C# Color Dialog Box

There are several classes that implement common dialog boxes, such as color selection , print setup etc.

A ColorDialog object is a dialog box with a list of colors that are defined for the display system. The user can select or create a particular color from the list, which is then reported back to the application when the dialog box exits. You can invite a color dialog box by calling ShowDialog() method.

ColorDialog dlg = new ColorDialog();
dlg.ShowDialog();

The following C# program invites a color dialog box and retrieve the selected color to a string.

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using System;
using System.Drawing;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            ColorDialog dlg = new ColorDialog();
            dlg.ShowDialog();

            if (dlg.ShowDialog() == DialogResult.OK)
            {
                string str = null;
                str = dlg.Color.Name;
                MessageBox.Show (str);
            }
        }
    }
}