内含 2 个主要方法，分别可将宽字节字串转为多字节、及多字节字串转为宽字节。效率较高。适用于Delphi 2007或以下IDE辅助方法使用。(There are 2 main methods that can turn a wide byte string into a multi byte, and a multi byte string to a wide byte. The efficiency is high. It is applicable to Delphi 2007 or below IDE auxiliary methods.)