When using CComSingleThreadModel, the typedef name AutoCriticalSection references class CComFakeCriticalSection.
typedef CComFakeCriticalSection AutoCriticalSection
| Header file: | Atlbase.h | 
| Platforms: | |
| Versions: | 2.0 and later | 
| Complete documentation: | Visual C++ documentation | 
CComSingleThreadModel Overview, CComSingleThreadModel TypeDefs, CComSingleThreadModel::CriticalSection, CComFakeCriticalSection