This data member manages the site's IUnknown pointer. m_spUnkSite initially receives this pointer through a call to SetSite.
CComPtr< IUnknown > m_spUnkSite;
| Header file: | Atlctl.h | 
| Platforms: | |
| Versions: | Version 2.0 and later | 
| Complete documentation: | Visual C++ documentation | 
IObjectWithSiteImpl Overview, IObjectWithSiteImpl Data Members, IObjectWithSiteImpl::GetSite, IObjectWithSiteImpl::SetSite