Weaving made simple

WeaverIdeas.cs

public class WhatIWantToWrite
{
    public static void Main(string[] args)
    {
        System.Console.WriteLine("This I wrote");
    }
}

public class WhatIWantToGet
{
    public static void ProperMain(string[] args)
    {
        System.Console.WriteLine("This I wrote");
        System.Console.WriteLine("This I wove");
    }
}