UIThreadException

Oops, gInk crashed! Please include the following information if you plan to contact the developers (a copy of the following information is stored in crash.txt in the application folder):

未将对象引用设置到对象的实例。

Stack Trace:
   在 gInk.FormDisplay.timer1_Tick(Object sender, EventArgs e)
   在 System.Windows.Forms.Timer.OnTick(EventArgs e)
   在 System.Windows.Forms.Timer.TimerNativeWindow.WndProc(Message& m)
   在 System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

