C#完成winform主動封閉MessageBox對話框的辦法。本站提示廣大學習愛好者:(C#完成winform主動封閉MessageBox對話框的辦法)文章只能為提供參考,不一定能成為您想要的結果。以下是C#完成winform主動封閉MessageBox對話框的辦法正文
本文實例講述了C#完成winform主動封閉MessageBox對話框的辦法。分享給年夜家供年夜家參考。詳細完成辦法以下:
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.Runtime.InteropServices; namespace WindowsApplication1 { public partial class AutoDeleteMessageBox : Form { [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 AutoDeleteMessageBox() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { StartKiller(); MessageBox.Show("3秒鐘後主動封閉MessageBox窗口", "MessageBox"); } 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(); //停滯Timer ((Timer)sender).Stop(); } private void KillMessageBox() { //依照MessageBox的題目,找到MessageBox的窗口 IntPtr ptr = FindWindow(null, "MessageBox"); if (ptr != IntPtr.Zero) { //找到則封閉MessageBox窗口 PostMessage(ptr, WM_CLOSE, IntPtr.Zero, IntPtr.Zero); } } } }
願望本文所述對年夜家的C#法式設計有所贊助。