c#并口操作 INPOUT32.DLL

c#对并口的读写操作！INPOUT32.DLLusingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Linq;usingSystem.Text;usingSystem.Windows.Forms;usingSystem.Runtime.InteropServices;namespaceIED_Application{publicpartialclassIED:Form{//intle