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How to draw 2D-Barcodes

The code sample below draws 2D barcodes on a PDF page

c# sample:

PDFDocument doc = new PDFDocument("barcode.pdf");

PDFTech.Barcodes.Barcode2D.DataMatrix dataMatrix = new PDFTech.Barcodes.Barcode2D.DataMatrix("123456789 PDFTech", UnitOfMeasure.Pixel);

dataMatrix.SymbolSize = PDFTech.Barcodes.DataMatrixSymbolSize.Size40X40;

if (dataMatrix.IsCodeValid())


      doc.CurrentPage.Body.Add2DBarcode(dataMatrix,130, 100);


if (!doc.Save())


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