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Scan QR Code 2d Barcode In None
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Create Denso QR Bar Code In None
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APPENDIX
Scanning QR Code 2d Barcode In None
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QR Creation In Visual C#
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COMMANDS, FUNCTIONS, AND OTHER DETAILS
QR Code 2d Barcode Creation In VS .NET
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Creating QR Code ISO/IEC18004 In .NET
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hroughout this appendix there will be reference to the following items:
QR Code Printer In Visual Basic .NET
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Universal Product Code Version A Creator In None
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ExprN implies that a numeric resulting expression is required. ExprS implies that a string resulting expression is required. Expr implies that either a numeric or string expression is acceptable. {Expr} or {Var} implies that it is optional and {Expr...} means many can be given. Var implies that a variable name must be given. VarA implies that an array name must be given. In some cases the array must exist and must have been previously dimensioned using the Dim command or created using the Data command. VarA[...] implies that an array element is required. The element speci cation [...] must be valid within the array s dimensional constraints. If a Var is expected in any of the commands, then if Var exists it will be assigned the result otherwise it will be created and assigned the result. If VarA is expected then it must be a previously dimensioned array, but in some cases where VarA is created by the command it does not have to be previously dimensioned.
Print Bar Code In None
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Generate DataMatrix In None
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Copyright 2008 by The McGraw-Hill Companies, Inc. Click here for terms of use.
ANSI/AIM Code 39 Maker In None
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Code 128C Drawer In None
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APPENDICES
ABC Codabar Creator In None
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Data Matrix 2d Barcode Decoder In Visual C#
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NOTE:
Barcode Creation In None
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Make EAN 13 In Java
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Always refer to the help pages within the RobotBASIC IDE for the most upto-date information regarding material mentioned in this appendix.
Creating Matrix 2D Barcode In Java
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Scanning Barcode In Java
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C.1 Labels
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ANSI/AIM Code 39 Encoder In Java
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See Sec. B.5 for a detailed discussion of how labels t within RobotBASIC s language. Here we give a few additional details. There are three styles for labels: C.1.1 ALPHA-NUMERICAL STYLE 1 This is the clearest style of all the other styles and is the easiest to pick out while scanning the source code of a program. In this style of labels you must begin the label with a letter followed by any combination of digits and letters and nally ended with a colon (:). You must end this label style with the colon (:) and commence with a letter. For example:
//this is a label on its own Label_1: print 20 //a label inline with another statement Label_23: print 40 goto Label_1 //when you refer to the label do not use the :
NOTE:
When referencing a label in a statement like Gosub or Goto do not include the colon (:) character. The colon (:) is put as part of the label only at the label position to de ne the label and is not used in statements referring to the label. Labels are case sensitive. So Loop:, loop:, and LOOp: are all different. Labels can be up to 255 characters long, so do use meaningful names for subroutines and looping labels.
C.1.2 ALPHA-NUMERICAL STYLE 2 This style is similar to programming languages other than BASIC and is supported by RobotBASIC for people who like this style. A label of this style must begin with the colon (:) followed by any combination of digits and letters. For example:
//this is a label on its own :Label_1 print 20 //a label inline with another statement :2_Label print 40 //when you refer to the label do not use the : goto Label_1
COMMANDS, FUNCTIONS, AND OTHER DETAILS
C.1.3 NUMERICAL STYLE This style supports the standard BASIC line numbers and is not a recommended style. You can use any combination of digits that are the rst thing in a line or the only thing in the line. A variation to this style is supported where after the rst digit you can use a combination of letters and digits, but you must start the label with a number. For example:
//10 is the numerical label inline with another statement 10 print 4 20 print 9 //4A2C is the other style inline with another statement 4A2C print 100 //200XYZ1 is the other style in a line on its own 200XYZ1 print Hi there //30 is the numerical label in a line on its own 30 goto 10
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