Return an estimate of the proportion of keys that are less than,
            equal to, and greater than the specified key.
            
    Namespace: 
   BerkeleyDBAssembly: libdb_dotnet53 (in libdb_dotnet53.dll) Version: 5.3.21.0
Syntax
| C# | 
|---|
public KeyRange KeyRange( DatabaseEntry key )  | 
| Visual Basic (Declaration) | 
|---|
Public Function KeyRange ( _ key As DatabaseEntry _ ) As KeyRange  | 
| Visual C++ | 
|---|
public: KeyRange^ KeyRange( DatabaseEntry^ key )  | 
Parameters
- key
 - Type: BerkeleyDB..::.DatabaseEntry
The key to search for