The following tables list the members exposed by ICallback.
| Name | Description | |
|---|---|---|
 | OnChar | Handles the event that occurs when a character is processed. |
| OnEnd | Handles the event that occurs at the end of the document parsing. |
| OnImage | Handles the event that occurs when an image is found. |
| OnInfo | Handles the event that occurs when the info tag is found. |
| OnKeyword | Handles the event that occurs when a keyword is found. |
| OnStart | Handles the event that occurs at the beginning of the document parsing. |