C#窗体MessageBox显示自动消失(移动开发Pocket PC 2003)

acogynkyab

MessageBox提示框一般需要手动关闭，对于简单的信息提示，每次还要去关闭很麻烦。于是想到怎样能让MessageBox显示一段时间后自动关闭。虽然知道这肯定要用到定时器之类的，由于知识所限，最终没能够解决，于是求助袁小萍师姐，师姐就是师姐啊，不用太多时间就搞定了~，下面是代码：
using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using System.Windows.Forms;
namespace pdaTraceInfoPlat.beans
{
class MessageBoxTimeOut
{
private string _caption;
public void Show(string text, string caption, int timeout)
{
this._caption = caption;
StartTimer(timeout);
MessageBox.Show(text, caption);
}
private void StartTimer(int interval)
{
Timer timer = new Timer();
timer.Interval = interval;
timer.Tick += new EventHandler(Timer_Tick);
timer.Enabled = true;
}
private void Timer_Tick(object sender, EventArgs e)
{
KillMessageBox();
//停止计时器
((Timer)sender).Enabled = false;
}
[DllImport("coredll.dll", EntryPoint = "FindWindow", CharSet = CharSet.Auto)]
private extern static IntPtr FindWindow(string lpClassName, string lpWindowName);
[DllImport("coredll.dll", CharSet = CharSet.Auto)]
public static extern int PostMessage(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam);
public const int WM_CLOSE = 0x10;
private void KillMessageBox()
{
//查找MessageBox的弹出窗口,注意对应标题
IntPtr ptr = FindWindow(null, this._caption);
if (ptr != IntPtr.Zero)
{
//查找到窗口则关闭
PostMessage(ptr, WM_CLOSE, IntPtr.Zero, IntPtr.Zero);
}
}      
}
}