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Read more about the article What’s new about interfaces in 2021 Wave 1

What’s new about interfaces in 2021 Wave 1

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Microsoft Dynamics 365 Business Central 2021 Release Wave 1 is out (whoa, that was a mouthful) with some new perks for developers. Today, I had another live session at http://vjeko.live, and I made it both the first one in the series of What’s New for the latest release, as well as the episode four of Fun with Interfaces.

Interfaces are such an amazing feature in AL language, that was long missed, and that’s now saving my day nearly every time I do something with AL. The latest AL compiler (runtime “7.0”) comes with these new interesting features about interfaces:

  • You can mark interfaces for obsoletion.
  • You can mark individual interface functions for obsoletion.
  • You can return interfaces as return type from functions.
  • You can define UnknownValueImplementation for enums to specify the interface that represents any unknown enum values.

Let’s take a look at each one of those with examples.

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Read more about the article Resident control add-ins

Resident control add-ins

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One of the most common questions I get asked about Control Add-ins is whether you can make a control add-in be always present and able to respond to your calls from AL. In other words: can you have a resident control add-in that you can invoke from anywhere in your AL code.

I’ve done a lot about control add-ins. However, I’ve never done resident control add-ins for real; all I know about them is pure theory and then some playing I did at various points of time. Still, this is an interesting topic that I wanted to address some way or other.

So, yesterday I did a live session about it.

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Schedule for the period ahead

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Happy New Year everyone, with a little delay. I was busy in the first two weeks of this year preparing and delivering the “Leveraging Git” webinar. It turned out to be quite a success, but it also prevented me from doing my live session last Friday.

But this short break doesn’t mean I am not going to get busy with my blog and live blog again. This is what’s coming up.

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Read more about the article Fun with Interfaces: Testing

Fun with Interfaces: Testing

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Oh how much fun we had today on my live stream, it’s just amazing. First, all the viewers had fun of waiting for me to go live for nearly an hour, and then at some point I managed to unplug my reflector. Perks of live streaming 😁

First of all, I would like to – once again – apologize to everyone who waited for me to go live. I’ll explain in the end of this blog what really happened. For now, let’s go on-topic.

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Read more about the article Fun with Interfaces: Patterns

Fun with Interfaces: Patterns

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  • Reading time:5 mins read

Today I had my fifth live stream. The topic was interfaces, and this time I took a different angle at it: patterns. When I polled about live stream topics you’d like to hear about, most of you said “patterns”. So today’s stream covers several patterns and puts them in perspective of interfaces, or the opposite way around, however you like it.

The stream is available on my new http://vjeko.live/ page, and here it is if you hate clicking.

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