替代gasembly.ReflectionOnlyload（）和ReflectionOnlyLoadFrom（）？

发布于 2025-02-10 08:47:16 字数 548 浏览 1 评论 0 原文

我正在将.NET 4.X应用程序迁移到.NET 6，但是上述方法现在已弃用，如果调用了例外情况。有什么选择？

这是代码，该代码将通过一个汇编文件名列表，并加载任何在assemblynfo.cs中具有特定汇编级属性的组件：

AppDomain.CurrentDomain.ReflectionOnlyAssemblyResolve +=
    (s, e) => Assembly.ReflectionOnlyLoad(e.Name);

foreach (var assemblyFile in assemblyFilenames)
{
    var reflectionOnlyAssembly = Assembly.ReflectionOnlyLoadFrom(assemblyFile);
    if (FoundOurCustomAttr(reflectionOnlyAssembly))
    {
        var assembly = Assembly.LoadFrom(assemblyFile);
        ProcessAssembly(assembly);
    }
}

原文

I'm migrating a .Net 4.x application to .Net 6, but the above methods are now deprecated and throw an exception if called. What are the alternatives?

This is the code, which gets passed a list of assembly filenames, and loads any assemblies found to have a certain assembly-level attribute in AssemblyInfo.cs:

AppDomain.CurrentDomain.ReflectionOnlyAssemblyResolve +=
    (s, e) => Assembly.ReflectionOnlyLoad(e.Name);

foreach (var assemblyFile in assemblyFilenames)
{
    var reflectionOnlyAssembly = Assembly.ReflectionOnlyLoadFrom(assemblyFile);
    if (FoundOurCustomAttr(reflectionOnlyAssembly))
    {
        var assembly = Assembly.LoadFrom(assemblyFile);
        ProcessAssembly(assembly);
    }
}

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影子是时光的心 2025-02-17 08:47:16

另一种选择是使用软件包。

var paths = new List<string>(Directory.GetFiles(RuntimeEnvironment.GetRuntimeDirectory(), "*.dll"));
paths.AddRange(assemblyFilenames);

var resolver = new PathAssemblyResolver(paths);
var ctx = new MetadataLoadContext(resolver);
foreach (var assemblyFile in assemblyFilenames)
{
    var assembly = ctx.LoadFromAssemblyPath(assemblyFile);
    foreach(var a in assembly.CustomAttributes)
        // a.AttributeType
}

An alternative is using MetadataLoadContext package.

var paths = new List<string>(Directory.GetFiles(RuntimeEnvironment.GetRuntimeDirectory(), "*.dll"));
paths.AddRange(assemblyFilenames);

var resolver = new PathAssemblyResolver(paths);
var ctx = new MetadataLoadContext(resolver);
foreach (var assemblyFile in assemblyFilenames)
{
    var assembly = ctx.LoadFromAssemblyPath(assemblyFile);
    foreach(var a in assembly.CustomAttributes)
        // a.AttributeType
}

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