using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; public class Test { static void Main() { System.Windows.Forms.ColorDialog colorDlg = new System.Windows.Forms.ColorDialog(); colorDlg.AnyColor = true; colorDlg.ShowHelp = true; if (colorDlg.ShowDialog() != DialogResult.Cancel) { string strARGB = colorDlg.Color.ToString(); Console.WriteLine(strARGB); } } }