【C#】提示框自动关闭

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第一步：新建一个类库，如图：

第二步：添加两个类，CloseState.cs和ShowMsg.cs，代码如下：

using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace Model{    public class CloseState    {        private int _Timeout;        /// <summary>        /// In millisecond        /// </summary>        public int Timeout        {            get            {                return _Timeout;            }        }        private string _Caption;        /// <summary>        /// Caption of dialog        /// </summary>        public string Caption        {            get            {                return _Caption;            }        }        public CloseState(string caption, int timeout)        {            _Timeout = timeout;            _Caption = caption;        }    }}

using System;using System.Collections.Generic;using System.Linq;using System.Runtime.InteropServices;using System.Text;using System.Threading;using System.Windows.Forms;namespace Model{      public class ShowMsg  //自动关闭提示框    {        [DllImport("user32.dll", SetLastError = true)]        static extern IntPtr FindWindow(string lpClassName, string lpWindowName);        [DllImport("user32.dll")]        static extern bool EndDialog(IntPtr hDlg, out IntPtr nResult);        //三个参数：1、文本提示-text，2、提示框标题-caption，3、按钮类型-MessageBoxButtons ，4、自动消失时间设置-timeout        public  void ShowMessageBoxTimeout(string text, string caption,            MessageBoxButtons buttons, int timeout)        {            ThreadPool.QueueUserWorkItem(new WaitCallback(CloseMessageBox),                new CloseState(caption, timeout));            MessageBox.Show(text, caption, buttons);        }        private static void CloseMessageBox(object state)        {            CloseState closeState = state as CloseState;            Thread.Sleep(closeState.Timeout);            IntPtr dlg = FindWindow(null, closeState.Caption);            if (dlg != IntPtr.Zero)            {                IntPtr result;                EndDialog(dlg, out result);            }        }    }}

第三步：调用

Model.ShowMsg show = new Model.ShowMsg();show.ShowMessageBoxTimeout("密码修改成功", "温馨提示", MessageBoxButtons.OK, 1000); //单位毫秒

参考资料：

资料一：http://www.cnblogs.com/XGLSummer/archive/2012/09/06/2673334.html
资料二：http://blog.csdn.net/fuyifang/article/details/46447547

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