自动关闭Messbox

/// <summary>
/// 自动关闭Messbox
/// </summary>
public class MessageBoxAutoClose
{
System.Threading.Timer _timeoutTimer;
string _caption;
public MessageBoxAutoClose(string text, string caption, int timeout)
{
_caption = caption;
_timeoutTimer = new System.Threading.Timer(OnTimerElapsed,
null, timeout, System.Threading.Timeout.Infinite);
MessageBox.Show(text, caption);
}
public MessageBoxAutoClose(string text, string caption, MessageBoxButtons msgButton, int timeout)
{
_caption = caption;
_timeoutTimer = new System.Threading.Timer(OnTimerElapsed,
null, timeout, System.Threading.Timeout.Infinite);
MessageBox.Show(text, caption, msgButton);
} public MessageBoxAutoClose(string text, string caption, MessageBoxButtons msgButton, MessageBoxIcon msgIcon, int timeout)
{
_caption = caption;
_timeoutTimer = new System.Threading.Timer(OnTimerElapsed,
null, timeout, System.Threading.Timeout.Infinite);
MessageBox.Show(text, caption, msgButton, msgIcon);
} /// <summary>
/// 提示关闭
/// </summary>
/// <param name="text">显示提示内容</param>
/// <param name="caption">标题</param>
/// <param name="timeout">设定指定毫秒后关闭</param>
public static void Show(string text, string caption, int timeout = )
{
new MessageBoxAutoClose(text, caption, timeout);
}
/// <summary>
/// 提示关闭
/// </summary>
/// <param name="text">显示提示内容</param>
/// <param name="caption">标题</param>
/// <param name="msgButton">提示按钮</param>
/// <param name="timeout">设定指定毫秒后关闭</param>
public static void Show(string text, string caption, MessageBoxButtons msgButton, int timeout = )
{
new MessageBoxAutoClose(text, caption, msgButton, timeout);
}
/// <summary>
/// 提示关闭
/// </summary>
/// <param name="text">显示提示内容</param>
/// <param name="caption">标题</param>
/// <param name="msgButton">提示按钮</param>
/// <param name="msgIcon">提示图标</param>
/// <param name="timeout">设定指定毫秒后关闭</param>
public static void Show(string text, string caption, MessageBoxButtons msgButton, MessageBoxIcon msgIcon, int timeout = )
{
new MessageBoxAutoClose(text, caption, msgButton, msgIcon, timeout);
} void OnTimerElapsed(object state)
{
IntPtr mbWnd = FindWindow(null, _caption);
if (mbWnd != IntPtr.Zero)
SendMessage(mbWnd, WM_CLOSE, IntPtr.Zero, IntPtr.Zero);
_timeoutTimer.Dispose();
}
const int WM_CLOSE = 0x0010;
[System.Runtime.InteropServices.DllImport("user32.dll", SetLastError = true)]
static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
[System.Runtime.InteropServices.DllImport("user32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto)]
static extern IntPtr SendMessage(IntPtr hWnd, UInt32 Msg, IntPtr wParam, IntPtr lParam);
}