Occurs at the beginning of Run(string,int32,int32,string,string,object) and Preview.
The event handler receives an argument of type ImageProcessingEventArgs containing data related to this event. The following ImageProcessingEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| Arguments | (Read only) Gets the command arguments. |
| CommandName | (Read only) Gets the command name. |
| FirstPageNumber | (Read only) Gets the first page number to process. |
| Id | (Read only) Gets the scan session Id. |
| IsCanceled | Indicates whether the operation should be canceled. |
| IsPreview | (Read only) Indicates whether the requested command is for preview. |
| LastPageNumber | (Read only) Gets the last page number to process. |
| PreviewHeight | (Read only) Gets the preview height. |
| PreviewWidth | (Read only) Gets the preview width. |
| UserData | (Read only) Gets the user data. |
