myaddress.cs

Windows Mobile平台应用与开发 书中c＃源码

//-----------------------------------------------------------------------------
// Code from _Programming the .NET Compact Framework with C#_
// and _Programming the .NET Compact Framework with VB_
// (c) Copyright 2002-2004 Paul Yao and David Durant. 
// All rights reserved.
//-----------------------------------------------------------------------------

using System;
using System.Drawing;
using System.Collections;
using System.Windows.Forms;
using System.Data;

namespace MyAddress
{
	/// <summary>
	/// Summary description for FormMain.
	/// </summary>
	public class FormMain : System.Windows.Forms.Form
	{
      private System.Windows.Forms.Label label1;
      private System.Windows.Forms.TextBox tboxName;
      private System.Windows.Forms.Label label2;
      private System.Windows.Forms.TextBox tboxAddr1;
      private System.Windows.Forms.TextBox tboxAddr2;
      private System.Windows.Forms.ComboBox cboxCountry;
      private System.Windows.Forms.Label label3;
      private System.Windows.Forms.TextBox tboxPostalCode;
      private System.Windows.Forms.Label label4;
      private System.Windows.Forms.TextBox tboxCity;
      private System.Windows.Forms.Label label5;
      private System.Windows.Forms.TextBox tboxStateProvince;
      private System.Windows.Forms.Button cmdSave;
      private System.Windows.Forms.Button cmdClear;
		private System.Windows.Forms.MainMenu mainMenu1;

		public FormMain()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}
		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			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.mainMenu1 = new System.Windows.Forms.MainMenu();
         this.label1 = new System.Windows.Forms.Label();
         this.tboxName = new System.Windows.Forms.TextBox();
         this.label2 = new System.Windows.Forms.Label();
         this.tboxAddr1 = new System.Windows.Forms.TextBox();
         this.tboxAddr2 = new System.Windows.Forms.TextBox();
         this.cboxCountry = new System.Windows.Forms.ComboBox();
         this.label3 = new System.Windows.Forms.Label();
         this.tboxPostalCode = new System.Windows.Forms.TextBox();
         this.label4 = new System.Windows.Forms.Label();
         this.tboxCity = new System.Windows.Forms.TextBox();
         this.label5 = new System.Windows.Forms.Label();
         this.tboxStateProvince = new System.Windows.Forms.TextBox();
         this.cmdSave = new System.Windows.Forms.Button();
         this.cmdClear = new System.Windows.Forms.Button();
         // 
         // label1
         // 
         this.label1.Font = new System.Drawing.Font("Tahoma", 10F, System.Drawing.FontStyle.Regular);
         this.label1.Location = new System.Drawing.Point(8, 12);
         this.label1.Size = new System.Drawing.Size(56, 20);
         this.label1.Text = "Name:";
         this.label1.TextAlign = System.Drawing.ContentAlignment.TopRight;
         // 
         // tboxName
         // 
         this.tboxName.Font = new System.Drawing.Font("Tahoma", 10F, System.Drawing.FontStyle.Regular);
         this.tboxName.Location = new System.Drawing.Point(80, 8);
         this.tboxName.Size = new System.Drawing.Size(144, 28);
         this.tboxName.Text = "Mr. Our Visitor";
         // 
         // label2
         // 
         this.label2.Font = new System.Drawing.Font("Tahoma", 10F, System.Drawing.FontStyle.Regular);
         this.label2.Location = new System.Drawing.Point(0, 44);
         this.label2.Size = new System.Drawing.Size(72, 20);
         this.label2.Text = "Address:";
         this.label2.TextAlign = System.Drawing.ContentAlignment.TopRight;
         // 
         // tboxAddr1
         // 
         this.tboxAddr1.Font = new System.Drawing.Font("Tahoma", 10F, System.Drawing.FontStyle.Regular);
         this.tboxAddr1.Location = new System.Drawing.Point(80, 40);
         this.tboxAddr1.Size = new System.Drawing.Size(144, 28);
         this.tboxAddr1.Text = "1212 Visitor Home Ave.";
         // 
         // tboxAddr2
         // 
         this.tboxAddr2.Font = new System.Drawing.Font("Tahoma", 10F, System.Drawing.FontStyle.Regular);
         this.tboxAddr2.Location = new System.Drawing.Point(80, 72);
         this.tboxAddr2.Size = new System.Drawing.Size(144, 28);
         this.tboxAddr2.Text = "Suite 12";
         // 
         // cboxCountry
         // 
         this.cboxCountry.Font = new System.Drawing.Font("Tahoma", 10F, System.Drawing.FontStyle.Regular);
         this.cboxCountry.Items.Add("(Choose country)");
         this.cboxCountry.Items.Add("Canada");
         this.cboxCountry.Items.Add("Mexico");
         this.cboxCountry.Items.Add("Singapore");
         this.cboxCountry.Location = new System.Drawing.Point(48, 104);
         this.cboxCountry.Size = new System.Drawing.Size(176, 29);
         this.cboxCountry.SelectedIndexChanged += new System.EventHandler(this.cboxCountry_SelectedIndexChanged);
         // 
         // label3
         // 
         this.label3.Font = new System.Drawing.Font("Tahoma", 10F, System.Drawing.FontStyle.Regular);
         this.label3.Location = new System.Drawing.Point(16, 138);
         this.label3.Size = new System.Drawing.Size(104, 24);
         this.label3.Text = "Postal Code:";
         this.label3.TextAlign = System.Drawing.ContentAlignment.TopRight;
         // 
         // tboxPostalCode
         // 
         this.tboxPostalCode.Font = new System.Drawing.Font("Tahoma", 10F, System.Drawing.FontStyle.Regular);
         this.tboxPostalCode.Location = new System.Drawing.Point(128, 136);
         this.tboxPostalCode.Size = new System.Drawing.Size(56, 28);
         this.tboxPostalCode.Text = "";
         this.tboxPostalCode.TextChanged += new System.EventHandler(this.tboxPostalCode_TextChanged);
         // 
         // label4
         // 
         this.label4.Font = new System.Drawing.Font("Tahoma", 10F, System.Drawing.FontStyle.Regular);
         this.label4.Location = new System.Drawing.Point(80, 170);
         this.label4.Size = new System.Drawing.Size(40, 24);
         this.label4.Text = "City:";
         this.label4.TextAlign = System.Drawing.ContentAlignment.TopRight;
         // 
         // tboxCity
         // 
         this.tboxCity.Font = new System.Drawing.Font("Tahoma", 10F, System.Drawing.FontStyle.Regular);
         this.tboxCity.Location = new System.Drawing.Point(128, 168);
         this.tboxCity.Size = new System.Drawing.Size(96, 28);
         this.tboxCity.Text = "";
         // 
         // label5
         // 
         this.label5.Font = new System.Drawing.Font("Tahoma", 10F, System.Drawing.FontStyle.Regular);
         this.label5.Location = new System.Drawing.Point(0, 200);
         this.label5.Size = new System.Drawing.Size(120, 20);
         this.label5.Text = "State/Province:";
         this.label5.TextAlign = System.Drawing.ContentAlignment.TopRight;
         // 
         // tboxStateProvince
         // 
         this.tboxStateProvince.Font = new System.Drawing.Font("Tahoma", 10F, System.Drawing.FontStyle.Regular);
         this.tboxStateProvince.Location = new System.Drawing.Point(128, 200);
         this.tboxStateProvince.Size = new System.Drawing.Size(96, 28);
         this.tboxStateProvince.Text = "";
         // 
         // cmdSave
         // 
         this.cmdSave.Font = new System.Drawing.Font("Tahoma", 12F, System.Drawing.FontStyle.Regular);
         this.cmdSave.Location = new System.Drawing.Point(32, 232);
         this.cmdSave.Size = new System.Drawing.Size(72, 32);
         this.cmdSave.Text = "&Save";
         this.cmdSave.Click += new System.EventHandler(this.cmdSave_Click);
         // 
         // cmdClear
         // 
         this.cmdClear.Font = new System.Drawing.Font("Tahoma", 12F, System.Drawing.FontStyle.Regular);
         this.cmdClear.Location = new System.Drawing.Point(120, 232);
         this.cmdClear.Size = new System.Drawing.Size(72, 32);
         this.cmdClear.Text = "&Clear";
         this.cmdClear.Click += new System.EventHandler(this.cmdClear_Click);
         // 
         // FormMain
         // 
         this.Controls.Add(this.cmdClear);
         this.Controls.Add(this.cmdSave);
         this.Controls.Add(this.tboxStateProvince);
         this.Controls.Add(this.label5);
         this.Controls.Add(this.tboxCity);
         this.Controls.Add(this.label4);
         this.Controls.Add(this.tboxPostalCode);
         this.Controls.Add(this.label3);
         this.Controls.Add(this.cboxCountry);
         this.Controls.Add(this.tboxAddr2);
         this.Controls.Add(this.tboxAddr1);
         this.Controls.Add(this.label2);
         this.Controls.Add(this.tboxName);
         this.Controls.Add(this.label1);
         this.Menu = this.mainMenu1;
         this.MinimizeBox = false;
         this.Text = "MyAddress";
         this.Load += new System.EventHandler(this.FormMain_Load);

      }
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>

		static void Main() 
		{
			Application.Run(new FormMain());
		}

      private string strAppName = "MyAddress";
      private MyAddress.PostalCodeTextBox mytboxPostalCode;

      private void FormMain_Load(object sender, System.EventArgs e)
      {
         // Start with first item selected.
         cboxCountry.SelectedIndex = 0;

         // Create custom control using same attributes as designer control
         mytboxPostalCode = new PostalCodeTextBox();
         mytboxPostalCode.Font = new System.Drawing.Font("Tahoma", 10F, System.Drawing.FontStyle.Regular);
         mytboxPostalCode.Location = tboxPostalCode.Location;
         mytboxPostalCode.Size = tboxPostalCode.Size;
         mytboxPostalCode.Text = tboxPostalCode.Text;
         //mytboxPostalCode.TextChanged += new System.EventHandler(this.tboxPostalCode_TextChanged);
         mytboxPostalCode.PostalCodeChanged +=new EventHandler(mytboxPostalCode_PostalCodeChanged);

         // Delete designer control; add custom control
         Controls.Remove(tboxPostalCode);
         Controls.Add(mytboxPostalCode);
      }

      private void cmdSave_Click(object sender, System.EventArgs e)
      {
         string strSummary = tboxName.Text + "\n" + 
            tboxAddr1.Text + "\n" +
            tboxAddr2.Text + "\n" +
            tboxCity.Text + "," + tboxStateProvince.Text + "  " + mytboxPostalCode.Text + "\n" +
            cboxCountry.SelectedItem;
            
         MessageBox.Show(strSummary, "Saved");
            
      }

      private void cmdClear_Click(object sender, System.EventArgs e)
      {
         //tboxName.Text = string.Empty;
         //tboxAddr1.Text = string.Empty;
         //tboxAddr2.Text = string.Empty;
         tboxCity.Text = string.Empty;
         tboxStateProvince.Text = string.Empty;
         mytboxPostalCode.Text = string.Empty;
         cboxCountry.SelectedIndex = 0;
      }

      private void 
      cboxCountry_SelectedIndexChanged(object sender, EventArgs e)
      {
         // Clear contents of city and state/province
         tboxCity.Text = string.Empty;
         tboxStateProvince.Text = string.Empty;

         // Check for selected country, and set postal code
         // properties accordingly
         // Canada - 
         // PC is letters & numbers w/a space (like V6C 1G8) 
         if (cboxCountry.SelectedItem.Equals("Canada"))
         {
            mytboxPostalCode.MaxLength = 7;
            mytboxPostalCode.AllowLetters = true;
            mytboxPostalCode.AllowSpace = true;
         }
         // Mexico - 5 digits 
         else if (cboxCountry.SelectedItem.Equals("Mexico"))
         {
            mytboxPostalCode.MaxLength = 5;
            mytboxPostalCode.AllowLetters = false;
            mytboxPostalCode.AllowSpace = false;
         }
         // Singapore - 6 digits
         else if (cboxCountry.SelectedItem.Equals("Singapore"))
         {
            mytboxPostalCode.MaxLength = 6;
            mytboxPostalCode.AllowLetters = false;
            mytboxPostalCode.AllowSpace = false;
         }
         else if (cboxCountry.SelectedItem.Equals("(Choose country)"))
         {
         }
         else
         {
            MessageBox.Show("Unexpected country code: " + 
               cboxCountry.SelectedItem, strAppName);
         }

      } // method: cboxCountry_SelectedIndexChanged

      private void 
      tboxPostalCode_TextChanged(object sender, EventArgs e)
      {
         // Lookup city based on Zip Code
         if (cboxCountry.SelectedItem.Equals("Canada"))
         {
            if (mytboxPostalCode.Text.Length == 7)
            {
               tboxCity.Text = "Vancouver";
               tboxStateProvince.Text = "BC";
            }
         }
            // Mexico - 5 digits 
         else if (cboxCountry.SelectedItem.Equals("Mexico"))
         {
            if (mytboxPostalCode.Text.Length == 5)
            {
               tboxCity.Text = "Mexico";
               tboxStateProvince.Text = "D.F.";
            }
         }
            // Singapore - 6 digits
         else if (cboxCountry.SelectedItem.Equals("Singapore"))
         {
            if (mytboxPostalCode.Text.Length == 6)
            {
               tboxCity.Text = "Singapore";
               tboxStateProvince.Text = "Rep. of Singapore";
            }
         }
      
      } // method: cboxCountry_SelectedIndexChanged

      private void 
      mytboxPostalCode_PostalCodeChanged(object sender, EventArgs e)
      {
         tboxPostalCode_TextChanged(sender, e);
      }  // method: mytboxPostalCode_PostalCodeChanged

   } // class
} // namespace