C#---------3秒鐘後自動關閉MessageBox視窗
程式碼如下,可直接拿走用
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace WindowsFormsApp9
{
public partial class Form1 : Form
{
[System.Runtime.InteropServices.DllImport("user32.dll", EntryPoint = "FindWindow", CharSet = CharSet.Auto)]
private extern static IntPtr FindWindow(string lpClassName, string lpWindowName);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern int PostMessage(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam);
public const int WM_CLOSE = 0x10;
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
StartKiller();
MessageBox.Show("3秒鐘後自動關閉MessageBox視窗", "溫馨提示:");
}
private void StartKiller()
{
Timer timer = new Timer();
timer.Interval = 3000; //3秒啟動
timer.Tick += new EventHandler(Timer_Tick);
timer.Start();
}
private void Timer_Tick(object sender, EventArgs e)
{
KillMessageBox();
//停止Timer
((Timer)sender).Stop();
}
private void KillMessageBox()
{
//按照MessageBox的標題，找到MessageBox的視窗
IntPtr ptr = FindWindow(null, "溫馨提示:");
if (ptr != IntPtr.Zero)
{
//找到則關閉MessageBox視窗
PostMessage(ptr, WM_CLOSE, IntPtr.Zero, IntPtr.Zero);
}
}
}
}
點選button1按鈕,彈框3秒鐘自動消失!
