ByteScout BarCode Generator SDK - VB.NET - Print Labels - ByteScout

ByteScout BarCode Generator SDK – VB.NET – Print Labels

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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

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