Message in Chinese (Traditional) (中文(繁體))
已經叫用過 AsyncCallback。回呼絕不能多次叫用。
Unlocalized message
AsyncCallback has already been invoked. The callback must never be invoked multiple times.
Search by Google已經叫用過 AsyncCallback。回呼絕不能多次叫用。
AsyncCallback has already been invoked. The callback must never be invoked multiple times.
Search by Google