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VintaSoft Blog

PDF

Merge several documents to single PDF document in .NET
November 25, 2020

This article contains C# code for merging several documents (PDF, TIFF, PNG, DOCX, ...) to single PDF document. [...]

PDF

Add a watermark to pages of PDF document in .NET
September 11, 2020

This article describes how to add a watermark to pages of PDF document [...]

Forms processing

Recognize birth date in OMR bubble sheet in .NET
August 20, 2020

VintaSoft Imaging .NET SDK complemented with VintaSoft Forms Processing .NET Plug-in allows to recognize optical marks (OMR) from filled form of document. This article explains how to recognize the date of birth from image of OMR form. [...]

Barcode

Generate and recognize DotCode barcodes in .NET
August 13, 2020

VintaSoft Barcode .NET SDK supports reading and writing of two-dimensional matrix barcodes DotCode [...]

Barcode

Generate 2D barcodes with XFA compression in .NET
June 16, 2020

Barcode data, which include recurrent sequences of symbols (e.g. a list of serial numbers, XML data, URLs, etc), can be reduced in size if the barcode data are compressed using Flate (ZIP) compression. [...]

Barcode

Generate Aztec barcode of necessary shape in .NET
June 03, 2020

Several Aztec barcodes can be combined into one Aztec barcode, because usage of special symbol (Structured Append character) allows to combine values of up to 26 Aztec barcode [...]

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