class LptControl { private string LptStr = "lpt1"; public LptControl(string l_LPT_Str) { LptStr = l_LPT_Str; } [StructLayout(LayoutKind.Sequential)] private struct OVERLAPPED { int Internal; int InternalHigh; int Offset; int OffSetHigh; int hEve
using System; using System.Collections.Generic; using System.Text; using System.Runtime.InteropServices; namespace BarCodeLibrary { public class ZebraGesigner { [StructLayout(LayoutKind.Sequential)] private struct OVERLAPPED { int Internal; int Inter
C#LPT端口打印类的操作是什么呢?首先让我们看看什么是LPT端口(打印机专用)?LPT端口是一种增强了的双向并行传输接口,在USB接口出现以前是扫描仪,打印机最常用的接口.最高传输速度为1.5Mbps,设备容易安装及使用,但是速度比较慢,下面是C#LPT端口打印类的操作具体实例: /// <summary> /// LPTControl 的摘要说明,C#LPT端口打印类的操作 /// </summary> public class LPTControls { public LPT