Constructor.
            
Namespace: CMS.DataEngineAssembly: CMS.DataEngine (in CMS.DataEngine.dll) Version: 8.0.0.0 (8.0.5239.26125)
Parameters
- objectType
 - Type: 
System String
Object type 
- columnNames
 - Type: 
System String
Column names included in the object key (list of columns separated by semicolon) 
- parentCollection
 - Type: CMS.DataEngine ProviderDictionaryCollection
Parent dictionary collection 
- comparer (Optional)
 - Type: 
System.Collections IEqualityComparer
Equality comparer for the items 
See Also