How operate GPIO port under WIN CE 4.2??

From: John lee (jinhualee_at_sohu.com)
Date: 11/30/04 

Date: Tue, 30 Nov 2004 11:48:02 +0800

How operate GPIO port under WIN CE 4.2?

I use EP9301(ARM920T) to my project.And I want to use EGPIO0 to EGPIO7 as
inputs to control Keyboard , and EGPIO8 to EGPIO15 as output to control LCD
Module.
My trouble is I don't know how to operate the GPIO under WIN CE 4.2 .If you
know , pls give me suggestion ,and I will appreciate you very much.

regards.