised of line segments instead of arcs. I've looked over the available interfaces here but ...
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187 views

vb.net arcobjects enable customized context menu item only if a feature is selected

The solution may be very simple, but I haven't made it work. I want to enable a data view context menu item only if a feature (in polyline layer) is selected, all other places the item should in ...
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145 views

vb.net arcmap add-in log4net log still follow the configuration before update

I met a strange thing in my log4net for vb.net arcmap add-in. At first, I follow the link http://www.codeproject.com/Articles/42276/How-to-Use-Log-Net-with-VB-NET-A-Simple-Step-By-St to write logs ...
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194 views

Geoprocessor: using arc toolbox in vb.net

i am doing the following in order to use the predefined tool points to line in arctool box Dim ptoline As ESRI.ArcGIS.DataManagementTools.PointsToLine = New ...
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19 views

IDockableWindow ability to auto size?

I have a ArcObjects 10.2 vb.net Custom Add-in that is a dockable window. The dockable window displayes a windows form that has listboxes, textboxes, panels, tab panels, etc. that the user interacts ...
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15 views

Substract 2 rasters with Raster Calculator in ArcObjects (VB.NET)

I'm having a hard time substracting 2 raster with ArcObjects sdk 10.1. I keep getting a nullreference exception at the gp.execute() method, but I can't figure out where the problem is, I recall ...
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15 views

Is there a way to keep a a custom tool active while using the edit tools using ArcObjects?

I'm developing a tool that, when the user creates a feature in a certain feature class, prompts the user with a form to populate one of the fields in its attribute table. I'd like to have the user use ...
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371 views

Join and Calculate vb.net

Im trying to join an excel table to a shapefile and then calculating those fields using vb.net. The code I have written has no errors, but won't work when I try it in ArcGIS 10.1 and I'm out of ideas. ...
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39 views

Initial state of VB .net checkbox to toggle ArcMap layer visibility

I have a checkbox control as part of an ArcMap add-in with a dockable window in VB .net that turns a particular layer's visibility on and off in ArcMap. The initial state is set to "unchecked". But, ...
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53 views

Order a list of points to make a polygon with smooth outer border

I have a function that pulls some lat/longs from a Database and then I put those values in a polygon to see it's shape. The problem is they are so random in position and direction from each other that ...
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108 views

How to get a feature class from a File Geodatabase in ArcObjects? (VB.NET)

I just started out with ArcObjects and I've been stuck on this for days. How do you open up a File GDB and read out a simple feature class? The snippet for retreiving a shapefile from a regular ...
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4answers
2k views

How can I permanently reorder fields in a feature class programmatically with ArcObjects, VB.Net?

Would someone be able to share the logistics on how to permanently programmatically reorder fields in a feature class with ArcObjects, VB.Net. I want to be able to do this in the geodatabase not in ...
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1answer
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ArcMap Geoprocessing vba code/tool - smooth polygon

I would like to execute the smoothpolygon tool within ArcMap vba and I'm having some trouble defining the parameters syntax for the tool. I'm getting this error below: ERROR 000622: Failed to execute ...
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1answer
24 views

Getting the New Map When the FocusMapChanged Event Fires

Normally, in ArcMap, when an event handler to catch the FocusMapChanged event is set up, and a new map (data frame) is activated, when the event fires, a reference to the FocusMap returns the map that ...
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38 views

Show selection set in Attributes Window

I have an ArcObjects extension that creates a selection set and then zooms to the selected features. This part works as expected. The problem that we are having, however, is that the selection set ...
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17 views

Catch the VisibilityChanged event for TopologyLayer

I can set up a handler to catch the VisibilityChanged event of every map layer returned by: pEnumLayer As IEnumLayer = My.ArcMap.Document.ActiveView.FocusMap.Layers(Nothing, False) Then with each ...
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4answers
570 views

Does SHAPE_Length take into account elevation values?

Does the Shape_Length attribute take into account the elevation? For instance, if I have 3 points: A, B, and C A.X = 10 A.Y = 10 A.Z = 10 B.X = 10 B.Y = 10 B.Z = 50 C.X = 0 C.Y = 0 C.Z = 10 Then I ...
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2answers
202 views

Export Page Layout to PDF using ESRI add-in with vb.net

Note: This message is cross-posted on geonet (https://geonet.esri.com/thread/127249) I have been trying to convert a vba script to vb.net but I have hit a roadblock and I'm hoping someone can help me ...
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56 views

Export map and mailing data via a console application in VB.NET?

Problem: A client saw a JavasScript demo and would like some of its functionality replicated in VB.NET. I don't understand how the JavaScript demo works nor how to convert it to VB.NET. I have also ...
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273 views

Unable to create .esriAddin; missing ESRI ArcGIS Add-in SDK components(s)?

What am I missing? I upgraded to ArcGIS 10.3 succesfully recompiled all other 20 or so addins after encountering a similar issue and renaming "ESRI.ArcGIS.AddIns.11.targets" to ...
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93 views

Visual Studio not creating “.esriAddIn” file

I have an addin that I've been maintaining with Visual Studio 2010 Express for quite some time with no issues. Recently my computer was replaced and Studio 2012 Express was installed. Since that time ...
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60 views

Need a free\open source library to calculate LOS & Viewshed using C# \ VB

I'm working in a Radio Propagation Analysis project that required to draw the Line-Of-Sight (LOS) between two radio antennas and calculating the View-shed for one radio antenna. So i need a Free\Open ...
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467 views

Creating SQL query in ArcGIS Explorer SDK?

I am using the ArcGIS Explorer SDK and have run into an issue surrounding a query I would like to perform with SQL. I believe my query is built wrong or perhaps I am looking at the wrong fields. Would ...
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4answers
515 views

Migrate in a new programming GIS language

The last five years I have been working with VBA and ArcObjects for developing a specific application within ArcGIS. That project that began around 2008-2009 carried out with VBA and ArcObjects which ...
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96 views

How to find co-ordinates of two intersecting features (circle and polyline) in vb.net using arcobjects?

I am new to arcobjects and i want to find the co-ordinates of the intersection points of a circular arc and a polyline. Can somebody please help me with this. I've tried the following code but it is ...
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1k views

Finding path where add-ins are installed for ArcGIS Desktop?

I see that my add-ins are installed to C:\Users\Me\AppData\Local\ESRI\Desktop10.0\AssemblyCache{6C90269B-D233-4122-3747-C2AE1131E22C} Is it possible to find that file path from within the Add-in ...
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1answer
114 views

Geometry to Shapefile

From importing the shapefile to postgis, its geometry is added to the database postgresql. The question, how can I load the shapefile in the Visual Basic.Net using the geometry in the database ?
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89 views

arcmap editor attribute window fill value programmatically

In my map I have a layer named PARCEL, when create new feature on this layer, the attribute window will open automatically. There are 2 attributes in this layer: PARCEL_ID and SUB_ID. Since the ...
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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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80 views

How to read DGN using GDAL in VB.Net?

Reading a DGN file is a big problem for me. I tried more and more but can't find a way to read a dgn(v8) file by VB.Net. After many search, i found out that GDAL can read and write dgn file, but i 'm ...
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306 views

vb.net arcobjects spatial query get fields value of desired layer only

Currently I am using ArcObjects (10.2.1) in vb.net (vs 2012). What I intent to develop is a spatial query tool. There are 2 steps in the function: (1) Use "Select Features" tool in ArcMap to select ...
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83 views

How to run spatial query get fields value of 2 layers?

Last month I ask a question "vb.net arcobjects spatial query get fields value of desired layer only", url vb.net arcobjects spatial query get fields value of desired layer only. Now there is some ...
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310 views

What method should I use to accurately georeference a geographic map?

I'm writing an application that allows the user to sample points and perform georeferencing In order to test it I have a large scanned map (16k x 13k) pixels covering the area 31 north to 34 north ...
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272 views

Add WMS Layer into map using Arcobjects

I am going to add a wms layer to my existing map.I use this code: public load_wms(ESRI.ArcGIS.Controls.AxMapControl mapcontrol) { // Create an WMSMapLayer Instance - this will be ...
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27 views

ITopologicalOp simplify

I want to simplify a polyline geometry so that at the intersection line was torn, that is added EndPoint (see figure below). Polyline Feature class is stored in a file geodatabase in the dataset, it ...
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1answer
94 views

How to batch export to PMF using ArcGIS 10.2 and VB.Net

This is my first post, and was hoping I might be able to get some assistance. I have modified a code I found online to batch export a series of map documents (mxds) to ArcPublisher files (PMFs). I ...
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3answers
1k views

Problem creating a point IFeatureClass

I'm trying to create a point IFeatureClass, but my code doesn't work. Public Function CreatePointFeatureClass(ByVal featureClassName As String, _ ByVal ...
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625 views

How to solve a Run-time error 91?

I have a function which a part shown below. The problem is that I get a Run-time error 91 (object variable or with variable not set) and the debug highlights the last line of the code ( Set ...
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2answers
146 views

Arcmap VB.NET export map to SHP error

I want to export a query to a Shapefile. If the query is empty I get an error and it will not export. How can I do nothing if the query is empty and export next query in the list? Sample if I ...
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2answers
66 views

feature store get NullReferenceException error

I am trying to update a field value according to the selected OBJECTID. But get System.NullReferenceException error. Don't know what's wrong with the code. My code is as follows: pActiveView ...
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104 views

Row.Value returns rounded SHAPE.area and SHAPE.len values

I have created a VB.Net Add-In, and am using IRow to get the value of fields in tables in ArcMap to use in a query. But I am encountering a problem when getting the values of the SHAPE.area and ...
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70 views

arcobjects determine when attribute dialog window closed

In arcmap, I choose to "Display the attributes dialog before storing new features" in editor options for several layers. I intend to do further development upon user closing the attribute dialog ...
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72 views

How to use IWorkspaceName2

I'm trying to make a little utility to generate encrypted passwords for MSD files (change the XML inside the zip). I found this example online, but I'm not familiar with esri's API, so I'm not sure ...
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1answer
39 views

ArcObjects - Highlight something in TOC

Can someone help me please, I'm searching for a way to highlight a Feature Class in the TOC. I tried so many snippets and I didn't get the result I wanted So what I'd like to have is a function ...
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1answer
126 views

vb.net arcmap add-in loop through a dbf file get 'System.NullReferenceException' error

I am using vb.net arcmap add-in. I encounter a System.NullReferenceException error and cause arcmap crash. The workflow in my vb.net code is: (1) create a ShapefileWorkspaceFactory (2) use the ...
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2answers
145 views

Getting a list of ObjectID from a Selection Set Object using ArcObjects 9.3 in VB.Net

I am trying to get back a list of ObjectIDs from a selection set using VB.Net in ArcObjects for ArcGIS Desktop 9.3. I have been passing an object populated using the ".IDs" method from the ...
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1answer
4k views

“Error HRESULT E_FAIL has been returned from a call to a COM component.” during using geoprocessor by VB.net

I am also get a error shows like "Error HRESULT E_FAIL has been returned from a call to a COM component." And the Exception snapshot shows the "stacktrace" is at ...
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1answer
200 views

vb.net arcobjects mapping different field values in attribute table

I need to mapping different field values in an attribute table. The attribute table as follows: For example, I want to get the "DrainName" value when "BQ no." = "22/22" and "Segment ID" = ...