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 display labels from many-to-many relationship in ArcGIS 10 using VB.NET?

I have two tables in a geodatabase: parcel; and person 1 or + parcel, can have 1 or + person (relationship is many-to-many) Using VB.NET I can display all the parcel labelled with the ...
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70 views

IStepProgressor in While Statement

I have implemented DBScan in vb.net (forced to...). I am using a progress bar to track other parts of this tool. These all are implemented in For loops. Therefore, incrementing the tracker is not ...
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110 views

ArcGIS Server - Polygon lines dimenstions

How to measure the lines of polygon . VB.NET + ArcGIS Server . I have ArcGIS Server 9.3 - WebADF - VB.NET
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175 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 = ...
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197 views

How to get label text for each feature in vb.net in Arcview

I am trying to get text for the label that Arcview is going to place for each feature when the labeling is on, so that I can write it to a file. Since the labels may have complex operations involved, ...
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168 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 ...
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386 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 ...
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225 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 ...
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249 views

arcgis server 10, vb.net, adding dynamic data

i am using arcgis server 10, with visual web developer 2010 express edition. i downloaded "ArcGIS_AddDynamicData_VBNet\Default_ADF.aspx" project form ArcGIS Add dynamic data for ArcGIS Server 10. ...
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260 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 ...
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1answer
151 views

vb.net arcobjects determine 'create features' on which layer

When I create new feature in editing session, I need to determine the new created feature is in which layer because after that have further more action on the layer. I wonder can this be done in ...
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2answers
125 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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1answer
318 views

Difference between 'point' and 'WKSpoint' in ArcGIS

I have to add 3-D points to make a polygon in ArcGIS using VB.NET. I have defined an IpointCollection and want to add points to this. I have options to add 'point' or 'pointcollection' or 'WKSpointz'. ...
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1answer
274 views

ArcGIS 10 export metadata to XML programmatically

I have some code that exports metadata from an iMetadata instance to a standalone XML file. This code uses the ExportXML type and the iMetadataExport interface (see below). Private Sub ...
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1answer
52 views

Hardwire definition query on layers in mxd VB.net

I am creating a tool that applies definition query to certain layers of the mxd. The user clicks the button and it should hardwire the definition query into the layer. This is useful if there are many ...
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1answer
55 views

Split by attributes with 2 fields

I am using SplitLayerByAttributes toolbox. It’s a very useful tool for me to process certain activities. As you know, I can split the feature class as per 1 field. What if I want to split the features ...
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1answer
120 views

vb.net arcobjects - show fieldname

I try to show the field names (alias names) of a feature class. I found code snippet but I don't succeed to get it to run :( Can somebody tell me please what is wrong in the code? (System: Arcgis ...
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1answer
502 views

arcpy SearchCursor return a OBJECTID value not as an integer

I use summary statistics GP tool to extract the max OBJECTID from a feature layer. After that I use arcpy SerachCursor to get the OBJECTID value from the statistics, but the result returned is not an ...
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1answer
431 views

How to create a transparent buffer of a polyline?

I use vb.net arcobjects create a buffer around a polyline feature once it is selected. The problem is the buffer has a obvious colour. Since I have other functions on the selected feature, I cannot ...
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2answers
2k views

Find centroids of polyline and create point using Arcobject [closed]

I have one road feature class and one area feature class .What i have to do is i have to create a point at the centroids of the polylines of (road feature class) and find intersection of point with ...
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1answer
85 views

Divide a Square to a serval equal squares using Acrgis [closed]

hi i'm looking for an algorithm to split a square to a SEVERAL equal squares: i have only : x min , y min x max , y max please see picture (not valid picture only to describe problem): any ...
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1answer
97 views

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
200 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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1answer
100 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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1answer
334 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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1answer
65 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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1answer
64 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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1answer
161 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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2answers
212 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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2answers
138 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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1answer
165 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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1answer
92 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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1answer
682 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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2answers
190 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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1answer
5k 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
320 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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1answer
189 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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1answer
167 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
117 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
391 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
1k 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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1answer
298 views

Modifying “value” field of raster attribute table using ArcObjects? [closed]

Can I modify the values of the "Value" field of a raster attribute table using ArcObjects, and if yes how?
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0answers
53 views

Deleting redundant vertex in polygon feature using arcmap 9.3 with VB.net?

I am using Arcgis 9.3. I have polygon feature file. In the file some of the features have a redundant vertex which I need to delete. I wrote a tool using vb.net for deleting such redundant vertex, but ...
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0answers
54 views

Maplex labeling don't work?

I have a problem with the application of Maplex label, I use arcobjects with VB.net This is code, gives no error but it appears just standard labels. Public Sub Show_MaplexLabel(ByVal ...
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0answers
95 views

VB.net Converting UTM to Lat/Lon (State Plane with WKID) - ArcGis

I have looked at many libraries. Many simply don't work, others are very poorly documented. I have a very long list of X/Y coordinates (US FT) and an associated WKID. I am trying to convert that to ...
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0answers
38 views

Finding nearest point on polygon if layer has more than one polygon using ArcMap AddIn?

I am developing an application using ArcGIS .net add-in. An application generates some maps based on point and polygon datasets. In that, I am able to find the polygons within the search distance. ...
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1answer
49 views

Finding whether point on polygon or not in ArcGIS VB.NET?

I am working on GIS application. I am trying to find whether a point is located within a polygon or not. I have written a piece of code for this using Relational operator but the Contains() method of ...
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1answer
116 views

how to write expression with vb.net in mapwingis (ShapefileCategory.Expression)

I would like to give color to the map with new category. to make must make previous expression. I've tried but still failed. What is wrong ? Please help me. Dim category As ...
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1answer
47 views

How to use an array for buffer

I want to to use an array to create 3 buffer files with different buffer distances. The code should produce 3 buffer files in one step. Additionally, the code below runs already after using an ArcGIS ...
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1answer
183 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, ...