Creates a new gene ( RSGeneticAlgorithm.TRSGAGene) and adds it to the Items array. Call Add to create a gene in the collection. The new gene is placed at the end of the Items array. The Add method returns the new gene
The FindItemID method returns the item in the collection whose ID property is passed to it as a parameter. If no item has the specified ID, FindItemID returns nil.
Call Insert to add a new item at a specified position in the collection. Existing items (starting from the specified position) are moved up in the Items array.