Rick Strahl's Web Log
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COM Object Access and dynamic in .NET Core 2.x
January 22, 2019 - Maui, Hawaii
I was surprised to find out that COM Interop works in .NET Core when running on Windows. It's possible to access COM components via Reflection easily enough in .NET Core 2.x. Unfortunately use of the `dynamic` keyword does not work in .NET Core 2.x so for the moment COM interop is limited to using Reflection.
Creating a .NET Global Tool from an existing Console Application
November 05, 2018 - Maui, Hawaii
.NET Core doesn't support creating executables directly, but it does have support for **Global Tools** which provide a mechanism to register a console application and make it easily accessible using a simple command line command rather than a complex `dotnet.exe` command.
Which .NET Core Runtime Download do you need?
June 05, 2018 - Hood River, Oregon
.NET Core has a number of different runtime downloads that you can grab to install. The combinations of downloads can be a bit confusing and it depends on whether you install a development or runtime environment. In this post I describe what each download contains and what you should use it for.
Getting the .NET Core Runtime Version in a Running Application
April 12, 2018 - Maui, Hawaii
Microsoft has a long history of not providing a reasonable way of looking up the version of the runtime that is hosting your applications. .NET Core is no different and in this short post I show one way you can capture a descriptive name of the runtime executing that's suitable for displaying in your application's info page.
Accessing Configuration in .NET Core Test Projects
February 18, 2018 - Maui, Hawaii
.NET Core provides a clean configuration system and in ASP.NET Core that code is automatically configured for you. In test and other non-Web projects however you have to manually configure the configuration provider yourself. In this post I look at a couple of ways to set up a configuration provider both using raw configuration objects or by explicitly configuring through the depedency injection system.
Distributing Content and Showing a ReadMe file in a .NET Core Nuget Package
January 29, 2018 - Maui, Hawaii
.NET SDK style projects no longer support packaging NuGet content into projects as older projects did. So if you need to ship some dependent content with your library you need to find a different way to do so. In this post I look at a specific example of library that requires additional content and look at how to distribute the extra content as well as displaying a readme file to link to instructions when the NuGet package installs
Easy Configuration Binding in ASP.NET Core - revisited
December 12, 2017 - Maui, Hawaii
In this post I'm taking another look at using strongly typed configuration settings in ASP.NET Core, using a slightly simpler approach that foregoes using IOptions
in favor of directly using a configuration object instance. In the process I review the various approaches as a summary for getting configuration settings into .NET types.
Working around the lack of dynamic DbProviderFactory loading in .NET Core
November 27, 2017 - Maui, Hawaii
.NET Core and .NET Standard are missing the DbProviderFactories class which is used to dynamically load ADO.NET DbProviderFactory instances which in turn are used to gain access to the various ADO.NET intrinsic objects generically without requiring an explicit reference to the data access provider. In this post I describe why this can be a problem for libraries that use multiple data providers and show a workaround for loading a DbProviderFactory without taking an explict dependency on the provider assembly.
.NET Core 2.0 and ASP.NET Core 2.0 are Here
October 22, 2017 - Maui, Hawaii
After a long wait .NET Core and ASP.NET Core 2.0 are finally here. This release is a major update from Version 1.0 that brings back a ton of functionality that was originally missing in .NET Core 1.x. With closer compatibility to full framework .NET it's much easier to port existing code to .NET Core, as having a much larger API surface to use in your applications. There are many usability improvements that make it easier to get started using considerable less fanfare. In this post I describe some of what's new and what's great and also a few things that are not so great.
Multi-Targeting and Porting a .NET Library to .NET Core 2.0
June 22, 2017 - Hood River, OR
I've been holding off porting any of my full frameworks to .NET Core. With the latest .NET Core 2.0 and .NET Standard 2.0 releases and their vastly larger footprints that match more closely with what we expect of the .NET Framework feature set, migrating looks a lot more appealing. In this post I describe the process of porting one of my general purpose full framework libraries to .NET Standard 2.0 and in the process also creating a multi-targeted project that compiles .NET 4.5, 4.0 and .NET Standard projects.
Upgrading to .NET Core 2.0 Preview
May 15, 2017 - Hood River, OR
With the release of the first preview of .NET Core 2 and ASP.NET Core 2.0 I decided to upgrade my AlbumViewer sample application to the latest bits and preview tools. Overall the experience was pretty smooth, but I ran into a couple of breaking changes and a few tooling snags that I'll describe in this post.
.NET Standard 2.0 - Making Sense of .NET Again
November 23, 2016 - Maui, Hawaii
It's taken awhile but it seems Microsoft is finally nailing the message for .NET going forward and .NET Standard with its common API specification is a huge part in making sure that the same base library of .NET is available on all .NET platforms. In this post I look at what .NET Standard is, how it works and what some of the surrounding issues and impacts are for the .NET Eco system.