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....IFontFallBackRulesCo rulesList = new FontFallBackRulesCol (); // 创建若干规则...add ( new FontFallBackRule ( 0x400 , 0x4FF , "Times New Roman"...