String PM = Interaction.InputBox("請(qǐng)輸入密碼", "輸入密碼", "", 100, 100);
if (PM != "2222")
{
? ? MessageBox.Show("請(qǐng)輸入正確的密碼謝謝?。。。?！");
? ? return;
}

string inMsg = InputBox.ShowInputBox("請(qǐng)輸入管理員(admin)的密碼", string.Empty);
if (inMsg.Trim() != string.Empty)
{
? ? MessageBox.Show(inMsg);
}

using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
?
public class InputBox : System.Windows.Forms.Form
{
? ? private TextBox textBox_Data;
? ? private Button button_Enter;
? ? private Button button_Esc;
? ? private System.ComponentModel.Container components = null;
?
? ? private InputBox()
? ? {
? ? ? ? InitializeComponent();
? ? ? ? this.TopMost = true;
? ? ? ? //this.StartPosition = FormStartPosition.CenterScreen;
? ? ? ? //inputbox.Location.X = 0; inputbox.Location.Y = 0;
? ? ? ? //inputbox.StartPosition = FormStartPosition.CenterScreen;
? ? ? ? //inputbox.Left = 0;
? ? ? ? //inputbox.Top = 0;
? ? }
?
? ? protected override void Dispose(bool disposing)
? ? {
? ? ? ? if (disposing)
? ? ? ? {
? ? ? ? ? ? if (components != null)
? ? ? ? ? ? {
? ? ? ? ? ? ? ? components.Dispose();
? ? ? ? ? ? }
? ? ? ? }
? ? ? ? base.Dispose(disposing);
? ? }
?
? ? private void InitializeComponent()
? ? {
?
? ? ? ? this.textBox_Data = new System.Windows.Forms.TextBox();
? ? ? ? this.button_Enter = new System.Windows.Forms.Button();
? ? ? ? this.button_Esc = new System.Windows.Forms.Button();
? ? ? ? this.SuspendLayout();
? ? ? ? //?
? ? ? ? // textBox_Data
? ? ? ? //?
? ? ? ? this.textBox_Data.Location = new System.Drawing.Point(8, 8);
? ? ? ? this.textBox_Data.Name = "textBox_Data";
? ? ? ? this.textBox_Data.PasswordChar = '*';
? ? ? ? this.textBox_Data.Size = new System.Drawing.Size(230, 21);
? ? ? ? this.textBox_Data.TabIndex = 2;
? ? ? ? this.textBox_Data.KeyDown += new System.Windows.Forms.KeyEventHandler(this.textBox_Data_KeyDown);
? ? ? ? //?
? ? ? ? // button_Enter
? ? ? ? //?
? ? ? ? this.button_Enter.Location = new System.Drawing.Point(25, 43);
? ? ? ? this.button_Enter.Name = "button_Enter";
? ? ? ? this.button_Enter.Size = new System.Drawing.Size(75, 23);
? ? ? ? this.button_Enter.TabIndex = 3;
? ? ? ? this.button_Enter.Text = "確 認(rèn)";
? ? ? ? this.button_Enter.UseVisualStyleBackColor = true;
? ? ? ? this.button_Enter.Click += new System.EventHandler(this.button_Enter_Click);
? ? ? ? //?
? ? ? ? // button_Esc
? ? ? ? //?
? ? ? ? this.button_Esc.Location = new System.Drawing.Point(140, 43);
? ? ? ? this.button_Esc.Name = "button_Esc";
? ? ? ? this.button_Esc.Size = new System.Drawing.Size(75, 23);
? ? ? ? this.button_Esc.TabIndex = 4;
? ? ? ? this.button_Esc.Text = "取 消";
? ? ? ? this.button_Esc.UseVisualStyleBackColor = true;
? ? ? ? this.button_Esc.Click += new System.EventHandler(this.button_Esc_Click);
? ? ? ? //?
? ? ? ? // InputBox
? ? ? ? //?
? ? ? ? this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
? ? ? ? this.ClientSize = new System.Drawing.Size(250, 80);
? ? ? ? this.Controls.Add(this.button_Esc);
? ? ? ? this.Controls.Add(this.button_Enter);
? ? ? ? this.Controls.Add(this.textBox_Data);
? ? ? ? this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
? ? ? ? this.MaximizeBox = false;
? ? ? ? this.MinimizeBox = false;
? ? ? ? this.ControlBox = false;
? ? ? ? this.Name = "InputBox";
? ? ? ? this.Text = "InputBox";
? ? ? ? this.ResumeLayout(false);
? ? ? ? this.PerformLayout();
?
? ? }
?
? ? //對(duì)鍵盤進(jìn)行響應(yīng)
? ? private void textBox_Data_KeyDown(object sender, KeyEventArgs e)
? ? {
? ? ? ? if (e.KeyCode == Keys.Enter) { button_Enter_Click(sender, e); }
? ? ? ? else if (e.KeyCode == Keys.Escape) { button_Esc_Click(sender, e); }
? ? }
? ? private void button_Enter_Click(object sender, EventArgs e)
? ? {
? ? ? ? this.Close();
? ? }
? ? private void button_Esc_Click(object sender, EventArgs e)
? ? {
? ? ? ? textBox_Data.Text = string.Empty; this.Close();
? ? }
?
?
? ? //顯示InputBox
? ? public static string ShowInputBox(int Left, int Top, string Title, string Prompt, string DefaultResponse)
? ? {
? ? ? ? InputBox inputbox = new InputBox();
? ? ? ? if (Title.Trim() != string.Empty) inputbox.Text = Title;
? ? ? ? if (DefaultResponse.Trim() != string.Empty) inputbox.textBox_Data.Text = DefaultResponse;
? ? ? ? inputbox.ShowDialog();
? ? ? ? inputbox.Left = Left; inputbox.Top = Top;
? ? ? ? return inputbox.textBox_Data.Text;
? ? }
? ? public static string ShowInputBox(FormStartPosition Position, string Title, string Prompt, string DefaultResponse)
? ? {
? ? ? ? InputBox inputbox = new InputBox();
? ? ? ? inputbox.StartPosition = Position;
? ? ? ? if (Title.Trim() != string.Empty) inputbox.Text = Title;
? ? ? ? if (DefaultResponse.Trim() != string.Empty) inputbox.textBox_Data.Text = DefaultResponse;
? ? ? ? inputbox.ShowDialog();
? ? ? ? return inputbox.textBox_Data.Text;
? ? }
? ? public static string ShowInputBox()
? ? {
? ? ? ? return ShowInputBox(FormStartPosition.CenterScreen, string.Empty, string.Empty, string.Empty);
? ? }
? ? public static string ShowInputBox(string Title)
? ? {
? ? ? ? return ShowInputBox(FormStartPosition.CenterScreen, Title, string.Empty, string.Empty);
? ? }
? ? public static string ShowInputBox(string Title, string Prompt)
? ? {
? ? ? ? return ShowInputBox(FormStartPosition.CenterScreen, Title, Prompt, string.Empty);
? ? }
? ? public static string ShowInputBox(string Title, string Prompt, string DefaultResponse)
? ? {
? ? ? ? return ShowInputBox(FormStartPosition.CenterScreen, Title, Prompt, DefaultResponse);
? ? }
// 調(diào)用
// ? ? ? ? ? string inMsg = InputBox.ShowInputBox("請(qǐng)輸入管理員(admin)的密碼", string.Empty);
// ? ? ? ? ? ?if (inMsg.Trim() != string.Empty)
// ? ? ? ? ? ? {
// ? ? ? ? ? ? ? ? MessageBox.Show(inMsg);
// ? ? ? ? ? ? }
}