2020年12月17日 — MSDN上说到: CFile::modeNoTruncate Combine this value with modeCreate. If the file being created already exists, it is not truncated to 0 ...
2022年11月30日 — Creates a new file if no file exists. If the file already exists, it's overwritten and initially set to zero length. CFile::modeNoTruncate ...
2020年5月7日 — Open(pParam->str,CFile::modeWrite|CFile::modeCreate| CFile::modeNoTruncate ); ... This flag maps to CFile::shareExclusivewhen used in CFile::Open.