/// <summary> /// Transform the string into integers representing the Code128 codes /// necessary to represent it /// </summary> /// <param name="AsciiData">String to be encoded</param> /// <returns>Code128 representation</returns> private int[] StringToCode128(string AsciiData) { // turn the string into ascii byte data byte[] asciiBytes = Encoding.ASCII.GetBytes(AsciiData); // decide which codeset to start with Code128Code.CodeSetAllowed csa1 = asciiBytes.Length > 0 ? Code128Code.CodesetAllowedForChar(asciiBytes[0]) : Code128Code.CodeSetAllowed.CodeAorB; Code128Code.CodeSetAllowed csa2 = asciiBytes.Length > 0 ? Code128Code.CodesetAllowedForChar(asciiBytes[1]) : Code128Code.CodeSetAllowed.CodeAorB; CodeSet currcs = GetBestStartSet(csa1, csa2); // set up the beginning of the barcode System.Collections.ArrayList codes = new System.Collections.ArrayList(asciiBytes.Length + 3); // assume no codeset changes, account for start, checksum, and stop codes.Add(Code128Code.StartCodeForCodeSet(currcs)); // add the codes for each character in the string for (int i = 0; i < asciiBytes.Length; i++) { int thischar = asciiBytes[i]; int nextchar = asciiBytes.Length > (i + 1) ? asciiBytes[i + 1] : -1; codes.AddRange(Code128Code.CodesForChar(thischar, nextchar, ref currcs)); } // calculate the check digit int checksum = (int)(codes[0]); for (int i = 1; i < codes.Count; i++) { checksum += i * (int)(codes[i]); } codes.Add(checksum % 103); codes.Add(Code128Code.StopCode()); int[] result = codes.ToArray(typeof(int)) as int[]; return(result); }