Henry Hahn

We just released a very cool *FREE* tool - the SEO Toolkit - that lets you optimize your IIS-based website for search engine optimization (SEO.) If you're interested in making your website more relevant and making sure you're doing what you can to attract...

It hasn't been nearly as long as I thought but it's certainly been a while since I've posted. I helped out with one of the MIX09 keynote demos - the Silverlight 3 "Gratuitous Graphics" demo. Instead of keeping it tied up on my machine, I thought I'd share...

Traditionally, when you first get to the PDC and stop by the registration desk, you get a bag of all kinds of goodies, including a handful of CD's or DVD's that might contain relevant bits for attendees. This year, we're handing out the bits on a 160GB...

Just a quick cross-reference: If you register before Aug 15 for the PDC you'll receive $200 off . Register here .

Visual Studio and .NET Developers, along with their customers, got a nice treat today with the release of VS 2008 SP1 and .NET 3.5 SP1! You can get the laundry list of features and download it here but there's some work that I'm particularly excited about...

I've participated in several PDC's in the past, mostly as a speaker, but this year I'm helping to do some of the organization. Recently, I've been in a lot of meetings with Mike Swanson , a Technical Evangelist here at Microsoft. Mike is one of the key...

Save the date! http://msdn.microsoft.com/pdc .

Yahoo just released their Yahoo! Messenger for Vista . I haven't yet installed it but I do know that's its based on WPF. Check out some of the blog postings about it, below. http://eric.burke.name/dotnetmania/2007/12/06/0.05.32 http://blogs.msdn...

Get it here ! The WPF team is very excited about this release because we've been able to follow-up on a handful of issues we heard from you so soon after the release of our V1 in NET FX 3.0. Below, you'd find a quick summary of some of the work that you...

Rob Eisenberg recently posted that he was experiencing performance issues related to recent Windows auto updates that he received. The issue was caused by a .NET Framework security update on 7/10 . From the information I have it appears that a significant...

In the WPF ListBox and ListView, some form of virtualization takes place. The consequence is that loading (either app or the control itself) is faster since less work is done at the get go; additionally, it can help keep working set down. We didn't do...

The WPF performance tool WPFPerf is now available as a stand-alone download. Check it out: x86 and x64 !

Kiran has posted the latest and greatest version of his WPF Performance Whitepaper here . Check it out!

Tim Cahill, a developer on the WPF Performance Team, posted a great article on optimizing 3D collections in WPF . Check it out!

Check it out: http://www.microsoft.com/downloads/details.aspx?FamilyId=19E21845-F5E3-4387-95FF-66788825C1AF&displaylang=en

In this post, I’m going to talk about two key API’s for performance in WPF. These are RenderCapability.Tier and Storyboard.DesiredFrameRate. In this post, I’m going to show: How to leverage RenderCapability.Tier to scale your app up or down....

When you can, avoid using the ScrollBarVisibility value " Auto " for HorizontalScrollBarVisibility and/or VerticalScrollBarVisibility. These properties show up on ScrollViewer , TextBox , RichTextBox and ListBox (although, as an attached property on the...

I see a lot of WPF demos, repros, apps and so forth on a regular basis. Sometimes these apps will contain, for whatever reason, a large number of TextBoxes. Now, I have my opinions about whether or not UI looks good with that many TextBoxes but I have...

I am very excited that we shipped B2 !! Wahoo! Not only am I excited because I've been working on the product a long time but also because we made so much great performance improvements in WPF in B2 that everyone gets to see! Yes, there are still areas...

I got a question about WPF performance this morning regarding how the number of elements (controls, panels, et al.) affects performance. Before I share more broadly, I'll mention that the WPF Performance team is working on plans for more detailed &...

It's been a long while since I've posted to my blog. What have I been up to? Basically, since the PDC I've been working on WPF performance. We've been working on reducing CPU consumption, memory consumption and, in some case, GPU consumption. One of...

In one of my first posts ever I talked about doing custom scrolling using the IScrollInfo interface. Well, Ben Constable, another Microsoftie, beat me to it:) Check it out here .

While we're still tuning the platform, there are tips & tricks that you can use to optimize your WPF application's performance. Where can you find these? Check out the performance whitepaper that Kiran has put together. As we go, we'll update and...

I got a question about this while I was at the PDC. I see they're now posted on MSDN.

I just got back into Seattle last night. I'll get my samples posted as soon as have some free time.