.NET Core 3.1 Preview 2: Managed C++ and related Updates

Alex Alex 07 November 2019
.NET Core 3.1 Preview 2: Managed C++ and related Updates

The biggest improvement of the second Preview .NET Core 3.1, the support of C++ as a „Managed C++“ the. The Preview contains bug fixes for Blazor. Alongside improvements for ASP.NET Core have been published, Blazor WebAssembly receives an Update.

The second Preview of .NET Core 3.1 has been released. The biggest improvement is the support of C++/CLI is also known as the „Managed C++“. This change relates to Visual Studio: the Update to the Visual Studio Templates will be added. To use the new features must be installed in Visual Studio, the „Desktop environment with C++“ and the C++/CLI – support to be enabled.

The Release of the Preview 2 of .NET Core 3.1 also includes changes to Blazor and should bring when you Create web applications with C# and HTML in this Framework improvements. The Preview 2 of .NET Core 3.1 can be downloaded now – for Windows, macOS and Linux.

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.NET Core 3.1: final Release with LTS in December 2019

For .NET Core 3.1 Preview 2 the Software Development Kit (SDK) and Runtime are now available for Download, separately, the Docker Images. All the necessary programming tools and program libraries included in the SDK. The final Release of .NET Core 3.1, with long-term support (LTS) is expected in December 2019.

The original messages to the current Preview 2 Release, as well as the accompanying Updates were released to the DevBlogs: you can on the Microsoft .NET Blog and on the ASP.NET Blog be seen.

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as a Supplementary Update of ASP.NET Core

ASP.NET Core released the same time as the Release of the .NET Core 3.1 Preview 2 Update. It brings new AIDS for the Tags of the Blazor-components and the possibility of Default actions for events in Blazor-Apps to prevent. In addition, it stops the Transfer and sharing of Events. The Release Notes with all of the Details are on GitHub can be viewed.

Blazor applications .NET Core 3.1 in Visual Studio, develop

with .NET Core 3.1 Blazor-develop applications, you have to rely basically on Visual Studio 2019 16.4 as a development environment. Because Visual Studio 2019 16.4 automatically the .NET Core 3.1 Preview 2 installed, are done both installations in a single step. In Visual Studio under Windows you should first install the latest Preview of Visual Studio 2019 16.4. With ASP.NET Core in is the .NET Core 3.1 Preview 2 work, one must in addition, the Software Development Kit (SDK) the .NET Core 3.1 Preview 2 install.

also read: "A first step in the direction of the programming of Single-Page Web Applications with .NET and C#!“

Update for Blazor WebAssembly

accompanied by the Release of .NET Core 3.1 Preview 2 there is also an Update for Blazor WebAssembly, an application to Create interactive client-side Web Apps .NET. Blazor WebAssembly works in all modern web browsers, even mobile, as it uses open web standards. The following command will install the latest Template by Blazor WebAssembly:

dotnet new i Microsoft.AspNetCore.Blazor.Templates::3.1.0-preview2.19528.8

All further Details to the ASP.NET Core – Update and its use are in the ASP.NET-Blog with Screenshots as a Tutorial to run.

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Source: entwickler.de

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