This method removes the map entry corresponding to the supplied key.
The DestructElements helper function is used to remove the entry.
| Header file: | Afxtempl.h | 
| Platforms: | H/PC 2.0, Palm-size PC, H/PC Pro | 
| Windows CE versions: | 1.0 and later | 
| Complete documentation: | Visual C++ documentation | 
BOOL RemoveKey( ARG_KEY key );