Overloads Overridable Sub Recognize( _
   ByVal firstPageIndex As Integer, _
   ByVal lastPageIndex As Integer, _
   ByVal callback As OcrProgressCallback _
) 

Visual Basic (Usage)	Copy Code
Dim instance As IOcrPageCollection Dim firstPageIndex As Integer Dim lastPageIndex As Integer Dim callback As OcrProgressCallback   instance.Recognize(firstPageIndex, lastPageIndex, callback)

virtual void Recognize( 
   int firstPageIndex,
   int lastPageIndex,
   OcrProgressCallback callback
)

virtual void Recognize( 
   int firstPageIndex,
   int lastPageIndex,
   OcrProgressCallback^ callback
) 

Parameters

firstPageIndex

The zero-based index of the first page to recognize.

lastPageIndex

The zero-based index of the last page to recognize. A value of -1 means recognize up to and including the last page in the OCR document.

callback

Optional callback to show operation progress.

For more information on recognition of OCR data a page, refer to IOcrPage.Recognize.

This method will iterate through all the pages between firstPageIndex and lastPageIndex in the OCR document and run IOcrPage.Recognize on each page.

To recognize all the pages in the OCR document use Recognize(OcrProgressCallback callback).

You can use the OcrProgressCallback to show the operation progress or to abort it. For more information and an example, refer to OcrProgressCallback.

Target Platforms: Microsoft .NET Framework 3.0, Windows XP, Windows Server 2003 family, Windows Server 2008 family

Reference