Michael,
I am not sure on the value of the constant, I think it should be
#define xlShiftDown 0xffffefe7
and the line would be:
Selection.Insert(xlShiftDown)
"The five senses obstruct or deform the apprehension of reality."
Jorge L. Borges?
"Premature optimization is the root of all evil in programming."
Donald Knuth, repeating C. A. R. Hoare
"To die for a religion is easier than to live it absolutely"
Jorge L. Borges