| | Class | Description |
|---|
 | Document | |
| Exception | Represents an exception. |
| Exception.ErrAlreadyProcess | Handles the exception caused by already being in process. |
| Exception.ErrIncorrectFlateStream | Handles the exception caused by an incorrect (inflated or deflated) data stream. |
| Exception.ErrIncorrectFontData | Handles the exception caused by incorrect font data. |
| Exception.ErrNotTrueTypeFont | |
| Exception.ErrOwnerPassword | Handles the exception caused by password null or over length |
| Exception.ErrSamePassword | |
| Exception.ErrUnrecognizedImageFormat | Handles the exception caused by an unrecognized image format. |
| Exception.ErrUserPassword | Handles the exception caused by password null or over length |
| PdfSecurity | Encapsulates the information necessary to provide PDF document security and encryption. |
| Reader | |
| StreamUtilWithExtensions | |
| Writer | |
