Controls in .Net Framework之DomainUpDown Control

The DomainUpDown Control

  1 using  System;
  2 using  System.Drawing;
  3 using  System.Collections;
  4 using  System.Windows.Forms;
  5 using  System.Data;
  6
  7 namespace  NETCFDevelopersReference
  8 {
  9    /**//// <summary>
 10    /// Summary description for Form1.
 11    /// </summary>
 12    public class Form1 : System.Windows.Forms.Form
 13    {
 14        private System.Windows.Forms.DomainUpDown domainUpDown1;
 15        private System.Windows.Forms.Label label1;
 16        private System.Windows.Forms.Label label2;
 17        private System.Windows.Forms.MainMenu mainMenu1;
 18
 19        public Form1()
 20        {
 21            //
 22            // Required for Windows Form Designer support
 23            //
 24            InitializeComponent();
 25
 26            //
 27            // TODO: Add any constructor code after InitializeComponent call
 28            //
 29        }
 30        /**//// <summary>
 31        /// Clean up any resources being used.
 32        /// </summary>
 33        protected override void Dispose( bool disposing )
 34        {
 35            base.Dispose( disposing );
 36        }
 37        Windows Form Designer generated code#region Windows Form Designer generated code
 38        /**//// <summary>
 39        /// Required method for Designer support - do not modify
 40        /// the contents of this method with the code editor.
 41        /// </summary>
 42        private void InitializeComponent()
 43        {
 44            this.mainMenu1 = new System.Windows.Forms.MainMenu();
 45            this.domainUpDown1 = new System.Windows.Forms.DomainUpDown();
 46            this.label1 = new System.Windows.Forms.Label();
 47            this.label2 = new System.Windows.Forms.Label();
 48            // 
 49            // domainUpDown1
 50            // 
 51            this.domainUpDown1.Location = new System.Drawing.Point(64, 96);
 52            this.domainUpDown1.ReadOnly = true;
 53            this.domainUpDown1.Size = new System.Drawing.Size(136, 20);
 54            this.domainUpDown1.SelectedItemChanged += new System.EventHandler(this.domainUpDown1_SelectedItemChanged);
 55            // 
 56            // label1
 57            // 
 58            this.label1.Location = new System.Drawing.Point(64, 136);
 59            this.label1.Text = "label1";
 60            // 
 61            // label2
 62            // 
 63            this.label2.Location = new System.Drawing.Point(64, 176);
 64            this.label2.Text = "label2";
 65            // 
 66            // Form1
 67            // 
 68            this.ClientSize = new System.Drawing.Size(240, 270);
 69            this.Controls.Add(this.label2);
 70            this.Controls.Add(this.label1);
 71            this.Controls.Add(this.domainUpDown1);
 72            this.Menu = this.mainMenu1;
 73            this.MinimizeBox = false;
 74            this.Text = "Form1";
 75            this.Load += new System.EventHandler(this.Form1_Load);
 76
 77        }
 78        #endregion
 79
 80        /**//// <summary>
 81        /// The main entry point for the application.
 82        /// </summary>
 83
 84        static void Main() 
 85        {
 86            Application.Run(new Form1());
 87        }
 88
 89        private void Form1_Load(object sender, System.EventArgs e)
 90        {
 91            domainUpDown1.Items.Add("Item 1");
 92            domainUpDown1.Items.Add("Item 2");
 93            domainUpDown1.Items.Add("Item 3");
 94            domainUpDown1.Items.Add("Item 4");    
 95            domainUpDown1.ReadOnly = false;
 96        }
 97
 98        private void domainUpDown1_SelectedItemChanged(object sender, System.EventArgs e)
 99        {
100            label1.Text = domainUpDown1.SelectedIndex.ToString();
101            label2.Text = domainUpDown1.Items[domainUpDown1.SelectedIndex].ToString();
102        }
103    }
104}
105