BeginImageProcessing Event

Occurs at the beginning of Run(String,Int32,Int32,String,String,Object) and Preview.

Syntax

C#
Visual Basic
Objective-C
Java
C++

public event EventHandler<ImageProcessingEventArgs> BeginImageProcessing

'Declaration
 
Public Event BeginImageProcessing As EventHandler(Of ImageProcessingEventArgs)

'Usage
 
Dim instance As TwainScanningService
Dim handler As EventHandler(Of ImageProcessingEventArgs)
 
AddHandler instance.BeginImageProcessing, handler

public:
event EventHandler<ImageProcessingEventArgs^>^ BeginImageProcessing

Event Data

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.

Requirements

Target Platforms

Reference

TwainScanningService Class
TwainScanningService Members