As part of the one-time setup, provide an event handler subscribed to that specific type of CustomEvent on the WjcDispenser instance or class.

作为一次性设置的一部分，在WjcDispenser实例或类上提供一个订阅到特定类型的CustomEvent的事件处理程序。

youdao

As part of the one-time setup, provide an event handler subscribed to that specific type of CustomEvent on the WjcDispenser instance or class.

作为一次性设置的一部分，在WjcDispenser实例或类上提供一个订阅到特定类型的CustomEvent的事件处理程序。

youdao