代码调试技巧

把下面的代码加到出问题的语句后，因下面的每句语句要点确定才会执行下一步，这样就可以单步执行了，
MsgBox(0,"","1")
MsgBox(0,"","2")
MsgBox(0,"","3")
MsgBox(0,"","4")
MsgBox(0,"","5")
MsgBox(0,"","6")
MsgBox(0,"","7")