2002年9月1日 — Open() and now I want to delete everything in it, without deleting the file, in order to write something new in it. Is the only way to do this, ...
2021年8月2日 — Note that deleting the CFile object does not delete the physical file in the file system. See also. Files. Feedback. Submit and view feedback ...
2013年7月25日 — I am using MFC to write a measurement application. On the first run, I got my data written on first column and on to next row and next row.