1·You can override the inherited error Settings by adding a local custom error for the status code you want to override.
若要覆写继承的错误设定,您可为要覆写的状态码加入本机自订错误。
2·This error most often arises when you have tried to connect an event to a control that is inherited from a base class.
当尝试将某个事件连接到从基类继承的控件时,最常出现此错误。