Winform自定义消息框(过几秒可自动消失)

过几秒可自动消失
using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;namespace DemoMessageBox{ public partial class MainForm : Form { public MainForm() { InitializeComponent(); } private void MainForm_Load(object sender, EventArgs e) { //启动线程 MessageBoxHelper.IsWorking = true; MessageBoxHelper.FindAndKillWindow(); } private void MainForm_FormClosing(object sender, FormClosingEventArgs e) { //线程终止标识 MessageBoxHelper.IsWorking = false; } private void btnOK_Click(object sender, EventArgs e) { MessageBox.Show(this, "你在吗？", "提示", MessageBoxButtons.OK,MessageBoxIcon.Information); } private void btnYesNo_Click(object sender, EventArgs e) { MessageBox.Show(this, "不好吗？", "请选择", MessageBoxButtons.YesNo,MessageBoxIcon.Question); } private void btnYesNoCancel_Click(object sender, EventArgs e) { MessageBox.Show(this, "出去吗？", "请选择", MessageBoxButtons.YesNoCancel,MessageBoxIcon.Asterisk); } private void btnOkCancel_Click(object sender, EventArgs e) { MessageBox.Show(this, "可以吗？", "警告", MessageBoxButtons.OKCancel,MessageBoxIcon.Warning); } private void btnRetryCancel_Click(object sender, EventArgs e) { MessageBox.Show(this, "重试一次吗？", "错误", MessageBoxButtons.RetryCancel,MessageBoxIcon.Error); } private void btnAbortRetryCancel_Click(object sender, EventArgs e) { MessageBox.Show(this, "重试一次吗？终止吗？", "请选择", MessageBoxButtons.AbortRetryIgnore,MessageBoxIcon.Hand); } }}