Hello World with VS 17.4.4 DOT NET MAUI Note

kagula@2023-1-12

Prologue

            If you touched XAML, well here is a concise guide for you running the first MAUI project.

Content

System Requirement

【1】Microsoft Windows [Version 10.0.19044.2486] Chinese Language

【2】Visual Studio Community 2022 (Version 17.4.4) English Language

Installation

            You should install ‘.NET Multi-platform App UI development’ component first for MAUI project.

My First MAOI “Hello World” project

First Step: Create the first MAOI project

            [Create a new project] -> [.NET MAUI App] -> [Name the new project is ‘MauiAppHelloWorld’] -> [ Framework select .NET 7.0 (Standard Term Support)]

            After creating the new project, look around.

Second Step: Enable Developer Mode

           

Pic1 Open Setting Window

Pic2 Enable Developer Mode

Last Step: MS VS (Version 17.4.4) Run Problem

If you run the program have ‘The program '[23196] MauiAppHelloWorld.exe' has exited with code 2147942405 (0x80070005).’ Problem.

Solution:

Now go to the windows start menu, right-click the app you just build: More => Run as Admin.

The app will start and so will every other MAUI app from now on even when started within Visual Studio.

Reference

[1]

Supported platforms for .NET MAUI apps - .NET MAUI | Microsoft Learn

[2]

MAUI apps crash on launch on Windows after Visual Studio update - code 2147942405 (0x80070005) · Issue #12080 · dotnet/maui · GitHub