Function pointer as parameter

Question

I try to call a function which passed as function pointer with no argument, but I can\'t make it work.

void *disconnectFunc;

void D::setDisconnectFunc(void          


        

Answer 1

The correct way to do this is:

typedef void (*callback_function)(void); // type for conciseness

callback_function disconnectFunc; // variable to store function pointer type

void D::setDisconnectFunc(callback_function pFunc)
{
    disconnectFunc = pFunc; // store
}

void D::disconnected()
{
    disconnectFunc(); // call
    connected = false;
}