问Windows 2008上的SetForegroundWindow失败

EN

[DllImport("user32.dll")]
static extern bool SetForegroundWindow(IntPtr hWnd);

[DllImport("user32.dll")]
static extern IntPtr AttachThreadInput(IntPtr idAttach, IntPtr idAttachTo, bool fAttach);


private void PushBRWSEXEToFront()
{
    //Make sure MyApplication is running
    if (Process.GetProcessesByName("MyApplicationName").Length == 1)
    {
        Process[] brwsProc = Process.GetProcessesByName("BRWSEXE"); //Locate any processes for the browse dialog windows
        for (int x = brwsProc.Length - 1; x > -1; x--)
        {
            //Make sure the browse window we are looking at is associated with the active program we are looking at
            if (brwsProc[x].SessionId == Process.GetCurrentProcess().SessionId
                || brwsProc[x].SessionId == Process.GetProcessesByName("MyApplicationName")[0].SessionId)
            {
                //attach to the main applications thread
                AttachThreadInput(brwsProc[x].MainWindowHandle, Process.GetProcessesByName("MyApplicationName")[0].MainWindowHandle, true);

                //Call Set foreground window to push the browse window in front of the rest of the program.
                SetForegroundWindow(brwsProc[x].MainWindowHandle);

                //Detach from the main thread
                AttachThreadInput(brwsProc[x].MainWindowHandle, Process.GetProcessesByName("MyApplicationName")[0].MainWindowHandle, false);
            }
        }
    }
}