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FAQ Barcode Creation

How Can I Enable the 2D Composite Component for EAN-13?

How Can I Enable the 2D Composite Component for EAN-13?

First select the EAN-13 symbology in the barcode library.

Then add a 2D composite component with this function:

  • TBarCode .NET:
    barcodeControl1.Barcode.CompositeSymbol.CCType == CompositeComponentTypes.Auto;
  • TBarCode DLL:
    BCSet2DCompositeComponent (pBarcode, eCC_Auto);
  • TBarCode OCX:
    TBarCode111.CompositeComponent = eCC_Auto

The barcode data must consist of

<12 digits or 13 digits> + | + <2D data>
In order to create the correct size, we suggest to first set the module width to a suitable value (e.g. 0.339 mm) and then retrieve the total bar code size with BCGetBarcodeSize / CalculateBarcodeSize. Then use this size for drawing the bar code. For bitmap generation don't set a module width, instead use BCGetOptimalBitmapSize / CalculateOptimalBitmapSize to find the optimal bitmap Pixel dimensions.

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