Visual Basic Blog

A group blog from members of the VB team

When using LINQ to XML why don’t I get results if I don’t import a XML namespace (Daniel Walzenbach)?

April 29, 2009 Apr 29, 2009 04/29/09

VBTeam

Hi,I posted a bit of code the other day which I used to get a list of all Code Snippets we ship in Visual Studio. In a nutshell, I used XElement.Load to create a new XML document from a filename from which I then read elements from (There are way to many ‘”from” in this sentence ;-) ). Unfortunately, I forgot to import the ...

Luca Bolognese on Asynchronous HTML caching in VB.NET (Lisa Feigenbaum)

April 29, 2009 Apr 29, 2009 04/29/09

Lisa Feigenbaum

You may know Luca Bolognese from his well-known work on C# LINQ. Luca is now the Group Program Manager for VB.NET, C#, and F#. You can check out his blog here. Luca recently blogged his first VB.NET post. It is about asynchronous HTML caching, and is part of a longer series in which he is converting a financial VBA Excel add-in to .NET. The ...

How to get a list of all files of a directory (subdirectories included) (Daniel Walzenbach)?

April 23, 2009 Apr 23, 2009 04/23/09

VBTeam

I needed to create a list of all Code Snippets we ship in Visual Studio the other day containing their title, description and path on disc and size. As you might know, Code Snippets are stored in multiple directories below "%ProgramFiles%Microsoft Visual Studio 10.0" so I had to traverse all the subdirectories of the aforementioned path to ...

Two free e-books available till April 22th to celebrate MS Press’s 25th b-day (Daniel Walzenbach)

April 16, 2009 Apr 16, 2009 04/16/09

VBTeam

2009 is the 25th anniversary of Microsoft Press! To celebrate their b-bay they’re giving away two free e-books, namely (image) (image) Before opening one of the links make sure that you disable your Pop-Up blocker as the window containing the book will be opened in a new window. Additionally, when the new window gets opened give it ...

Negative delays: not in VB (Lucian Wischik)

April 6, 2009 Apr 6, 2009 04/6/09

VBTeam

Our recent post on "negative sleeps in VB" was an April Fool's joke. VB doesn't have negative sleeps, and isn't going to. But the joke's on me! Several readers wrote back to say that other languages do have negative sleeps. Tony Hoare, inventor of "Quicksort" amongst other things, wrote: Did you know that negative delays have long been ...

Using "negative sleeps" to improve responsiveness in VB web apps

April 1, 2009 Apr 1, 2009 04/1/09

VBTeam

[NOTE: please also read the followup to this article] .NET 4.0 will introduce many new threading and concurrency classes -- SpinLock, Parallel Linq, and ConcurrentDictionary to name but a few.The new feature that excites me the most is the ability to pass a negative argument to Thread.Sleep. This article describes how...

CodeCast Episode 12: Visual Basic and the VB Community (Lisa Feigenbaum, Dustin Campbell)

March 29, 2009 Mar 29, 2009 03/29/09

Lisa Feigenbaum

Be sure to check out the latest episode of CodeCast with two VB interviews, including myself and VB program manager Dustin Campbell!Thursday, February 19, 2009 CodeCast Episode 12: Visual Basic and the VB CommunityIn this episode of CodeCast, Ken Levy, Markus Egger, and Gary Short discuss Internet Explorer 8, Windows 7 beta, Kindle and Sony...

Implicit Line Continuation in VB 10 (Tyler Whitney)

March 27, 2009 Mar 27, 2009 03/27/09

VBTeam

Things are always changing. I was at the Washington State History Museum with my daughter a couple weeks ago. One of the exhibits features pictures of various sites that were taken many years ago. Then it contrasts them with contemporary pictures taken of the same locations. It was really interesting how much things ...

Composite Application Guidance for WPF and Silverlight: VB QuickStarts, Hands-On-Labs, and How-To Topics released! (Lisa Feigenbaum)

March 25, 2009 Mar 25, 2009 03/25/09

Lisa Feigenbaum

Today the Microsoft Patterns & Practices team released a download aimed to help Visual Basic developers use the Composite Application Library. It includes VB versions of the QuickStarts, Hands-On-Labs, and How-To topics: http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=537da1cd-43e1-4799-88e7-a1da9166fb46 I've ...

MIX 09 Video: Making XML Really, Really Easy with Microsoft Visual Basic (Alex Turner, Lisa Feigenbaum)

March 19, 2009 Mar 19, 2009 03/19/09

Lisa Feigenbaum

Alex Turner presented VB XML yesterday here at MIX 09. Check out the video from his session! Video link: https://channel9.msdn.com/events/mix(The powerpoint slides are attached.) Making XML Really, Really Easy with Microsoft Visual Basic 9 MIX09-T72M Wednesday March 18 |11:55 AM-12:15 PM | San Polo 3401 By: Alex Turner Tags: Languages See ...

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