ByteScout BarCode Generator SDK – C# – Print Labels

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ByteScout BarCode Generator SDK – C# – Print Labels

printable version:
ByteScout-Barcode-SDK-C-sharp-Print-Labels.pdf

How to print labels in C# with ByteScout Barcode SDK

How to code in C# to print labels with this step-by-step tutorial

The code below will help you to implement an C# app to print labels. 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. It can be used to print labels using C#.

C# code samples for C# developers help to speed up coding of your application when using ByteScout Barcode SDK. In order to implement the functionality, you should copy and paste this code for C# below into your code editor with your app, compile and run your application. Use of ByteScout Barcode SDK in C# is also explained in the documentation included along with the product.

Trial version of ByteScout Barcode SDK can be downloaded for free from our website. It also includes source code samples for C# and other programming languages.

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Form1.Designer.cs

      namespace PrintLabels
{
	partial class Form1
	{
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.IContainer components = null;

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
		protected override void Dispose(bool disposing)
		{
			if (disposing && (components != null))
			{
				components.Dispose();
			}
			base.Dispose(disposing);
		}

		#region Windows Form Designer generated code

		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form1));
			this.buttonPrint = new System.Windows.Forms.Button();
			this.printPreviewDialog1 = new System.Windows.Forms.PrintPreviewDialog();
			this.printDocument1 = new System.Drawing.Printing.PrintDocument();
			this.printDialog1 = new System.Windows.Forms.PrintDialog();
			this.SuspendLayout();
			// 
			// buttonPrint
			// 
			this.buttonPrint.Location = new System.Drawing.Point(12, 12);
			this.buttonPrint.Name = "buttonPrint";
			this.buttonPrint.Size = new System.Drawing.Size(260, 57);
			this.buttonPrint.TabIndex = 0;
			this.buttonPrint.Text = "Draw And Print Cards";
			this.buttonPrint.UseVisualStyleBackColor = true;
			this.buttonPrint.Click += new System.EventHandler(this.buttonPrint_Click);
			// 
			// printPreviewDialog1
			// 
			this.printPreviewDialog1.AutoScrollMargin = new System.Drawing.Size(0, 0);
			this.printPreviewDialog1.AutoScrollMinSize = new System.Drawing.Size(0, 0);
			this.printPreviewDialog1.ClientSize = new System.Drawing.Size(400, 300);
			this.printPreviewDialog1.Document = this.printDocument1;
			this.printPreviewDialog1.Enabled = true;
			this.printPreviewDialog1.Icon = ((System.Drawing.Icon)(resources.GetObject("printPreviewDialog1.Icon")));
			this.printPreviewDialog1.Name = "printPreviewDialog1";
			this.printPreviewDialog1.UseAntiAlias = true;
			this.printPreviewDialog1.Visible = false;
			// 
			// printDocument1
			// 
			this.printDocument1.PrintPage += new System.Drawing.Printing.PrintPageEventHandler(this.printDocument1_PrintPage);
			// 
			// printDialog1
			// 
			this.printDialog1.Document = this.printDocument1;
			this.printDialog1.UseEXDialog = true;
			// 
			// Form1
			// 
			this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
			this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
			this.ClientSize = new System.Drawing.Size(284, 156);
			this.Controls.Add(this.buttonPrint);
			this.Name = "Form1";
			this.Text = "Form1";
			this.ResumeLayout(false);

		}

		#endregion

		private System.Windows.Forms.Button buttonPrint;
		private System.Windows.Forms.PrintPreviewDialog printPreviewDialog1;
		private System.Drawing.Printing.PrintDocument printDocument1;
		private System.Windows.Forms.PrintDialog printDialog1;
	}
}

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Form1.cs

      using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Printing;
using System.Windows.Forms;
using Bytescout.BarCode;

namespace PrintLabels
{
	/// <summary>
	/// This example demonstrates drawing and printing of mutiple cards (e.g. stickers) on a single page.
	/// Cards contain variable labels and barcodes.
	/// </summary>
	public partial class Form1 : Form
	{
		SizeF PaperSize = new SizeF(5.5f, 8.75f); // 5.5 x 8.75 inches
		const int PrintingResolution = 300; // 300 dots per inch
		
		public Form1()
		{
			InitializeComponent();

			// Make the print preview dialog larger by default
			printPreviewDialog1.MinimumSize = new Size(800, 600);
		}

		private void buttonPrint_Click(object sender, EventArgs e)
		{
			// Show print setup dialog, then print preview
			if (printDialog1.ShowDialog() == DialogResult.OK)
				printPreviewDialog1.ShowDialog();
		}

		private void printDocument1_PrintPage(object sender, PrintPageEventArgs e)
		{
			// Draw page on the printer device context
			Bitmap pageBitmap = DrawPage();
			e.Graphics.DrawImage(pageBitmap, 0, 0);
		}

		// Draw cards on a bitmap of custom size
		private Bitmap DrawPage()
		{
			SizeF cardSize = new SizeF(PaperSize.Width / 4, PaperSize.Height / 4); // 4 x 4 cards on a page

			// Prepare constant and variable labels
			string strBrand = "CJ SHOES";
			string strModel = "ARTHUR-1N";
			string strColor = "BLK";
			float shoeSizeStart = 5.5f;
			float shoeSizeStep = 0.5f;
			long barcodeStartValue = 4611030000;
			int barcodeValueStep = 1;

			// Prepare fonts
			Font font1 = new Font("Arial", 0.12f, GraphicsUnit.Inch);
			Font font2 = new Font("Arial", 0.10f, GraphicsUnit.Inch);
			Font font3 = new Font("Arial", 0.09f, GraphicsUnit.Inch);
			Font font4 = new Font("Arial", 0.15f, GraphicsUnit.Inch);

			// Prepare barcode generator
			Barcode barcode = new Barcode("demo", "demo");
			barcode.Symbology = SymbologyType.I2of5;
			barcode.NarrowBarWidth = 2;
			barcode.DrawCaption = false;

			int cardIndex = 0;

			// Create bitmap for the page
			Bitmap pageBitmap = new Bitmap((int) (PaperSize.Width * PrintingResolution), (int) (PaperSize.Height * PrintingResolution));
			pageBitmap.SetResolution(PrintingResolution, PrintingResolution);

			using (Graphics pageCanvas = 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 (int row = 0; row < 4; row++)
				{
					for (int column = 0; column < 4; column++)
					{
						// Create bitmap for card
						Bitmap cardBitmap = new Bitmap((int) (cardSize.Width * PrintingResolution), (int) cardSize.Height * PrintingResolution);
						cardBitmap.SetResolution(PrintingResolution, PrintingResolution);

						using (Graphics cardCanvas = 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;

							StringFormat 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 = barcode.ResolutionY = PrintingResolution;
							barcode.FitInto(cardSize.Width, 0.5f, UnitOfMeasure.Inch);
							Image 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);
						}

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

						cardIndex++;
					}
				}
			}

			return pageBitmap;
		}
	}
}

ON-PREMISE OFFLINE SDK

60 Day Free Trial or Visit ByteScout Barcode SDK Home Page

Explore ByteScout Barcode SDK Documentation

Explore Samples

Sign Up for ByteScout Barcode SDK Online Training

ON-DEMAND REST WEB API

Get Your API Key

Explore Web API Docs

Explore Web API Samples

Program.cs

      using System;
using System.Windows.Forms;

namespace PrintLabels
{
	static class Program
	{
		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main()
		{
			Application.EnableVisualStyles();
			Application.SetCompatibleTextRenderingDefault(false);
			Application.Run(new Form1());
		}
	}
}