Run a method before all methods of a class

Question

Is it possible to do that in C# 3 or 4? Maybe with some reflection?

class Magic
{

    [RunBeforeAll]
    public void BaseMethod()
    {
    }

    //runs BaseMethod before being executed
    public void Method1()
    {
    }

    //runs BaseMethod before being executed
    public void Method2()
    {
    }
}

EDIT

There is an alternate solution for this, make Magic a singleton and put your code on the getter of the static instance. That's what I did:

public class Magic
{

    private static Magic magic = new Magic();
    public static Magic Instance
    {
        get
        {
            magic.BaseMethod();
            return magic;
        }
    }

    public void BaseMethod()
    {
    }

    //runs BaseMethod before being executed
    public void Method1()
    {
    }

    //runs BaseMethod before being executed
    public void Method2()
    {
    }
}

Answer 1

You can't do this automatically in C# - you should probably be looking at AOP, e.g. with PostSharp.