In this barcode only two AI have variable length: 10 and 37.įNC1 is not inserted after AI-37 only because 37 is the last AI and there is no need to encode FNC1 at the end (unlike parentheses, which are displayed but not encoded in the barcode).Īs you can see from the image above, the FNC1 character is inserted not after each AI (Application Identifier),īut only after those AI that have a variable length. The FNC1 character is an invisible character, but it is really encoded in the barcode You will get the following barcode as a result: To do it, just attribute the following string to the BarText property: Suppose you need to encode the following UCC/EAN128 barcode: To do it, you should set the following properties:īarType - Code 39 Extended (or Code 93 Extended)Īctually, you do not have to do it yourself because our barcodes controls can place FNC1 where it Suppose you need to encode the following byte array: Since data for encoding must be presented as a string, you have to convert binary data to a string to be able to encode it. You to encode data within the range 0.127 (00.7F hex). For example, Code 39 Extended and Code 93 Extended allow Yes, it is, but not the entire range of binary data. To switch from one unit to another, theīelow is a chart that contains many common dimensions. But they can beĪlso specified in inches and in millimeters. Very often barcode parameters are specified in Mils in various standards. The X dimension is measured in Mils, 1 Mil = 1/1000 Inch. The minimum X-dimension for an "open system" (a bar code label that will be read by scannersįrom outside your company) is 7.5 mils (a mil is 1/1000 inch) or 0.19 mm. The X-dimension is the width of the smallest element in a bar code. I use BarCode ActiveX and try to print a Code128C barcode, but for some reason I have a leading zero that should not be there inserted into the barcode. What should I so if an AI has a variable length (UCC/EAN128)? How can I insert FNC1 into barcodes of the UCC/EAN128 type? Is it possible to encode binary data with linear barcodes?
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