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

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How to smooth XY Co-ordinates of linear feature?

I need to smooth xy co-ordinates. see the image: In this case, i need to remove 5,6,7,8 and 9th co-ordinates or need to make those co-ordinates as a straight line between 4th and 5th. is there any ...
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2answers
53 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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69 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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191 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" = ...
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44 views

vb.net arcobjects check if topology has error

I follow the esri example for validating topology, is it possible to tell whether topology error exists? The code I use: ' Step 1 - access a topology Dim topoUiD As UID = New UIDClass ...
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40 views

vb.net arcobjects validate topology ITopologyExtension and esriTEEventHint not declared

I am trying to use arcobjects with vb.net to validate a topology (already defined). I am caught even when I use the sample provided by ESRI. The code I use for accessing a topology is: Dim topoUiD ...
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97 views

ArcObjects - Geometry type select with Vbnet

How can I read the geometry type of shapefiles with ArcObjects and Vbnet? I want to check whether it is a point, polygon, or a line.
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135 views

How to find the coordinate system of an existing Map in arcGIS using VB.NET [closed]

I already have a georeferenced base map loaded in ArcMap. I want to find the spatial reference of this map and assign the same coordinate system to a polygon that I created. I can not get a start with ...
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85 views

Inverse of Selected Records using ArcObjects? [closed]

What is the Process to find the inverse of selected data from featureclass using vb.net arcobject?
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107 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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74 views

How to fire .NET code in my ArcGIS application from javascript?

So I'm developing a .NET desktop application for ArcGIS in VB. As a new part of the application I have developed an SVG / Javascript map as a 'loading screen' where you select your dataset to load ...
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370 views

adding custom tools to a toolbar

I have created 3 custom tools, using vb.net, to run in ArcGIS. They all runs fine.They are inside a same project, in three different tool classes . Now i want them all to be added in a single toolbar, ...
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103 views

How to maintain many-to-many relationship between feature class and table with multiple disconnected editors?

I have an application coded with VB.NET (ArcGIS Engine) and its functionality is: digitize a parcel and enter information for its owners, so i have a M-N relationship between them. every parcel has ...
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3k 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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2answers
179 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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59 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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134 views

Problem with ArcGIS annotation

i have a problem with annotation (ok i will explain) : in database i have : parcelle : a geometry table that contain polygons personne : a table contain parcel's owners pll_personne : is the ...
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1answer
103 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 ...
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4answers
358 views

How to solve a run-time error in Thiessen polygons command line

Well I revise my post by giving more information for my problem hoping I may get some help please. I call Procedure 2 from a loop that is within Procedure 1 (see below). The program stacks in the ...
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1answer
759 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 ...
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22 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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43 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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84 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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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
86 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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1answer
127 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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1answer
80 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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1answer
169 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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76 views

IMap.FeatureSelection get the selected feature field value always return -1

I am following the sample code of ArcObjects (vb.net) of IMap::FeatureSelection, I want to get 1 field value of all selected features. unfortunately I always get the value -1, any idea on it? The ...
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0answers
36 views

Can arcobjects validate topology globally

I want to develop a function which allow user to validate a topology in the whole map wide. But from what I searching from internet, to validate a topology, a dirty area (polygon) must be defined, ...
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1answer
81 views

Code to get featureclass name from existing topology

I am creating and validating topology through vb.net and arcobject code.Things are running fine as I am able to add rule and validate it . Problem is when once the program is run and topology is ...
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47 views

Can we change envelope.expand parametres from double to metre

I wish to find all those line intersecting from point which are 8 metre away from the point.Let me expalin you what i did so far- pEnvelope=Frompt1.envelope pEnvelope.Expand(0.5, 0.5, true); And ...
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1answer
97 views

Printing a Form includes data grid and axmapcontrol

i have created a windows form with some controls in it like data grid and axmapcontrol, it seems that printform cannot print the content of the axmapcontrol. i need to create a table of data and a map ...
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1answer
197 views

How to use ArcObjects to limit classes visible in legend?

Is there a method use ArcObjects for .NET to manipulate the "Only show classes that are visible in the current map extent" option for legend items? The GUI for this functionality is accessible via ...
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1answer
728 views

Problem inserting new features to file geodatabase feature class using ArcObjects 10 SDK

I'm trying to add new feature to file GDB feature class and keep getting this error: Objects in this class cannot be updated outside an edit session. Feature class has attachments enabled (exists ...
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1answer
195 views

Activate layers that are in a checkbox list

I'm trying to do a code to activate layers that are in a checkbox list, the code that I'm trying to use is this: MxDoc = My.ArcMap.Document Maps = MxDoc.Maps If ...
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0answers
190 views

How to get x and y coordinate values of an annotational featureclass

I am able to get the x and y coordinate values from point, polyline, polygon and multipoint type featureclasses. However, I am unable to export x and y coordinate values of an annotational ...
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125 views

Run time error for GP objects

I have a code with toolbars which I tried to run it in another PC but it failed. I get a run time error "Method Addtoolbox of object I GDispatch failed". The line that the code stacks is the last one ...
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600 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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1answer
416 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 ...
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3answers
801 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 ...
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2answers
332 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.