Programming with the LEADTOOLS Document Readers

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The DocumentReader class allows reading images, thumbnails, text data and metadata from any of the supported types using a uniform set of methods and properties, regardless of the document type.

The current implementation of the LEADTOOLS Document Readers support reading the following document types:

LEADTOOLS will add more document readers and functionality in the near future for documents such as DICOM, DOC/DOCX(2007/2010), XLS/XLSX(2007/2010) and RTF. More objects types such as images, bookmarks, hyperlinks and annotations will also be added in the near future. Currently, support for these formats is provided by the Raster document reader (with text parsing supported by an external OCR engine).

DocumentReader is an abstract class and cannot be initialized directly. The derived classes to support PDF, XPS and the various other formats are internal to LEADTOOLS. Instead, get a DocumentReader object by using the DocumentReader.Create static (Shared in Visual Basic) method. This method will try to load the document in the supported readers and if successful, will return an instance of DocumentReader ready to use.

Once you obtain a valid instance of a DocumentReader object with a document loaded into it, you can use the following features:

The DocumentReader class implements the System.IDisposable interface. You must call the System.IDisposable.Dispose method when the reader is no longer used.

 

 


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