How to open Segmentation.seg.nrrd file using vtk

I posted the following question last week.
And i have another question.
How to Open Segmentation.seg.nrrd file using vtk.
I already created a program that can open nrrd files and i trying to open Segmentation.seg.nrrd. but i cannot open.
Thank you for your interest.

See my answer here: Why does the color of the label map change when I save the label map?