(TSave2D_Png, TSave2D_Svg)
Specifies the transparency-level of entire barcode symbol.
property BarOpacity: Single;
For the TSave2D_Png and TSave2D_Svg components, when save a barcode symbol to a picture file, the property specifies the transparency-level of foreground color (bars or dark modules) if the Inversed property is set to false, otherwise, it specifies the transparency-level of bakcground color (spaces or light modules, and quiet zones). Where 1 is not transparant at all, 0.5 is 50% see-through, and 0 is completely transparent.
The property defaults to 1, meaning not transparant at all.