| Name | Description | |
|---|---|---|
 | Add | Overloaded. Adds an item to the C1CheckListItemCollection. |
| AddRange | Overloaded. Adds the items of the specified collection to the end of the C1CheckListItemCollection. |
| Clear | Removes all items from the C1CheckListItemCollection. |
| Contains | Overloaded. Determines whether an item is in the C1CheckListItemCollection. |
| CopyTo | Overloaded. Copies the entire C1CheckListItemCollection to a compatible one-dimensional array, starting at the specified index of the target array. |
| IndexOf | Overloaded. Searches for the specified item and returns the zero-based index. |
| Insert | Overloaded. Inserts item into the C1CheckListItemCollection at the specified index. |
| Remove | Overloaded. Removes the first occurrence of a specified item from the collection. |
| RemoveAt | Removes the item at the specified index of the collection. |