| 1. | Finds a value of the given type in the given collection. | | |
| 2. | Adds a new element to the specified collection. | | |
| 3. | Adds all of the elements of the "c" collection to the "target" collection. | | |
| 4. | Removes all the elements from the collection. | | |
| 5. | Determines whether the collection contains the specified element. | | |
| 6. | Removes the specified element from the collection. | | |
| 7. | Retains the elements in the target collection that are contained in the specified collection | | |
| 8. | Returns an array containing all the elements of the collection. | | |
| 9. | Converts an ICollection instance to an ArrayList instance. | | |
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| 10. | Tests if the specified object is a collection and converts it to its string representation. | | |
| 11. | Determines whether the collection contains the specified element | | |
| 12. | Adds the specified element to the specified collection | | |
| 13. | Determines whether the collection contains all the elements in the specified collection. | | |
| 14. | Removes all the elements from the target collection that are contained in the source collection. | | |
| 15. | Converts an System.Collections.ICollection instance to an System.Collections.ArrayList instance. | | |
| 16. | Copies the elements of the ICollection to a new array of the specified element type. | | |
| 17. | Determine whether a given collection only contains a single unique object | | |
| 18. | Is a Collection Null Or Empty Or Default | | |
| 19. | Converts the specified collection to its string representation. | | |
| 20. | Group the collection using a function which returns the key. | | |
| 21. | Convert ICollection to T[] | | |
| 22. | Convert ICollection to T[] | | |
| 23. | ConvertAll ICollection to TOut[] with Converter | | |
| 24. | Add range to Collection | | |
| 25. | Lambda Collections Generic Set | | |