DictionaryHandle :: CheckExtentDef - Check extent definition
Return value:  Success ( logical  )
Implementation details
- 
- internal feature
 logical DictionaryHandle  :: CheckExtentDef ( NString &extname, int32 namespace_id )
 - extname
 - Extent name
The name contains the name of the extent, only. It does not contain a namespace scope. Notes:retval checked for const &NString 
- namespace_id - Internal namespace number
 to list
- extname
 - Extent name
- 
- internal feature
 logical DictionaryHandle  :: CheckExtentDef ( NString &scoped_name )
 - scoped_name
 - Scoped type or property name
my_namespace::Person 
 to list
- scoped_name
 - Scoped type or property name

