When wrapping up the program, the EMDeregister() function is used to de-register the callback routine.
在结束该程序时,要使用 EMDeregister() 函数取消对回调例程的注册。
The EMRegister function is used to register the callback routine. It is best explained with an example.
EMRegister函数用于注册回调例程。
Before registering the callback routine, it is useful to obtain a recursion ID using the EMCreateRecursionID function.
在注册回调例程之前,使用EMCreateRecursionID函数获得一个递归id很有用。
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