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....InvalidCastException をスローする 9135 xls Ole 数式オブジェクトが原因で読み取りエラーが発生する 9136...