Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....the file stream to free all resources fstream . Close (); 複数の行の挿入...the file stream to free all resources fstream . Close (); 行の削除 開発者は、Cellsコレクションの...