shikaku https://blog.hatena.ne.jp/shikaku/ shikaku's blog https://blog.systemjp.net/ 読み CFile f; CString writeData=""; if ( f.Open("test.txt",CFile::modeRead) == TRUE) { unsigned int flen = (unsigned int)f.GetLength(); unsigned char *data = (unsigned char *)malloc(flen+1); if ( data != NULL ) { f.Read(data,flen); data[flen] = 0; writeData = data; free(data); f.Close(); } } 書き CFile … 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.systemjp.net%2Fentry%2F2022%2F02%2F28%2F110207" title="CFileを使ったファイルの一発読み書き - 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 2022-02-28 11:02:07 rich https://blog.systemjp.net/entry/2022/02/28/110207 1.0 100%