- 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.
Visual Basic (Declaration) | |
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Overloads Overridable Sub Recognize( _ ByVal firstPageIndex As Integer, _ ByVal lastPageIndex As Integer, _ ByVal callback As OcrProgressCallback _ ) |
Visual Basic (Usage) | Copy Code |
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C# | |
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virtual void Recognize( int firstPageIndex, int lastPageIndex, OcrProgressCallback callback ) |
C++/CLI | |
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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 an example, refer to IOcrPageCollection.
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