Hi, I need some assistance. I'ved been searching the web for days now and can't find an example that really helps me. I have an EPSON TM-T88IV printer through which I want to open a cash drawer. I have this class in my project:

Code:
using System;
using System.IO;
using System.Runtime.InteropServices;

namespace PrintDataGrid
    /*	For a standard cash drawer, there's a physical cable that runs
...