此程序是利用MFC界面实现两个文件类型的相互转换，一个是常用的三维模型文件off类型，一个为tm类型，此程序可以帮助实现相互转换。-This program is the use of MFC interface to realize mutual transformation, two file type is a commonly used types of 3 d model file off a for tm types, this program can help to realize