Therefore API > API Reference > Classes > TheDocument > Methods
AddStreamsEx
Adds one or more files to the document. The files are converted into the desired format first.
Name
Description
AddStreamsEx(TheStringList, string, TheConversionOptions)
Adds one or more files to the document. The files are converted into the desired format and copied into the compound file.
AddStreamsEx(TheStringList, string, TheConversionOptions, bool)
Please check the help pages of the various overloads for the exact syntax in Visual Basic and C#.