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1
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PdfDataMatrixBarcode and PdfQRBarcode don't update their size properly

PdfDataMatrixBarcode

dmBarcode = new PdfDataMatrixBarcode();

dmBarcode.Size = PdfDataMatrixSize.Auto;

dmBarcode.Text="12345678901234567890";

// always prints {Width=0, Height=0}

Console.WriteLine((dmBarcode as PdfBidimensionalBarcode).Size);

PdfBidimensionalBarcode qrBarcode = new PdfQRBarcode();

qrBarcode.Version = QRCodeVersion.Auto;

qrBarcode.Text="1234567890123456789012345678901234567890";

// always prints {Width=21, Height=21}, Version is still QRCodeVersion.Auto

Console.WriteLine(qrBarcode.Size);

// unless you call ToImage();

qrBarcode.ToImage(); 

// prints {Width=29, Height=29}, Version is now QRCodeVersion.Version02

Console.WriteLine(qrBarcode.Size);

// the ToImage()-trick does not work for PdfDataMatrixCode, its PdfDataMatrixSize stays at Auto
// so it is not even possible to manually calculate it

Note: In my opinion PdfDataMatrixBarcode.Size shouldn't hide PdfBidimensionalBarcode.Size, I think it'd be better to rename it to
PdfDataMatrixBarcode.
DataMatrixSize or something like that.