Saturday, October 20, 2018

Using the Rapid XAML Toolkit for Accelerating WPF Development (Preview)

Last week, I published an article on my UWP Tips blog about the Rapid XAML Toolkit.

The toolkit is for all types of XAML development, including UWP apps, Xamarin.Forms, and WPF. The toolkit is still in an early preview stage, so you will be doing a little bit of work to get up and running at first. For all the details, read my post and get started today!

Happy coding! Tags: ,,

Thursday, August 9, 2018

Can I Port My Windows Desktop Application to .NET Core? Find Out and Prepare Today!

Did you know that soon you will be able to build and run your WPF (and UWP & WinForms) applications against .NET Core?

Desktop Packs

At the Microsoft Build conference in May, it was announced that the .NET team was working on some Windows-only "Desktop Packs" that could be installed on top of .NET Core v3.0. These packs would include:

  • WPF
  • WinForms
  • UWP
  • Entity Framework v6

This will bring the benefits of .NET Core to desktop client applications running on Windows. In my opinion, the biggest benefits of porting your desktop app to .NET Core will be significant performance gains and full access to Windows 10 APIs.

Obviously, in most cases, it won't be as simple as changing a project property and rebuilding your app. Project files will need to be upgraded to .NET Core format, and some legacy APIs will not be available, even in the Desktop Pack packages. This week, it has become more clear exactly which APIs will not be available in .NET Core 3.0 with Desktop Packs.

Portability Analyzer

On Wednesday, the .NET team released a Portability Analyzer tool to scan your .NET desktop applications and determine how ready they are to upgrade to .NET Core 3.0. The tool will scan your .NET binaries and dependencies and produce an Excel report (PortabilityReport.xlsx) with several tabs:

Portability Summary - This sheet contains a list of the assemblies scanned, their current .NET version target, and the % compatibility they are expected to have with .NET Core 3.0.

Details - This sheet provides details on exactly which target type and member are currently used by one of your assemblies that is not compatible with .NET Core 3.0. There is a column for Recommended Changes, but none of my incompatibilities had any recommendations.

Missing assemblies - If your assemblies reference any other assemblies which could not be resolved by the tool, they will be listed here.

My Thoughts

I ran the tool on a large application with a mix of WinForms and WPF windows. The folder contains over 900 DLLs. My thoughts:

First, I was pleasantly surprised at how fast the tool ran its analysis. It completed scanning this large application in less than a minute. I was expecting to go get a cup of coffee and a snack while it ran.

Second, the team has really included a lot of desktop APIs in these packs. I was not expecting so many of my DLLs to report at 100% compatible.

Third, many of the incompatible APIs are somewhat expected. Here are a few that came back in the report here:

  • Microsoft.VisualBasic.* - If you have VB apps, and use APIs in this namespace, expect a lot of lines to appear in your report.
  • System.Drawing.Design.* and System.Drawing.ImageConverter - Much of the System.Drawing namespaces was ported to .NET Core, but not everything. If you're doing anything advanced or uncommon, you'll probably find some issues here.
  • Things that are less common in modern development like System.Xml.XmlDataDocument, System.Runtime.Remoting.Messaging, and System.Activator.GetObject.

Console Tool

If you would prefer to run the analyzer against several applications and product individual reports for each, you can use a console analyzer with a batch file or PowerShell script instead. That version is available here, and instructions for using it are in the .NET team's post about the Portability Analyzer.


Go get your app ready for .NET Core 3.0 today! Your users will thank you later.

Tuesday, May 29, 2018

TechBash 2018 Early Bird Tickets Now Available!

4-day (with Workshop) and 3-day early bird tickets are now on sale for TechBash 2018. This year TechBash will be held October 2-5, with the 2nd being a pre-conference day of full-day workshops for 4-day ticket holders only. These workshops will be presented by top experts in each area. The topics from which to choose are ASP.NET Core 2.1, DevOps, Docker and Azure for Developers. Get more workshop info here.

Early bird tickets will save up to 25% off the Standard ticket price this year. Don't wait because these prices will only be available for a few weeks and space in each workshop is limited. This year's keynote presenter is Scott Hunter, leader of the Visual Studio and .NET Teams at Microsoft, and these other speakers have already been confirmed:

  • Jeremy Likness
  • Jessica Deen
  • Richard Taylor
  • Jeremy Clark
  • Anna Bateman
  • Brendan Enrick
  • John Wright
  • Ashley Grant
  • Ivana Veliskova
  • Steve Bohlen
  • Angel Thomas
  • Jim Wooley
  • Walt Ritscher
  • Paul Hacker
  • Jeff Fritz
  • Mitch Denny
  • Anoop Kumar

The full lineup will be announced soon. Get more info about TechBash here and buy your tickets today!

See you this fall at the Kalahari Resort in the Poconos!