Inside the Geodatabase : Developers

New Code Sample - The Error Checker

JonMurphy — Tue, 13 Oct 2009 23:45:00 GMT

James MacKay has submitted a NEW CODE SAMPLE to the ArcGIS Engine .NET Code Gallery called the Error Checker. This handy little snippet is a utility that takes an input decimal or hexadecimal error code and gives you a list of all potential enumeration...(read more)

'Programming with the Geodatabase API' demo theatre posted

JonMurphy — Thu, 30 Jul 2009 18:03:00 GMT

We’ve taken the slides, code, and data from the UC demo theatre “Programming with the Geodatabase API” and posted them up on the Engine Code Gallery. This includes: · The slides that were presented · Code showing how to query, edit and create data in...(read more)

New Code Gallery Download: Geodatabase Domain Tools

JonMurphy — Thu, 21 May 2009 18:14:00 GMT

A new sample has been added to the code gallery that shows how the Geodatabase API can be leveraged to provide greater control over domains than what is possible with ArcCatalog out-of-the-box. It contains a custom geodatabase property page, written in...(read more)

ExecuteSQL Command for ArcMap added to ArcGIS Desktop .NET Code Gallery

JonMurphy — Tue, 07 Apr 2009 18:18:00 GMT

During the Implementing Enterprise Applications with the Geodatabase presentation at the 2009 ESRI Developer Summit a couple weeks ago, we talked about a handy tool that can be added to ArcMap to send SQL to the connected database. This tool uses the...(read more)

Geodatabase Presentations from the 2009 Dev Summit

JonMurphy — Fri, 27 Mar 2009 20:27:00 GMT

This week ESRI hosted the annual Developer Summit down in Palm Springs. The geodatabase team was there to answer user’s questions, announce a few of the 9.4 projects that are in the works, and give several technical sessions. I’ve gathered the slides...(read more)

New Geodatabase SDK Article: “Common Geodatabase API Programming Mistakes”

brentardenpierce — Fri, 20 Mar 2009 22:53:00 GMT

We’ve added a new article to the Geodatabase SDK entitled “Common Geodatabase API Programming Mistakes”. It’s a list of mistakes we’ve seen a lot of users make and that will cause either unwanted behavior or a performance hit. This is going to be a living...(read more)

Application Developers Tuning Tip: Keeping Datasets Open

brentardenpierce — Fri, 30 Jan 2009 19:59:00 GMT

Opening a dataset such as a table or a feature class from a geodatabase can be an expensive operation. With this in mind, application developers should try to minimize the number of times they open datasets by following these patterns: Keep datasets from...(read more)

Using the ComReleaser to manage the lifetime of cursors in .NET

brentardenpierce — Thu, 18 Dec 2008 20:36:00 GMT

Geodatabase cursors should always be explicitly destroyed in a runtime environment that uses garbage collection. The rule of thumb is to always release a COM object as soon as the application is done using the reference. This is especially important with...(read more)

Object initializers and the Geodatabase API

JonMurphy — Fri, 07 Nov 2008 21:33:00 GMT

This post was provided by geodatabase product engineer James MacKay A new approach to initializing objects was introduced at .NET 3.0: object initializers . These allow objects to be instantiated and initialized in a single line, provided the class has...(read more)

List of Useful Developer Samples

JonMurphy — Mon, 27 Oct 2008 16:58:00 GMT

Last week I was in Palm Desert at the annual EGUG conference . While sitting in on a presentation I noticed that for a lot of the questions being asked, users were being directed to developer samples found online. I realized that while these samples are...(read more)

Three new How-To articles in Geodatabase SDK

brentardenpierce — Mon, 20 Oct 2008 15:50:00 GMT

For all geodatabase developers out there, we’ve added three new how-to articles to the online SDK: How to use edit sessions : The in’s and out’s of editing a geodatabase are explained in this article, and supported with several code examples. It includes...(read more)

.NET Team adds API Evaluator

brentardenpierce — Wed, 01 Oct 2008 21:00:00 GMT

A quick post today about a new tool that the .NET team developed. The API evaluator scans your .NET code and generates a complete set of API usage statistics. This is pretty cool if you want to see what APIs are being used most frequently in your applications....(read more)

Customizing Table Sorting in the Geodatabase

brentardenpierce — Tue, 19 Aug 2008 19:59:00 GMT

This post was written by James MacKay, a product engineer on the geodatabase team who also played the leading role in the "Programming with the geodatabase API" sessions at this years user conference. In ArcGIS there are a number of different ways a column...(read more)

Developer Tips - Using geodatabase methods with conformant array parameters in .NET and Java

jona4440 — Fri, 06 Jun 2008 20:19:00 GMT

This post was written by geodatabase Product Engineer James MacKay. James works on the geodatabase development team and is responsible for a lot of the geodatabase SDK that is generated. There are several methods in the Geodatabase API that use conformant...(read more)

Developer Tips - Qualified field names in ArcSDE

JonMurphy — Wed, 30 Apr 2008 19:13:00 GMT

This post was provided by geodatabase Product Engineer James MacKay. There are fourteen field names that cause fields to behave slightly different in ArcSDE. They are: AREA POINTS FID EMINX EMINY EMINZ MIN_MEASURE LEN NUMOFPTS ENTITY EMAXX EMAXY EMAXZ...(read more)