Called just prior to invoking IMalloc::HeapMinimize.
void PreHeapMinimize(void);
 This method is included for completeness; it is not anticipated that developers will implement significant functionality in this method.
  Windows NT: Use version 4.0 or later.
  Windows: Use Windows 95 or later.
  Windows CE: Unsupported.
  Header: Declared in objidl.h.
IMalloc::HeapMinimize, IMallocSpy::PostHeapMinimize, CoRegisterMallocSpy, CoRevokeMallocSpy