ComponentFactory.Krypton.Toolkit.KryptonCheckedListBox.CheckedIndexCollection.this C# (CSharp) Method

            public object this[int index]
            {
                get
                {
                    object entryObject = InnerArrayGetEntryObject(index, KryptonCheckedListBox.CheckedItemCollection._anyItemMask);
                    return InnerArrayIndexOfIdentifier(entryObject, 0);
                }

                set { throw new NotSupportedException("Read Only Collection"); }
            }