static void Main(string[] args) { var code = @" using System; namespace RoslynCompileSample { public class Writer { public void Write(string message) { Console.WriteLine(message); } } }"; var compiler = new DefaultCSharpMemoryCompiler(code); var assembly = compiler.Compile(); var obj = new ObjectWrapper(assembly, "RoslynCompileSample.Writer"); obj.Action("Write", "Hello World"); Console.ReadLine(); }