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Showing content from https://github.com/pamidur/aspect-injector below:

pamidur/aspect-injector: AOP framework for .NET (c#, vb, etc)

I have never asked for any donations, but today, I ask you, please, consider donating Ukrainian Army. You can find official ways to do it here or you can donate to the biggest charity organization here People need to be alive to create open source projects! Aspect Injector

Aspect Injector is an attribute-based framework for creating and injecting aspects into your .net assemblies.

> dotnet add package AspectInjector

Compile-time injection - works with Blazor and AOT
Injecting Before, After and Around (wrap) Methods, Constructors, Properties and Events
Injecting Interface implementations
Supports any project that can reference netstandard2.0 libraries, see here
Debugging support
Roslyn analyzers for your convenience (only c# currently)
Can work DI/IoC frameworks #166

Check out samples and docs

(semi-optional) Nuget 5.0+ for transient build feature. All modern versions of VS and dotnetsdk have it. (If you still use project.json for some reason - make sure you add AspectInjector to all projects in the solution)
(optional) For analyzers to work in VSCode, don't forget to enable "omnisharp.enableRoslynAnalyzers": true

Known Issues / Limitations

Unsafe methods are not supported and are silently ignored.

Create an aspect with simple advice:

[Aspect(Scope.Global)]
[Injection(typeof(LogCall))]
public class LogCall : Attribute
{
    [Advice(Kind.Before)] // you can have also After (async-aware), and Around(Wrap/Instead) kinds
    public void LogEnter([Argument(Source.Name)] string name)
    {
        Console.WriteLine($"Calling '{name}' method...");   //you can debug it	
    }
}

[LogCall]
public void Calculate() 
{ 
    Console.WriteLine("Calculated");
}

Calculate();

$ dotnet run
Calling 'Calculate' method...
Calculated

Create an aspect with mixin:

public interface IInitializable
{
    void Init();
}

[Aspect(Scope.PerInstance)]
[Injection(typeof(Initializable))]
[Mixin(typeof(IInitializable))]
public class Initializable : IInitializable, Attribute
{
    public void Init()
    {
        Console.WriteLine("Initialized!");
    }
}

[Initializable]
public class Target
{ 
}

var target = new Target() as IInitializable;
target.Init();

$ dotnet run
Initialized!

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