C# Working of Dialog Boxes

Dialog boxes are used to gather input from users. You can create your own dialog boxes or use the built-in dialog boxes, such as the FolderBrowserDialog and FontDialog.Here i am going to show you how to create dialog boxes and use common built-in dialog boxes in your programs.

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using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.IO;

using System.Windows.Forms;

namespace dialogs

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private void openToolStripMenuItem1_Click(object sender, EventArgs e)

        {

            // working of openFileDialog

            openFileDialog1.Filter = "Jpeg Image|*.jpg|Bitmap|*.gif";

            openFileDialog1.Title = "Open an Image File";

            openFileDialog1.FileName = "";

            openFileDialog1.ShowDialog();

            pictureBox1.ImageLocation = openFileDialog1.FileName;

        }

        private void fontToolStripMenuItem_Click(object sender, EventArgs e)

        {

            // working of fontDialog

            fontDialog1.ShowDialog();

            label1.Font = fontDialog1.Font;

        }

        private void colorToolStripMenuItem_Click(object sender, EventArgs e)

        {

            // working of colorDialog

            colorDialog1.ShowDialog();

            label1.ForeColor = colorDialog1.Color;

        }

        private void textBox1_MouseClick(object sender, MouseEventArgs e)

        {

            // for reset the textbox text on mouse click

            textBox1.Text = "";

        }

        private void textBox1_TextChanged(object sender, EventArgs e)

        {

            // which we write in textbox will show on label

            if (textBox1.Text != "")

            label1.Text = textBox1.Text;

        }

        private void saveToolStripMenuItem_Click(object sender, EventArgs e)

        {

            // working of saveFileDialog

            try

            {

                saveFileDialog1.FileName = "*.jpg";

                saveFileDialog1.ShowDialog();

                pictureBox1.Image.Save(saveFileDialog1.FileName);

            }

            catch

            {

                MessageBox.Show(" Image not save");

            }

        }

        private void exitToolStripMenuItem1_Click(object sender, EventArgs e)

        {

            // working folderBrowserDialog

            DialogResult result = folderBrowserDialog1.ShowDialog();

            if (result == DialogResult.OK)

            {

                // The user selected a folder and pressed the OK button.             

              textBox2.Text = folderBrowserDialog1.SelectedPath;

              foreach (string file in Directory.GetFiles(textBox2.Text))

               {

                   //Add file in comboBox.

                   comboBox1.Items.Add(file);

               }           

            }          

        }

        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)

        {

            // set images in pictureBox which is selected from combobox

            pictureBox1.ImageLocation = comboBox1.Text;

        } 

    }

}

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