ByteScout BarCode Generator SDK - Visual Basic 6 - Printing Barcodes - ByteScout

ByteScout BarCode Generator SDK – Visual Basic 6 – Printing Barcodes

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printing barcodes in Visual Basic 6 using ByteScout Barcode SDK

How to code printing barcodes in Visual Basic 6: How-To tutorial

Here you may find thousands pre-made source code pieces for easy implementation in your own programming Visual Basic 6 projects. ByteScout Barcode SDK helps with printing barcodes in Visual Basic 6. ByteScout Barcode SDK is the robost SDK that generates high quality barcode images and pdf. Can generate all popular types of barcodes from QR Code, Code 39, Code 128, UPC, GS1, GS-128, PDF417, Datamatrix to more exotic barcode types. Fully customizable fonts, colors, print sizes. Includes special functions to ensure output quality, and tools for adding barcodes to new or existing pdf files and images.

The SDK samples like this one below explain how to quickly make your application do printing barcodes in Visual Basic 6 with the help of ByteScout Barcode SDK. To do printing barcodes in your Visual Basic 6 project or application you may simply copy & paste the code and then run your app! Enjoy writing a code with ready-to-use sample Visual Basic 6 codes to implement printing barcodes using ByteScout Barcode SDK.

Visit our website provides for free trial version of ByteScout Barcode SDK. Free trial includes lots of source code samples to help you with your Visual Basic 6 project.

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Form1.frm
      
VERSION 5.00 Begin VB.Form Form1 AutoRedraw = -1 'True Caption = "Form1" ClientHeight = 2175 ClientLeft = 45 ClientTop = 435 ClientWidth = 7770 LinkTopic = "Form1" ScaleHeight = 2175 ScaleWidth = 7770 StartUpPosition = 3 'Windows Default Begin VB.CommandButton Command1 Caption = "Print Barcode to the selected printer with 300 DPI quality and physycal size (4x1 inches)" Height = 855 Left = 120 TabIndex = 1 Top = 840 Width = 6975 End Begin VB.ComboBox cboPrinterList Height = 315 Left = 120 TabIndex = 0 Top = 360 Width = 6975 End End Attribute VB_Name = "Form1" Attribute VB_GlobalNameSpace = False Attribute VB_Creatable = False Attribute VB_PredeclaredId = True Attribute VB_Exposed = False Private Sub Command1_Click() ' set printer to the selected printer Call SelectPrinter(cboPrinterList.Text) ' call function to print barcode to Printer object Call PrintBarCode End Sub ' populate list of printers on form load Private Sub Form_Load() Dim dev As Printer, Index As Integer, CurrentPrinter As Integer CurrentPrinter = -1 Index = 0 For Each dev In Printers cboPrinterList.AddItem dev.DeviceName If Printer.DeviceName = dev.DeviceName Then CurrentPrinter = Index End If Index = Index + 1 Next If CurrentPrinter <> -1 Then cboPrinterList.ListIndex = CurrentPrinter End If End Sub '=========================== 'Function to select printer '=========================== Function SelectPrinter(ByVal printer_name As String) As Boolean Dim i As Integer SelectPrinter = False For i = 0 To Printers.Count - 1 ' if the specified printer is found, select it and return True If Printers(i).DeviceName = printer_name Then Set Printer = Printers(i) SelectPrinter = True Exit For End If Next i End Function ' print barcode to the Printer object Private Sub PrintBarCode() ' this method prints a barcode via temporary EMF metafile allowing to set target physical size and DPI resolution quality Const DPIQuality = 300 ' 300 DPI as printing resolution (DPI) quality Const WidthInInches = 4 ' 4 inches as width for the barcode generated Const HeightInInches = 1 ' 1 inches as height for the barcode generated ' create barcode object as ActiveX Dim BC Set BC = CreateObject("Bytescout.BarCode.Barcode") Printer.PrintQuality = DPIQuality ' set the printer quality to 300 dpi ' IMPORTANT: call Printer.Print Space(1) to initialize the Printer ' this is how Microsoft advises to do in their KB article (search for Printer.Print string): http://support.microsoft.com/kb/146022 Printer.Print Space(1) ' initialize hDC of Printer object ' set the same DPI resolution (300 DPI) to generate barcode image BC.ResolutionX = DPIQuality BC.ResolutionY = DPIQuality ' set barcode symbology type BC.Symbology = 0 ' Code 39 = 0 (see the documentation for other barcode types) ' set barcode value BC.Value = "1234567890" ' use .FitInto_3 method to set the size in inches (you can also set in mm, cm, pixels - see the documentation for more) BC.FitInto_3 WidthInInches, HeightInInches, 2 ' fit into 3.5x0.875 inches (2 = inch) ' save barcode into temprorary EMF image ' create FileSystemObject to work with files Dim FSO As Object Set FSO = CreateObject("Scripting.filesystemobject") ' get temporary filename to save a temporary .EMF file Dim tempEMFFileName tempEMFFileName = FSO.GetTempName() & ".EMF" ' save EMF metafile into the temporary file BC.SaveImage tempEMFFileName ' now we paint EMF file to Printer object ' default units for Printer in VB6 is Twips, which is 1440 per Inch ' so we calculate 3.5 inches as 3.5 * TwipsPerInch Const TwipsPerInch = 1440 ' now printing the picture at 0,0 with 3.5 inches X 0.875 inches Printer.PaintPicture LoadPicture(tempEMFFileName), 0, 200, 3.5 * TwipsPerInch, 0.875 * TwipsPerInch ' now remove temporary EMF file FSO.deletefile tempEMFFileName, True Set FSO = Nothing ' finally send command to print the page Printer.EndDoc Set BC = Nothing End Sub

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Project1.vbp
      
Type=Exe Reference=*\G{00020430-0000-0000-C000-000000000046}#2.0#0#C:\WINDOWS\system32\stdole2.tlb#OLE Automation Form=Form1.frm Startup="Form1" ExeName32="Project1.exe" Command32="" Name="Project1" HelpContextID="0" CompatibleMode="0" MajorVer=1 MinorVer=0 RevisionVer=0 AutoIncrementVer=0 ServerSupportFiles=0 VersionCompanyName="000" CompilationType=0 OptimizationType=0 FavorPentiumPro(tm)=0 CodeViewDebugInfo=0 NoAliasing=0 BoundsCheck=0 OverflowCheck=0 FlPointCheck=0 FDIVCheck=0 UnroundedFP=0 StartMode=0 Unattended=0 Retained=0 ThreadPerObject=0 MaxNumberOfThreads=1 [MS Transaction Server] AutoRefresh=1

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