Quote grasshopper components in C# or ghpython

Dear Everyone
I would like to quote the grashopper component(“Voronoi3D”) in a C# or ghpython script,and i learnt some code from forum,but the geometry shows the output is original boundary.
0929-1.gh (9.7 KB)

You should change the x input to List Access.

0929-1_DS.gh (13.5 KB)

WoW,Thank you very much.