March 2020
.NET 5: Merging .NET Core and .NET Standard with New Target Framework Monikers (TFMs)
Wait, before we begin, what is a Target Framework Monitor… ahem, sorry, Moniker, not Monitor, I mean, what is... read more
C#: Why You Should Prefer the is Keyword Over the == Operator
In the previous blog post you learned about different ways to do a null check. The traditional way is... read more
C#: Different ways to Check for Null
What is the classic way to check if for example a parameter value is null? If you’ve developed with... read more
C#: The Order of Interfaces Is Important for Casting Performance
Recently there was a discussion in a Pull Request for the .NET runtime on GitHub. In the discussion it... read more
February 2020
TypeScript: ECMAScript Private Fields for Hard Privacy in Classes
This month on February 20th, Microsoft announced the final release of TypeScript 3.8. It has a bunch of new... read more
Calling WinUI from Blazor App Hosted in WebView2
In the previous blog post you learned how you can use JavaScript Interop to call from your WinUI application... read more
Hosting a Blazor App in WinUI 3 with WebView2 and call a Blazor Component Method from WinUI
WinUI 3.0 is Microsoft’s upcoming UI framework to build modern, native Windows applications. WinUI is developed open source on... read more
Initializing Web Components in Blazor via JS Interop
This blog post shows how to use a simple JavaScript web component in a Blazor app. The web component... read more
April 2019
Calling Windows 10 APIs From Your WPF Application
Did you know that you can call Windows 10 WinRT APIs from your WPF and WinForms apps? In this... read more
.NET Core 3: Use UWP Controls in WPF with XAML Islands
In this blog post, you will learn how to use XAML Islands to host the UWP MapControl in a... read more
The Git Stash Functionality in Visual Studio 2019
If you have looked already at the Changes page of Team Explorer in Visual Studio 2019, you might have... read more
Why You Should Prefer a Single Line for C# Properties
When you write simple properties in C#, like auto properties or readonly properties that have an expression body, always... read more
Using Git in Visual Studio has never been easier than in Visual Studio 2019
Visual Studio 2019 has many fantastic new features. Some of these features like the new start window make the... read more
March 2019
You Don’t Have to Start as a Kid to Become a Professional Software Developer
Quite often professional software developers ( professional = those earning their living with a job where they write code) say... read more
Thanks Dad!
You might have noticed that it was very quiet on this blog during the last months, nearly for a... read more
May 2018
Building LOB Applications with UWP: How Microsoft ROCKED IT at Build
My daily work is building LOB applications for enterprises and creating Azure-based backends. Since 2006 (more…) read more
March 2018
Playground: UWP’s new TreeView, Data Binding and HierarchicalDataTemplates
In the latest Windows 10 SDK preview build (17110, get it here) there’s a TreeView control available. You can... read more
September 2017
BASTA! Sessions about LoB with UWP and Source Control with Git!
Hi developer, this week I had two sessions at the leading independent conference in the German-speaking area for Microsoft technologies,... read more
August 2017
Building an Enterprise App with WPF, MVVM, and Entity Framework
After you’ve started to build your first enterprise app with WPF, MVVM, and Entity Framework, some questions like these... read more
June 2017
TypeScript Tutorial in German on “Entwickler Tutorials”-Website
After I’ve finished my book about TypeScript I decided to create a video tutorial in German about the JavaScript... read more
March 2017
Building a Classic Tabbed and Databound Desktop Application with UWP and MVVM
What kind of business applications do you build? Do they have a tabbed user interface? Most of mine do... read more
February 2017
Lessons learned from Building a Visual Studio Shell with UWP
Note: There’s a MS Dev Show Episode where @ytechie, @carlschweitzer and I are talking about UWP and the Visual... read more
How to Test Code that Uses Singletons like Application.Current.Dispatcher?
Got a question this morning from a student of my course WPF and MVVM: Test Driven Development. Hey Thomas, how... read more
December 2016
How Do You Create Files Without File Extensions like .gitconfig in Windows Explorer?
Today I worked with a friend on a small project and he wanted to add a .gitconfig-file. He created... read more
November 2016
Hey, I’m the first time in Seattle, what are your recommendations?
When I travelled to Seattle for my very first MVP Summit in 2013, I planned an extra day to... read more