using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using DevExpress.XtraEditors.DXErrorProvider;

using DevExpress.XtraEditors.Controls;

using System.Text.RegularExpressions;

namespace DevDemo

{

    public partial class LoginForm : Form

    {

        public LoginForm()

        {

            InitializeComponent();

            InitValidationMode();

        }

        private void InitValidationMode()

        {

            CustomValidationRule rule = new CustomValidationRule();

            rule.ErrorText = "用户登录代码只能是8位长，并且前两位是字符，后面是数字";

            rule.ErrorType = ErrorType.Critical;

            //绑定验证控件

            vpMain.SetValidationRule(txtUserName, rule);

        }

        private void btnLogin_Click(object sender, EventArgs e)

        {

            vpMain.Validate();

            if (txtUserName.Text == "vp123456" && txtPassword.Text == MD5("aaaaaa"))

            {

                this.Hide();

                MainForm m = new MainForm();

                m.Show();

            }

        }

        private string MD5(string str)

        {

            return str;

        }

    }

    #region CustomValidationRule

    // <customTextEdit>

    public class CustomValidationRule : ValidationRule

    {

        public override bool Validate(Control control, object value)

        {

            string parttern = @"^[\w\W]{2}\d{6}$";

            bool res = false;

            res = Regex.IsMatch(value.ToString(), parttern);

            return res;

        }

    }

    #endregion

}

namespace DevDemo

{

    partial class LoginForm

    {

        /// <summary>

        /// Required designer variable.

        /// </summary>

        private System.ComponentModel.IContainer components = null;

        /// <summary>

        /// Clean up any resources being used.

        /// </summary>

        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>

        protected override void Dispose(bool disposing)

        {

            if (disposing && (components != null))

            {

                components.Dispose();

            }

            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.components = new System.ComponentModel.Container();

            this.btnLogin = new DevExpress.XtraEditors.SimpleButton();

            this.lblUserName = new DevExpress.XtraEditors.LabelControl();

            this.lblPassword = new DevExpress.XtraEditors.LabelControl();

            this.txtUserName = new DevExpress.XtraEditors.TextEdit();

            this.vpMain = new DevExpress.XtraEditors.DXErrorProvider.DXValidationProvider(this.components);

            this.txtPassword = new DevExpress.XtraEditors.TextEdit();

            ((System.ComponentModel.ISupportInitialize)(this.txtUserName.Properties)).BeginInit();

            ((System.ComponentModel.ISupportInitialize)(this.vpMain)).BeginInit();

            ((System.ComponentModel.ISupportInitialize)(this.txtPassword.Properties)).BeginInit();

            this.SuspendLayout();

            //

            // btnLogin

            //

            this.btnLogin.Location = new System.Drawing.Point(, );

            this.btnLogin.Name = "btnLogin";

            this.btnLogin.Size = new System.Drawing.Size(, );

            this.btnLogin.TabIndex = ;

            this.btnLogin.Text = "登录";

            this.btnLogin.Click += new System.EventHandler(this.btnLogin_Click);

            //

            // lblUserName

            //

            this.lblUserName.Location = new System.Drawing.Point(, );

            this.lblUserName.Name = "lblUserName";

            this.lblUserName.Size = new System.Drawing.Size(, );

            this.lblUserName.TabIndex = ;

            this.lblUserName.Text = "用户名";

            //

            // lblPassword

            //

            this.lblPassword.Location = new System.Drawing.Point(, );

            this.lblPassword.Name = "lblPassword";

            this.lblPassword.Size = new System.Drawing.Size(, );

            this.lblPassword.TabIndex = ;

            this.lblPassword.Text = "密    码";

            //

            // txtUserName

            //

            this.vpMain.SetIconAlignment(this.txtUserName, System.Windows.Forms.ErrorIconAlignment.MiddleRight);

            this.txtUserName.Location = new System.Drawing.Point(, );

            this.txtUserName.Name = "txtUserName";

            this.txtUserName.Size = new System.Drawing.Size(, );

            this.txtUserName.TabIndex = ;

            //

            // txtPassword

            //

            this.vpMain.SetIconAlignment(this.txtPassword, System.Windows.Forms.ErrorIconAlignment.MiddleRight);

            this.txtPassword.Location = new System.Drawing.Point(, );

            this.txtPassword.Name = "txtPassword";

            this.txtPassword.Properties.PasswordChar = '*';

            this.txtPassword.Size = new System.Drawing.Size(, );

            this.txtPassword.TabIndex = ;

            //

            // LoginForm

            //

            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);

            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;

            this.ClientSize = new System.Drawing.Size(, );

            this.Controls.Add(this.txtPassword);

            this.Controls.Add(this.txtUserName);

            this.Controls.Add(this.lblPassword);

            this.Controls.Add(this.lblUserName);

            this.Controls.Add(this.btnLogin);

            this.Name = "LoginForm";

            this.Text = "登陆";

            ((System.ComponentModel.ISupportInitialize)(this.txtUserName.Properties)).EndInit();

            ((System.ComponentModel.ISupportInitialize)(this.vpMain)).EndInit();

            ((System.ComponentModel.ISupportInitialize)(this.txtPassword.Properties)).EndInit();

            this.ResumeLayout(false);

            this.PerformLayout();

        }

        #endregion

        private DevExpress.XtraEditors.SimpleButton btnLogin;

        private DevExpress.XtraEditors.LabelControl lblUserName;

        private DevExpress.XtraEditors.LabelControl lblPassword;

        private DevExpress.XtraEditors.TextEdit txtUserName;

        private DevExpress.XtraEditors.DXErrorProvider.DXValidationProvider vpMain;

        private DevExpress.XtraEditors.TextEdit txtPassword;

    }

}

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