C#實現winform自動關閉MessageBox對話框的方法
這篇文章主要介紹了C#實現winform自動關閉MessageBox對話框的方法,實例分析了C#中MessageBox對話框的相關操作技巧,需要的朋友可以參考下
本文實例講述了C#實現winform自動關閉MessageBox對話框的方法。分享給大家供大家參考。具體實現方法如下：
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 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秒鐘後自動關閉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(); //停止Timer ((Timer)sender).Stop(); } private void KillMessageBox() { //按照MessageBox的標題，找到MessageBox的窗口 IntPtr ptr = FindWindow(null, "MessageBox"); if (ptr != IntPtr.Zero) { //找到則關閉MessageBox窗口 PostMessage(ptr, WM_CLOSE, IntPtr.Zero, IntPtr.Zero); } } } }希望本文所述對大家的C#程序設計有所幫助
