Copies the elements of the T:System.Collections.ICollection to an T:System.Array, starting at a particular T:System.Array index.
is null. is less than zero. is multidimensional.-or- is equal to or greater than the length of .-or- The number of elements in the source is greater than the available space from to the end of the destination . The type of the source cannot be cast automatically to the type of the destination .