using System;
using System.Runtime.InteropServices;
public class PortAccess
{
[DllImport("inpout32.dll", EntryPoint="Out32")]
public static extern void Output(int adress, int value);
[DllImport("inpout32.dll", EntryPoint="Inp32")]
public static extern int Input(int adress);
}
//Output函数为给端口传送数据,Input是从端口读取数据 如:
PortAccess.Input( 888 );//从888(即0x378)端口读取数据
PortAccess.Output( 888, 4 )//把4从888端口输出