MaskedTextBox 控件

源码：WebCast20070601_Demo.zip

					

//---------------------------------------------------------------------

//  This file is part of the Microsoft .NET Framework SDK Code Samples.

// 

//  Copyright (C) Microsoft Corporation.  All rights reserved.

// 

//This source code is intended only as a supplement to Microsoft

//Development Tools and/or on-line documentation.  See these other

//materials for detailed information regarding Microsoft code samples.

// 

//THIS CODE AND INFORMATION ARE PROVIDED AS IS WITHOUT WARRANTY OF ANY

//KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE

//IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A

//PARTICULAR PURPOSE.

//---------------------------------------------------------------------



using System;

using System.Drawing;

using System.Collections;

using System.ComponentModel;

using System.Windows.Forms;

using System.Data;

using System.Reflection;

using System.IO;

using Microsoft.VisualBasic;

using System.Globalization;



namespace Microsoft.Samples

{

    /// <summary>

    /// Summary description for form.

    /// </summary>

    public partial class Form1 : System.Windows.Forms.Form

    {

        /// <summary>

        /// Required designer variable.

        /// </summary>

        private System.ComponentModel.IContainer components = null;

        private IPv5 ip;



        private static uint logCount = 1;



        public Form1()

        {

            InitializeComponent();

        }



        // Event handlers

        private void Form1_Load(object sender, System.EventArgs e)

        {

            // Add items to the ComboBoxes

            this.promptCharComboBox.Items.AddRange(new object[] {

            "_",

            " ",

            "$",

            "#",

            "N",

            "A"});



            this.passwordCharCombo.Items.AddRange(new object[] {

            " ",

            "*",

            "#",

            "^",

            "P",

            "O"});



			this.textMaskFormatComboBox.Items.AddRange(Enum.GetNames(typeof(MaskFormat)));

			this.copyMaskFormatComboBox.Items.AddRange(Enum.GetNames(typeof(MaskFormat)));



            // Sync up properties UI to MaskedTextBox

            SyncUIToControl();



            // Setup MaskedTextBox validating type

            this.maskedTextBox1.ValidatingType = typeof(IPv5);



            // Bind outPutTextBox.Text to MaskedTextBox.Text

            this.outputTextBox.DataBindings.Add(new Binding("Text", this.maskedTextBox1, "Text", false, DataSourceUpdateMode.OnPropertyChanged, CultureInfo.CurrentCulture));

        }



        private void maskedTextBox1_MaskInputRejected(object sender, System.Windows.Forms.MaskInputRejectedEventArgs e)

        {

            AppendLog("Mask input rejected at position: " + e.Position.ToString(CultureInfo.CurrentCulture));

            this.eventLogTextBox.ScrollToCaret();

        }



        private void maskedTextBox1_TypeValidationCompleted(object sender, System.Windows.Forms.TypeValidationEventArgs e)

        {

            if (e.IsValidInput)

            {

                AppendLog("Type validation succeeded.  Message: " + e.Message);

                ip = e.ReturnValue as IPv5;

            }

            else

            {

                ip = IPv5.InvalidIPv5;



                AppendLog("Type validation failed.  Message: " + e.Message);

                this.eventLogTextBox.ScrollToCaret();

            }

        }



        // Methods

        private void SyncUIToControl()

        {

            this.hidePromptOnLeaveCheckBox.Checked = this.maskedTextBox1.HidePromptOnLeave;

            this.useSystemPasswordCharCheckBox.Checked = this.maskedTextBox1.UseSystemPasswordChar;

            this.beepOnErrorCheckBox.Checked = this.maskedTextBox1.BeepOnError;

            

			this.passwordCharCombo.SelectedIndex = 0;

            this.promptCharComboBox.SelectedIndex = 0;

			this.textMaskFormatComboBox.SelectedIndex = 3;

			this.copyMaskFormatComboBox.SelectedIndex = 3;



            // Set the Insert key mode checkbox

			this.maskedTextBox1.InsertKeyMode = InsertKeyMode.Insert;

            this.insertKeyModeCheckBox.Checked = true;

            

            // Set read only properties 

            this.maskCompletedStatusStripPanel.Text = "Mask Completed: " + this.maskedTextBox1.MaskCompleted.ToString();

            this.maskFullStatusStripPanel.Text = "Mask Full: " + this.maskedTextBox1.MaskFull.ToString();

        }



        private void maskedTextBox1_TextChanged(object sender, System.EventArgs e)

        {

            this.maskCompletedStatusStripPanel.Text = "Mask Completed: " + this.maskedTextBox1.MaskCompleted.ToString();

            this.maskFullStatusStripPanel.Text = "Mask Full: " + this.maskedTextBox1.MaskFull.ToString();

        }



        private void propertyCheckBox_CheckedChanged(object sender, System.EventArgs e)

        {

            // Cast the sender to a CheckBox

            CheckBox cb = sender as CheckBox;



            // Make sure we don't have a null ref

            if (cb != null)

            {

                // Switch on the CheckBoxes name and 

                // set the corresponding property value

                switch (cb.Name)

                {

                    case "hidePromptOnLeaveCheckBox":

                        this.maskedTextBox1.HidePromptOnLeave = cb.Checked;

                        break;

                    case "includeLiteralsCheckBox":

						this.maskedTextBox1.SkipLiterals = cb.Checked;

                        break;

                    case "includePromptCheckBox":

						this.maskedTextBox1.AllowPromptAsInput = cb.Checked;

                        break;

                    case "useSystemPasswordCharCheckBox":

                        this.maskedTextBox1.UseSystemPasswordChar = cb.Checked;

                        break;

                    case "beepOnErrorCheckBox":

                        this.maskedTextBox1.BeepOnError = cb.Checked;

                        break;

                    case "insertKeyModeCheckBox":

						if (cb.Checked)

						{

							this.maskedTextBox1.InsertKeyMode = InsertKeyMode.Insert;

						}

						else

						{

							this.maskedTextBox1.InsertKeyMode = InsertKeyMode.Overwrite;

						}

                        break;

                }

            }

        }



        private void passwordCharCombo_SelectedIndexChanged(object sender, System.EventArgs e)

        {

            try

            {

                // Set the PasswordChar

                char pwdChar = this.passwordCharCombo.SelectedItem.ToString().ToCharArray()[0];



                // Special case a space as the null char

                if( pwdChar == ' ')

                {

                    pwdChar = '\0';

                }



                this.maskedTextBox1.PasswordChar = pwdChar;

            }

            catch(InvalidOperationException ex )

            {

                MessageBox.Show( ex.Message );

                this.passwordCharCombo.SelectedIndex = 0;

            }

        }



        private void promptCharComboBox_SelectedIndexChanged(object sender, System.EventArgs e)

        {

            try

            {

                // Set the PromptChar 

                this.maskedTextBox1.PromptChar = this.promptCharComboBox.SelectedItem.ToString().ToCharArray()[0];

            }

            catch (InvalidOperationException ex)

            {

                MessageBox.Show(ex.Message);

                this.promptCharComboBox.SelectedIndex = 0;

            }

        }



		private void textMaskFormatComboBox_SelectedIndexChanged(object sender, EventArgs e)

		{

			this.maskedTextBox1.TextMaskFormat = (MaskFormat)Enum.Parse(typeof(MaskFormat), this.textMaskFormatComboBox.SelectedItem.ToString());

		}



		private void copyMaskFormatComboBox_SelectedIndexChanged(object sender, EventArgs e)

		{

			this.maskedTextBox1.CutCopyMaskFormat = (MaskFormat)Enum.Parse(typeof(MaskFormat), this.textMaskFormatComboBox.SelectedItem.ToString());

		}



        private void button1_Click(object sender, System.EventArgs e)

        {

            MessageBox.Show("IP Address: " + ip.ToString(), "MaskedTextBox.Value", MessageBoxButtons.OK);

        }



        private void AppendLog(string msg)

        {

            this.eventLogTextBox.AppendText(logCount + ". " + msg + "\r\n");

            logCount++;

		}

    }

}