IndexOf(IEnumerable, FuncObject, Boolean) | Searches for an element in the source enumeration where the specified predicate returns . |
IndexOf(IEnumerable, Object) | Searches for an element in the source enumeration. |
IndexOfT(IEnumerableT, T) | Searches for an element in the source enumeration. |
IndexOfT(IEnumerableT, FuncT, Boolean) | Searches for an element in the source enumeration where the specified predicate returns . |