ImageProcessing Event

Occurs in Run(String,Int32,Int32,String,String,Object) and Preview methods to apply the image processing command on the specified image.

Syntax

C#
Visual Basic
Objective-C
Java
C++

public event EventHandler<PageImageProcessingEventArgs> ImageProcessing

'Declaration
 
Public Event ImageProcessing As EventHandler(Of PageImageProcessingEventArgs)

'Usage
 
Dim instance As TwainScanningService
Dim handler As EventHandler(Of PageImageProcessingEventArgs)
 
AddHandler instance.ImageProcessing, handler

public:
event EventHandler<PageImageProcessingEventArgs^>^ ImageProcessing

Event Data

The event handler receives an argument of type PageImageProcessingEventArgs containing data related to this event. The following PageImageProcessingEventArgs properties provide information specific to this event.

Property	Description
Arguments (Inherited from Leadtools.Services.Twain.ImageProcessingEventArgs)	(Read only) Gets the command arguments.
CommandName (Inherited from Leadtools.Services.Twain.ImageProcessingEventArgs)	(Read only) Gets the command name.
FirstPageNumber (Inherited from Leadtools.Services.Twain.ImageProcessingEventArgs)	(Read only) Gets the first page number to process.
Id (Inherited from Leadtools.Services.Twain.ImageProcessingEventArgs)	(Read only) Gets the scan session Id.
Image	(Read only) Gets the image page.
IsCanceled (Inherited from Leadtools.Services.Twain.ImageProcessingEventArgs)	Indicates whether the operation should be canceled.
IsPreview (Inherited from Leadtools.Services.Twain.ImageProcessingEventArgs)	(Read only) Indicates whether the requested command is for preview.
LastPageNumber (Inherited from Leadtools.Services.Twain.ImageProcessingEventArgs)	(Read only) Gets the last page number to process.
PageNumber	(Read only) Gets the page number.
PreviewHeight (Inherited from Leadtools.Services.Twain.ImageProcessingEventArgs)	(Read only) Gets the preview height.
PreviewWidth (Inherited from Leadtools.Services.Twain.ImageProcessingEventArgs)	(Read only) Gets the preview width.
Skip	Indicates whether the operation should be skipped for the current page.
UserData (Inherited from Leadtools.Services.Twain.ImageProcessingEventArgs)	(Read only) Gets the user data.

Requirements

Target Platforms

Reference

TwainScanningService Class
TwainScanningService Members