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Recognize(OcrProgressCallback) Method

Summary

Recognizes the OCR data found on all the pages in the OCR document.

Syntax

C#
VB
Java
Objective-C
WinRT C#
C++
public void Recognize( 
   OcrProgressCallback callback 
) 
Overloads Sub Recognize( _ 
   ByVal callback As Leadtools.Forms.Ocr.OcrProgressCallback _ 
)  
void Recognize(  
   Leadtools.Forms.Ocr.OcrProgressCallback callback 
) 
- (BOOL)recognizePages:(nullable LTOcrProgressHandler)progressHandler 
                 error:(NSError **)error 
             
public void recognize(OcrProgressListener callback) 
function Leadtools.Forms.Ocr.IOcrPageCollection.Recognize(OcrProgressCallback)(  
   callback  
) 
void Recognize(  
   Leadtools.Forms.Ocr.OcrProgressCallback^ callback 
)

Parameters

callback
Optional callback to show operation progress.

Remarks

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

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

To recognize a range of the pages in the OCR document use Recognize(int firstPageIndex, int lastPageIndex, 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.

This member only works with memory-based documents and will throw an exception otherwise. For more information, refer to IOcrDocumentManager.CreateDocument and Programming with the LEADTOOLS .NET OCR.

Example

For an example, refer to IOcrPageCollection.

Requirements

Target Platforms

Help Version 19.0.2017.10.27
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Leadtools.Forms.Ocr Assembly
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