PreProcessPage Event

Optional delegate method used before page processing begins.

Syntax

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++

public event EventHandler<ProcessPageEventArgs> PreProcessPage

'Declaration
 
Public Event PreProcessPage As EventHandler(Of ProcessPageEventArgs)

'Usage
 
Dim instance As FormProcessingEngine
Dim handler As EventHandler(Of ProcessPageEventArgs)
 
AddHandler instance.PreProcessPage, handler

public event EventHandler<ProcessPageEventArgs> PreProcessPage

add_PreProcessPage(function(sender, e))
remove_PreProcessPage(function(sender, e))

public:
event EventHandler<ProcessPageEventArgs^>^ PreProcessPage

Event Data

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

Property	Description
Form	Gets the form page image that is being processed.
FormCurrentPageNumber	Gets the current page number that is undergoing processing.
FormFirstPageNumber	Gets the starting page number of the form being processed.
FormLastPageNumber	Gets the last page number of the form being processed.
OcrDocument	Gets or sets the OcrDocument that contains the page.
OcrPageNumber	Gets or sets the index of the page in the OcrDocument.
RequiresOcr	Gets a flag that specifies whether this page needs to be added to the OCR engine in order to process its fields.

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

FormProcessingEngine Class
FormProcessingEngine Members