Aspose::Words::MailMerging::MailMerge::get_UseNonMergeFields method. When True, specifies that in addition to MERGEFIELD fields, mail merge is performed into some other Types of fields and also into "{{fieldName}}" tags in C++....MailMerge::get_UseNonMergeFields method When true , specifies that in addition...is performed into some other types of fields and also into “{{fieldName}}”...