| Parameter Name | Description | Corresponding property of Barcode-ActiveX | Default value |
| w | Barcode picture width. | ||
| h | Barcode picture height. | ||
| xdim | Barcode X-Dimension. | This parameter makes sense only if the w parameter (for 0 degree orientation) are not used. | 2 |
| data | Sets the data that is to be encoded in the Barcode. | BarText | 1234567 |
| btype | Barcode Type. Possible values: 0...21 | BarType | 7 |
| angle | Orientation of the bar code. Possible values: 0, 90, 180, 270 | Orientation | 0 |
| quiet | Show quiet zones. Possible values: 0(hide) or 1(show) | ShowQuietZone | 1 |
| balign | Barcode alignment. Possible values: 0...2 | BarAlign | 2 |
| talign | Text alignment. Possible values: 0...5 | TextAlign | 0 |
| bcolor | Background color. Possible values: 000000...ffffff The color must be presented as RGB, i.e. you should specify the value ff0000 for the red color | BackColor | ffffff (white) |
| fcolor | Foreground color. Possible values: 000000...ffffff | ForeColor | 000000 (black) |
| tcolor | Foreground color. Possible values: 000000...ffffff | TextColor | 000000 (black) |
| guard | Show guard lines for EAN(UPC) bar codes. Possible values: 0(hide) or 1(show) | ShowGuard | 1 |
| text | Show barcode human readable text. Possible values: 0(hide) or 1(show) | ShowText | 1 |
| tdown | Place the text above or below. Possible values: 0(above) or 1(below) | TextBottomTop | 1 |
| stst | Show start/stop digits (if barcode have it). Possible values: 0(hide) or 1(show) | ShowStSt | 0 |
| schk | Show check digit (if barcode have it). Possible values: 0(hide) or 1(show) | ShowCheck | 1 |
| cchk | calculate an optional check digit or not. Possible values: 0(no) or 1(yes) | CalcCheck | 1 |
| ntxt | Convert nonprinting chars to text. Possible values: 0(no) or 1(yes) | NonPrintingToTxt | 1 |
| c128 | Code-128 charset. Possible values: 0...3 | Code128CharSet | 0 |
| fh | Font height. | 14 | |
| bred | Barcode width reduction. Possible values: -99...99 | BarWidthReduction | 0 |
| w2n | Wide to narrow ratio. Possible values: 2...4 | Wide2NarrowRatio | 2.5 |
| help | Displays information about our Barcode CGI generator. See below. | ||
| debug | Displays information about the error. See below. |