ByteScout BarCode Generator SDK – VB.NET – Print Labels

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ByteScout BarCode Generator SDK – VB.NET – Print Labels

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ByteScout-Barcode-SDK-VB-NET-Print-Labels.pdf

How to print labels in VB.NET with ByteScout Barcode SDK

The tutorial shows how to print labels in VB.NET

Print labels is easy to implement in VB.NET if you use these source codes below. Want to print labels in your VB.NET app? ByteScout Barcode SDK is designed for it. ByteScout Barcode SDK is the fully featured library to generate barcodes. Supports QR Code, Code 39, Code 128, UPC, GS1, GS-128, PDF417, Datamatrix and many other barcode types. Includes various options for barcode generation to ensure output quality, add barcodes to new or existing pdf files and images.

The SDK samples like this one below explain how to quickly make your application do print labels in VB.NET with the help of ByteScout Barcode SDK. This VB.NET sample code is all you need for your app. Just copy and paste the code, add references (if needs to) and you are all set! You can use these VB.NET sample examples in one or many applications.

You can download free trial version of ByteScout Barcode SDK from our website to see and try many others source code samples for VB.NET.

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Form1.Designer.vb

      <Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Class Form1
    Inherits System.Windows.Forms.Form

    'Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overrides Sub Dispose(ByVal disposing As Boolean)
        Try
            If disposing AndAlso components IsNot Nothing Then
                components.Dispose()
            End If
        Finally
            MyBase.Dispose(disposing)
        End Try
    End Sub

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
		Dim resources As System.ComponentModel.ComponentResourceManager = New System.ComponentModel.ComponentResourceManager(GetType(Form1))
		Me.buttonPrint = New System.Windows.Forms.Button()
		Me.PrintPreviewDialog1 = New System.Windows.Forms.PrintPreviewDialog()
		Me.PrintDocument1 = New System.Drawing.Printing.PrintDocument()
		Me.PrintDialog1 = New System.Windows.Forms.PrintDialog()
		Me.SuspendLayout()
		'
		'buttonPrint
		'
		Me.buttonPrint.Location = New System.Drawing.Point(12, 12)
		Me.buttonPrint.Name = "buttonPrint"
		Me.buttonPrint.Size = New System.Drawing.Size(260, 57)
		Me.buttonPrint.TabIndex = 1
		Me.buttonPrint.Text = "Draw And Print Cards"
		Me.buttonPrint.UseVisualStyleBackColor = True
		'
		'PrintPreviewDialog1
		'
		Me.PrintPreviewDialog1.AutoScrollMargin = New System.Drawing.Size(0, 0)
		Me.PrintPreviewDialog1.AutoScrollMinSize = New System.Drawing.Size(0, 0)
		Me.PrintPreviewDialog1.ClientSize = New System.Drawing.Size(400, 300)
		Me.PrintPreviewDialog1.Document = Me.PrintDocument1
		Me.PrintPreviewDialog1.Enabled = True
		Me.PrintPreviewDialog1.Icon = CType(resources.GetObject("PrintPreviewDialog1.Icon"), System.Drawing.Icon)
		Me.PrintPreviewDialog1.Name = "PrintPreviewDialog1"
		Me.PrintPreviewDialog1.Visible = False
		'
		'PrintDocument1
		'
		'
		'PrintDialog1
		'
		Me.PrintDialog1.Document = Me.PrintDocument1
		Me.PrintDialog1.UseEXDialog = True
		'
		'Form1
		'
		Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
		Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
		Me.ClientSize = New System.Drawing.Size(284, 149)
		Me.Controls.Add(Me.buttonPrint)
		Me.Name = "Form1"
		Me.Text = "Form1"
		Me.ResumeLayout(False)

	End Sub
	Private WithEvents buttonPrint As System.Windows.Forms.Button
	Friend WithEvents PrintPreviewDialog1 As System.Windows.Forms.PrintPreviewDialog
	Friend WithEvents PrintDocument1 As System.Drawing.Printing.PrintDocument
	Friend WithEvents PrintDialog1 As System.Windows.Forms.PrintDialog

End Class

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Form1.vb

      Imports System.Drawing.Drawing2D
Imports Bytescout.BarCode

Public Class Form1

	Dim PaperSize As SizeF = New SizeF(5.5F, 8.75F)	' 5.5 x 8.75 inches
	Const PrintingResolution As Integer = 300 ' 300 dots per inch

	Public Sub New()

		' This call is required by the designer.
		InitializeComponent()

		' Make the print preview dialog larger by default
		PrintPreviewDialog1.MinimumSize = New Size(800, 600)

	End Sub

	Private Sub buttonPrint_Click(sender As Object, e As EventArgs) Handles buttonPrint.Click

		' Show print setup dialog, then print preview
		If PrintDialog1.ShowDialog() = DialogResult.OK Then
			PrintPreviewDialog1.ShowDialog()
		End If

	End Sub

	Private Sub PrintDocument1_PrintPage(sender As Object, e As Printing.PrintPageEventArgs) Handles PrintDocument1.PrintPage

		' Draw page on the printer device context
		Dim pageBitmap = DrawPage()
		e.Graphics.DrawImage(pageBitmap, 0, 0)

	End Sub

	' Draw cards on a bitmap of custom size
	Private Function DrawPage() As Bitmap

		Dim cardSize As SizeF = New SizeF(PaperSize.Width / 4, PaperSize.Height / 4) ' 4 x 4 cards on a page

		' Prepare constant and variable labels
		Dim strBrand = "CJ SHOES"
		Dim strModel = "ARTHUR-1N"
		Dim strColor = "BLK"
		Dim shoeSizeStart As Single = 5.5F
		Dim shoeSizeStep As Single = 0.5F
		Dim barcodeStartValue As Long = 4611030000
		Dim barcodeValueStep As Integer = 1

		' Prepare fonts
		Dim font1 = New Font("Arial", 0.12F, GraphicsUnit.Inch)
		Dim font2 = New Font("Arial", 0.1F, GraphicsUnit.Inch)
		Dim font3 = New Font("Arial", 0.09F, GraphicsUnit.Inch)
		Dim font4 = New Font("Arial", 0.15F, GraphicsUnit.Inch)

		' Prepare barcode generator
		Dim barcode = New Barcode("demo", "demo")
		barcode.Symbology = SymbologyType.I2of5
		barcode.NarrowBarWidth = 2
		barcode.DrawCaption = False

		Dim cardIndex = 0

		' Create bitmap for the page
		Dim pageBitmap = New Bitmap(CType((PaperSize.Width * PrintingResolution), Integer), CType((PaperSize.Height * PrintingResolution), Integer))
		pageBitmap.SetResolution(PrintingResolution, PrintingResolution)

		Using pageCanvas As Graphics = Graphics.FromImage(pageBitmap)

			pageCanvas.InterpolationMode = InterpolationMode.HighQualityBicubic
			pageCanvas.CompositingQuality = CompositingQuality.HighQuality

			' Setup page units to inches
			pageCanvas.PageUnit = GraphicsUnit.Inch
			' Fill background with white color
			pageCanvas.Clear(Color.White)

			' Draw cards
			For row As Integer = 0 To 3
				For column As Integer = 0 To 3

					' Create bitmap for card
					Dim cardBitmap = New Bitmap(CType((cardSize.Width * PrintingResolution), Integer), CType((cardSize.Height * PrintingResolution), Integer))
					cardBitmap.SetResolution(PrintingResolution, PrintingResolution)

					Using cardCanvas As Graphics = Graphics.FromImage(cardBitmap)

						' Setup page units to inches
						cardCanvas.PageUnit = GraphicsUnit.Inch

						' Setup drawing quality
						cardCanvas.SmoothingMode = SmoothingMode.HighQuality
						cardCanvas.InterpolationMode = InterpolationMode.HighQualityBicubic
						cardCanvas.CompositingQuality = CompositingQuality.HighQuality

						Dim stringFormat = New StringFormat()
						stringFormat.Alignment = StringAlignment.Center

						' Draw static labels
						cardCanvas.DrawString(strBrand, font1, Brushes.Black, cardSize.Width / 2, 0.1F, stringFormat)
						cardCanvas.DrawString(strModel, font2, Brushes.Black, cardSize.Width / 2, 0.4F, stringFormat)
						cardCanvas.DrawString(strColor, font1, Brushes.Black, cardSize.Width / 2, 0.7F, stringFormat)

						' Generate barcode image
						barcode.Value = (barcodeStartValue + cardIndex * barcodeValueStep).ToString()
						barcode.PreserveMinReadableSize = False
						barcode.ResolutionX = PrintingResolution
						barcode.ResolutionY = PrintingResolution
						barcode.FitInto(cardSize.Width, 0.5F, UnitOfMeasure.Inch)
						Dim barcodeImage = barcode.GetImage()
						' Draw barcode
						cardCanvas.DrawImage(barcodeImage, 0, 1.0F)
						' Draw barcode label
						cardCanvas.DrawString(barcode.Value, font3, Brushes.Black, cardSize.Width / 2, 1.4F, stringFormat)

						' Draw shoe size label
						cardCanvas.DrawString((shoeSizeStart + cardIndex * shoeSizeStep).ToString(), font4, Brushes.Black, _
							cardSize.Width / 2, 1.7F, stringFormat)

					End Using

					' Draw card on the page
					pageCanvas.DrawImage(cardBitmap, column * cardSize.Width, row * cardSize.Height)

					cardIndex = cardIndex + 1
				Next
			Next

		End Using

		Return pageBitmap

	End Function

End Class