public static void MarkDebuggerStepThroughPoint(this ILCodeStream codeStream)
 {
     codeStream.DefineSequencePoint("", 0xF00F00);
 }
 public static void MarkDebuggerStepInPoint(this ILCodeStream codeStream)
 {
     codeStream.DefineSequencePoint("", 0xFEEFEE);
 }