如何在 Visual Studio 2022 年正确创建 C# WinUI 项目？

Question

我一直在尝试创建一个新的 WinUI 项目。我按照 MS Docs page 准备了开发环境，并使用 Blank App, Packaged (WinUI 3 in Desktop) 模板创建了新项目。以下代码运行无任何异常。

<Window
    x:Class="App1.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:App1"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d">

    <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Center">
        <Button x:Name="myButton">Click Me</Button>
    </StackPanel>
</Window>

然而，在添加新的 BlankWindow1 window 并使用此代码打开它后，应用程序中断并出现 kernelbase.pdb not loaded 错误。我怀疑我在创建 project/setting up 开发环境时遗漏了一些东西，因为前段时间我一直在使用相同的代码而没有出现问题。但是做了几次我还是看不出有什么错误。

MainWindow.xaml

<Window
    x:Class="App1.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:App1"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d">

    <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Center">
        <Button x:Name="myButton" Click="myButton_Click">Click Me</Button>
    </StackPanel>
</Window>

MainWindow.xaml.cs

using Microsoft.UI.Xaml;
namespace App1
{

    public sealed partial class MainWindow : Window
    {
        public MainWindow()
        {
            this.InitializeComponent();
        }

        private void myButton_Click(object sender, RoutedEventArgs e)
        {
            BlankWindow1 window1 = new BlankWindow1();
            window1.Activate();
        }
    }
}

App1.csproj

<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <OutputType>WinExe</OutputType>
    <TargetFramework>net6.0-windows10.0.19041.0</TargetFramework>
    <TargetPlatformMinVersion>10.0.17763.0</TargetPlatformMinVersion>
    <RootNamespace>App1</RootNamespace>
    <ApplicationManifest>app.manifest</ApplicationManifest>
    <Platforms>x86;x64;arm64</Platforms>
    <RuntimeIdentifiers>win10-x86;win10-x64;win10-arm64</RuntimeIdentifiers>
    <PublishProfile>win10-$(Platform).pubxml</PublishProfile>
    <UseWinUI>true</UseWinUI>
    <EnablePreviewMsixTooling>true</EnablePreviewMsixTooling>
  </PropertyGroup>
  <ItemGroup>
    <None Remove="BlankWindow1.xaml" />
  </ItemGroup>

  <ItemGroup>
    <Content Include="Assets\SplashScreen.scale-200.png" />
    <Content Include="Assets\LockScreenLogo.scale-200.png" />
    <Content Include="Assets\Square150x150Logo.scale-200.png" />
    <Content Include="Assets\Square44x44Logo.scale-200.png" />
    <Content Include="Assets\Square44x44Logo.targetsize-24_altform-unplated.png" />
    <Content Include="Assets\StoreLogo.png" />
    <Content Include="Assets\Wide310x150Logo.scale-200.png" />
  </ItemGroup>

  <ItemGroup>
    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.0.0" />
    <PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.22000.194" />
    <Manifest Include="$(ApplicationManifest)" />
  </ItemGroup>

  <!-- Defining the "Msix" ProjectCapability here allows the Single-project MSIX Packaging
       Tools extension to be activated for this project even if the Windows App SDK Nuget
       package has not yet been restored -->
  <ItemGroup Condition="'$(DisableMsixProjectCapabilityAddedByProject)'!='true' and '$(EnablePreviewMsixTooling)'=='true'">
    <ProjectCapability Include="Msix" />
  </ItemGroup>
  <ItemGroup>
    <Page Update="BlankWindow1.xaml">
      <Generator>MSBuild:Compile</Generator>
    </Page>
  </ItemGroup>
</Project>

Answer 1

看来您目前无法在 WinUi3 中创建多个 window，请参阅 here and here。提到在 Windows App SDK 的预览版中是可能的。

如何在 Visual Studio 2022 年正确创建 C# WinUI 项目？

How to properly create a C# WinUI project in Visual Studio 2022?

c#

visual-studio

winui-3

visual-studio-2022

windows-app-sdk