В результате мы имеем исключение в дебаге каждый раз когда делаем любые пользовательские действия с этим окном которые приводят к передачи оконных сообщений от ребенка к предку
As a result, we have an exception in debage whenever we do any custom actions that lead to this window to transfer window messages from child to parent
As a result, we have an exception in the debug whenever we do any custom actions in this window that lead to the transfer window messages from a child to an ancestor
as a result, we have an дебаге every time when do any custom actions to that window, which lead to the transfer of the message from the child to the ancestor