vb.net - Using Array.Copy in 2d Array -

i have 2 dimensional array.
like,
(0,1)
(0,2)
(0,3)
(1,1)
(1,2)
(1,3)
(2,1)
(2,2)
(2,3)

how can use array.copy copy 2nd index in new array.
only,
(2,1)
(2,2)
(2,3)

or there other way.