shikaku https://blog.hatena.ne.jp/shikaku/ shikaku's blog https://blog.systemjp.net/ vc 普通に読むとsjis前提になっちゃう。UTF-8 CString line; FILE *fp; _tfopen_s(&fp,_T("C:\\utf8.txt"), _T("r, ccs=UTF-8")) CStdioFile file(fp); while (file.ReadString(line)) { AfxMessageBox(line); } file.Close(); ネタ元 https://faithandbrave.hateblo.jp/entry/20080724/1216890457 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.systemjp.net%2Fentry%2F2019%2F06%2F05%2F204320" title="MFCでUTF-8/UTF-16のファイル読込・保存 - shikaku&#39;s blog" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2019-06-05 20:43:20 rich https://blog.systemjp.net/entry/2019/06/05/204320 1.0 100%