在 System.ThrowHelper.ThrowArgumentException(ExceptionResource resource)
   在 System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add)
   在 Quicker.PopupWindow.UpdateUIAppearence(UserSettings userSettings, Boolean updateButtonSize)
   在 Quicker.PopupWindow.<Window_OnLoaded>d__43.MoveNext()
--- 引发异常的上一位置中堆栈跟踪的末尾 ---
   在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   在 System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   在 System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)