CComControlBase::m_spAdviseSink
A direct pointer to the advisory connection on the container (the container's IAdviseSink).
CComPtr<IAdviseSink> m_spAdviseSink;
Remarks
Observação
To use this data member within your control class, you must declare it as a data member in your control class. Your control class will not inherit this data member from the base class because it is declared within a union in the base class.
Requirements
Header: atlctl.h