How to create Image Viewer in Microsoft Visual Studio using C#

In this project we will learn to create an Image Viewer using C#

Steps

1. Open Visual Studio
2. Create New Project. Click on File and select New Project or Press: Ctrl+Shift+N
3. Under Templates select Visual C# and then select Windows Form Application. Name the project ImageViewer and click OK
4. Click on the Form and name it ImageViewer
5. From Toolbox drag a MenuStrip on the form
6. Create a File Menu having
   Open
   Save As
   Exit
7. From the Toolbox drag a PictureBox on the form and Dock it
8. Open code

Form1.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace ImageViewer
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void openToolStripMenuItem_Click(object sender, EventArgs e)
        {
            OpenFileDialog ofd = new OpenFileDialog();
            ofd.Filter = "jpg (*.jpg)|*.jpg|bmp (*.bmp)|*.bmp|png (*.png)|*.png";

            if (ofd.ShowDialog() == DialogResult.OK && ofd.FileName.Length > 0)
            {
                pictureBox1.SizeMode = PictureBoxSizeMode.Zoom;
                pictureBox1.Image = Image.FromFile(ofd.FileName);
            }
        }

        private void saveAsToolStripMenuItem_Click(object sender, EventArgs e)
        {
            SaveFileDialog sfd = new SaveFileDialog();
            sfd.Filter = "jpg (*.jpg)|*.jpg|bmp (*.bmp)|*.bmp|png (*.png)|*.png";

            if (sfd.ShowDialog() == DialogResult.OK && sfd.FileName.Length > 0)
            {
                pictureBox1.Image.Save(sfd.FileName);
            }
        }

        private void exitToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }
    }
}

Form1.Designer.cs

namespace ImageViewer
{
    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()
        {
            this.menuStrip1 = new System.Windows.Forms.MenuStrip();
            this.fileToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.openToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.saveAsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.exitToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.pictureBox1 = new System.Windows.Forms.PictureBox();
            this.menuStrip1.SuspendLayout();
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit();
            this.SuspendLayout();
            // 
            // menuStrip1
            // 
            this.menuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.fileToolStripMenuItem});
            this.menuStrip1.Location = new System.Drawing.Point(0, 0);
            this.menuStrip1.Name = "menuStrip1";
            this.menuStrip1.Size = new System.Drawing.Size(284, 24);
            this.menuStrip1.TabIndex = 0;
            this.menuStrip1.Text = "menuStrip1";
            // 
            // fileToolStripMenuItem
            // 
            this.fileToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.openToolStripMenuItem,
            this.saveAsToolStripMenuItem,
            this.exitToolStripMenuItem});
            this.fileToolStripMenuItem.Name = "fileToolStripMenuItem";
            this.fileToolStripMenuItem.Size = new System.Drawing.Size(37, 20);
            this.fileToolStripMenuItem.Text = "File";
            // 
            // openToolStripMenuItem
            // 
            this.openToolStripMenuItem.Name = "openToolStripMenuItem";
            this.openToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
            this.openToolStripMenuItem.Text = "Open";
            this.openToolStripMenuItem.Click += new System.EventHandler(this.openToolStripMenuItem_Click);
            // 
            // saveAsToolStripMenuItem
            // 
            this.saveAsToolStripMenuItem.Name = "saveAsToolStripMenuItem";
            this.saveAsToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
            this.saveAsToolStripMenuItem.Text = "Save As";
            this.saveAsToolStripMenuItem.Click += new System.EventHandler(this.saveAsToolStripMenuItem_Click);
            // 
            // exitToolStripMenuItem
            // 
            this.exitToolStripMenuItem.Name = "exitToolStripMenuItem";
            this.exitToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
            this.exitToolStripMenuItem.Text = "Exit";
            this.exitToolStripMenuItem.Click += new System.EventHandler(this.exitToolStripMenuItem_Click);
            // 
            // pictureBox1
            // 
            this.pictureBox1.Dock = System.Windows.Forms.DockStyle.Fill;
            this.pictureBox1.Location = new System.Drawing.Point(0, 24);
            this.pictureBox1.Name = "pictureBox1";
            this.pictureBox1.Size = new System.Drawing.Size(284, 238);
            this.pictureBox1.TabIndex = 1;
            this.pictureBox1.TabStop = false;
            // 
            // Form1
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(284, 262);
            this.Controls.Add(this.pictureBox1);
            this.Controls.Add(this.menuStrip1);
            this.MainMenuStrip = this.menuStrip1;
            this.Name = "Form1";
            this.Text = "ImageViewer";
            this.menuStrip1.ResumeLayout(false);
            this.menuStrip1.PerformLayout();
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit();
            this.ResumeLayout(false);
            this.PerformLayout();

        }

        #endregion

        private System.Windows.Forms.MenuStrip menuStrip1;
        private System.Windows.Forms.ToolStripMenuItem fileToolStripMenuItem;
        private System.Windows.Forms.ToolStripMenuItem openToolStripMenuItem;
        private System.Windows.Forms.ToolStripMenuItem saveAsToolStripMenuItem;
        private System.Windows.Forms.ToolStripMenuItem exitToolStripMenuItem;
        private System.Windows.Forms.PictureBox pictureBox1;
    }
}