private string CreateSourceName() { StackTrace st = new StackTrace(this, fNeedFileInfo: false); if (st.FrameCount > 0) { StackFrame sf = st.GetFrame(0); MethodBase method = sf.GetMethod(); Module module = method.Module; RuntimeModule rtModule = module as RuntimeModule; if (rtModule == null) { System.Reflection.Emit.ModuleBuilder moduleBuilder = module as System.Reflection.Emit.ModuleBuilder; if (moduleBuilder != null) { rtModule = moduleBuilder.InternalModule; } else { throw new ArgumentException(SR.Argument_MustBeRuntimeReflectionObject); } } return(rtModule.GetRuntimeAssembly().GetSimpleName()); } return(null); }