CodeSnip Old Code (SVN)

Fixed memory leak in TDBDataPool class.

Added support to unit test project for checking for memory leaks when running under debugger.

* Merged code from TestUOrderedDictionary.pas and TestUOrderedList.pas into new TestUContainers.pas, deleted old units and updated unit test project files accordingly.
* Renamed TestTOrderedDictionary and TestTOrderedList test classes to TestTSortedDictionary and TestTSortedList respectively.

* Renamed TOrderedDictionary and TSortedDictionary and TOrderedList as TSortedList.
* Updated unit tests to use renamed classes.

Commented the unit's classes.

* Added Items and ItemsByIndex properties to TOrderedDictionary.
* Re-implemented Keys and Values properties of TOrderedDictionary as enumerable collections and removed ValuesByIndex property.
* Added internal, public TKeyCollection, TKeyEnumerator, TValueCollection and TValueEnumerator classes to TOrderedDictionary.
* Updated TestUOrderedDictionary unit re changes and additions to TOrderedDictionary.
* Removed commented out code and implemented TODOs

Changed TOrderedDictionary and TOrderedList to descend from TEnumerable<T>.

Added public convenience TPairEnumerator type to TOrderedDictionary for type of enumerator that enumerates all key=value pairs in dictionary.

* Added change notification events to TOrderedDictionary and TOrderedList.
* Added tests for these new events to unit tests.

* Copied TOrderedDictionary from UOrderedDictionary.pas to UContainers.pas.
* Deleted UOrderedDictionary.pas and removed from unit test project.
* Modified source files that referenced UOrderedDictionary.pas as required.