使用Timer自动关闭窗口时异常
环境：VS2005，C#.net CF 2，Windows CE 5。

尝试使用timer自动关闭对话框时出现异常。

运行时错误信息：
“无法显示错误消息，原因是无法找到包含此错误消息的可选资源程序集”

VS2005“调试模式”下可以看到如下输出：
在 System.ArgumentException 中第一次偶然出现的“System.Drawing.dll”类型的异常
未处理的“System.ArgumentException”类型的异常出现在 System.Drawing.dll 中。

其他信息: 值不在预期的范围内。

完整栈信息：

> System.Drawing.dll!Microsoft.AGL.Common.MISC.HandleAr(Microsoft.AGL.Common.PAL_ERROR ar = BadParam) + 0x4b 字节
  System.Windows.Forms.dll!System.Windows.Forms.Form._CloseModal() + 0x1a 字节
  System.Windows.Forms.dll!System.Windows.Forms.Form.Close() + 0x16 字节
  Q0508.exe!Q0508.FormDialoge.timer1_Tick(object sender = {Interval = 3000}, System.EventArgs e = {System.EventArgs}) 行26 + 0x6 字节 C#
  System.Windows.Forms.dll!System.Windows.Forms.Timer._WnProc(Microsoft.AGL.Forms.WM wm = WM_TIMER, int wParam = 0, int lParam = 0) + 0x19 字节
  System.Windows.Forms.dll!System.Windows.Forms.ApplicationThreadContext._InternalContextMessages(Microsoft.AGL.Forms.WM wm = WM_TIMER, int wParam = 298328, int lParam = 0) + 0x50 字节
  System.Windows.Forms.dll!Microsoft.AGL.Forms.EVL.EnterModalDialog(System.IntPtr hwnModal = 1114129)
  System.Windows.Forms.dll!System.Windows.Forms.Form.ShowDialog() + 0x60 字节
  Q0508.exe!Q0508.Form1.showdialog() 行51 + 0xb 字节 C#
  Q0508.exe!Q0508.Form1.timer1_Tick(object sender = {Interval = 1000}, System.EventArgs e = {System.EventArgs}) 行40 + 0xb 字节 C#
  System.Windows.Forms.dll!System.Windows.Forms.Timer._WnProc(Microsoft.AGL.Forms.WM wm = WM_TIMER, int wParam = 0, int lParam = 0) + 0x19 字节
  System.Windows.Forms.dll!System.Windows.Forms.ApplicationThreadContext._InternalContextMessages(Microsoft.AGL.Forms.WM wm = WM_TIMER, int wParam = 298316, int lParam = 0) + 0x50 字节
  System.Windows.Forms.dll!Microsoft.AGL.Forms.EVL.EnterModalDialog(System.IntPtr hwnModal = 1114113)
  System.Windows.Forms.dll!System.Windows.Forms.Form.ShowDialog() + 0x60 字节
  Q0508.exe!Q0508.Form1.button1_Click(object sender = {Text = "button1"}, System.EventArgs e = {System.EventArgs}) 行34 + 0xb 字节 C#
  System.Windows.Forms.dll!System.Windows.Forms.Control.OnClick(System.EventArgs e = {System.EventArgs}) + 0x15 字节
  System.Windows.Forms.dll!System.Windows.Forms.Button.OnClick(System.EventArgs e = {System.EventArgs}) + 0x32 字节
  System.Windows.Forms.dll!System.Windows.Forms.ButtonBase.WnProc(Microsoft.AGL.Forms.WM wm = WM_BUTTON_NOTIFYCLICKED, int wParam = 0, int lParam = 0) + 0x17 字节
  System.Windows.Forms.dll!System.Windows.Forms.Control._InternalWnProc(Microsoft.AGL.Forms.WM wm = WM_BUTTON_NOTIFYCLICKED, int wParam = 0, int lParam = 0) + 0x9 字节
  System.Windows.Forms.dll!Microsoft.AGL.Forms.EVL.EnterMainLoop(System.IntPtr hwnMain = 2097165)
  System.Windows.Forms.dll!System.Windows.Forms.Application.Run(System.Windows.Forms.Form fm = {Q0508.Form1}) + 0x1a 字节
  Q0508.exe!Q0508.Program.Main() 行15 + 0xa 字节 C#

主窗口

C# code

    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();

            g_DisplayAllMessage = new DelDisplayAllMessage(showdialog);
        }

        private delegate void DelDisplayAllMessage();
        DelDisplayAllMessage g_DisplayAllMessage;

        FormDialoge d1;
        FormDialoge d2;

        private void button1_Click(object sender, EventArgs e)
        {
            timer1.Enabled = true; // 1000ms
            if (null == d1)
            {
                d1 = new FormDialoge();
            }