The following properties are required - although all are provided with default values.
More:
AutoParity
BackColor
BarRatio
BarReduce
BearerBarThickness
BorderSize
Caption
CharSpacing
CodeType
Errorcode
ExtendBearers
Extra1
Extra2
FontName
FontSize
FontBold
FontItalic
ForeColor
GapToText
ImageHeight
ImageWidth
JustifyText
Left
MarginSize
NominalSize
Orientation
PixGain
ScaleMode
Serial
ShowBearerBars
ShowCheckDigit
ShowLightMargins
ShowText
Top
TransparentBackground
Xunit
AutoParity