| AddPdfPages(Byte, String, String) | Adds the pages of a PDF from a memory buffer selected by page ranges, in the order of the ranges |
| AddPdfPages(String, String, String) | Adds the pages of a PDF from a file selected by page ranges, in the order of the ranges |
| AddPdfPages(Byte, Int32, Int32, String) | Adds a range of pages of a PDF from a memory buffer |
| AddPdfPages(String, Int32, Int32, String) | Adds a range of pages of a PDF from a file |