XXXXmmmmCCCCaaaassssccccaaaaddddeeeeBBBBuuuuttttttttoooonnnnGGGGaaaaddddggggeeeettttHHHHiiiigggghhhhlllliiiigggghhhhtttt either draws or erases the
shadow highlight around the CascadeButtonGadget.
_c_a_s_c_a_d_e_B_u_t_t_o_n_G_a_d_g_e_t
Specifies the CascadeButtonGadget to be
highlighted or unhighlighted
_h_i_g_h_l_i_g_h_t Specifies whether to highlight (True) or to
unhighlight (False)
For a complete definition of CascadeButtonGadget and its
associated resources, see XXXXmmmmCCCCaaaassssccccaaaaddddeeeeBBBBuuuuttttttttoooonnnnGGGGaaaaddddggggeeeetttt(3).
RRRREEEELLLLAAAATTTTEEEEDDDD
XXXXmmmmCCCCaaaassssccccaaaaddddeeeeBBBBuuuuttttttttoooonnnn(3), XXXXmmmmCCCCaaaassssccccaaaaddddeeeeBBBBuuuuttttttttoooonnnnGGGGaaaaddddggggeeeetttt(3), and