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using System.Runtime.InteropServices;
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using System.Text;
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namespace POSV.Printer
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{
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public class YkPosDll
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{
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/// <summary>
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/// 连接打印机设备
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/// </summary>
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/// <param name="iport">设备通信接口号，如COM1 - 1 COM2 - 2 如此类推</param>
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/// <param name="baud">波特率 9600 , 38400 , 115200</param>
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/// <returns>0 -- 成功 -1 -- 失败</returns>
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[DllImport("YkPosdll.dll")]
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public static extern int YkOpenDevice(int iport , int baud);
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/// <summary>
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/// 断开打印设备
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/// </summary>
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/// <returns>0 -- 成功 -1 -- 失败</returns>
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[DllImport("YkPosdll.dll")]
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public static extern int YkCloseDevice();
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/// <summary>
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/// 获取设备的操作句柄
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/// </summary>
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/// <returns></returns>
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[DllImport("YkPosdll.dll")]
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public static extern int YkGetDeviceHandle();
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/// <summary>
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/// 设备是否已经到连接计算机(仅支持USB口打印机)
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/// </summary>
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/// <returns>>0 -- 连接 -1 -- 没有连接</returns>
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[DllImport("YkPosdll.dll")]
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public static extern int YkIsConnected();
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/// <summary>
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/// 初始化打印机 〈详见命令：ESC @〉
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/// </summary>
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/// <returns>0 -- 成功 -1 -- 失败</returns>
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[DllImport("YkPosdll.dll")]
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public static extern int YkInitPrinter();
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/// <summary>
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/// 把将要打印的字符串送入打印机缓冲区(注: 达到满行时会自动打印出来)
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/// </summary>
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/// <param name="pstr">将要送打印机的字符串数据缓冲</param>
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/// <returns></returns>
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[DllImport("YkPosdll.dll" , CharSet = CharSet.Ansi , EntryPoint = "YkPrintStr" , CallingConvention = CallingConvention.StdCall)]
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public static extern int YkPrintStr([MarshalAs(UnmanagedType.LPStr)]StringBuilder pstr);
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[DllImport("YkPosdll.dll" , CharSet = CharSet.Ansi , EntryPoint = "YkPrintRasterBmp" , CallingConvention = CallingConvention.StdCall)]
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public static extern int YkPrintRasterBmp(string bmpfile);
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[DllImport("YkPosdll.dll" , CharSet = CharSet.Ansi , EntryPoint = "YkDownloadBitmapAndPrint" , CallingConvention = CallingConvention.StdCall)]
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public static extern int YkDownloadBitmapAndPrint(string bmpfile,int m);
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/// <summary>
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/// 打印并换行，走纸到下一行首〈详见命令：LF〉
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/// </summary>
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/// <returns></returns>
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[DllImport("YkPosdll.dll")]
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public static extern int YkFeedPaper();
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/// <summary>
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/// 获取打印机状态, 〈详见命令：DLE EOT n〉
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/// </summary>
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/// <param name="n">n = 1~5 </param>
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/// <returns>0 -- 成功 -1 -- 失败</returns>
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[DllImport("YkPosdll.dll")]
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public static extern int YkGetStatus(byte n);
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[DllImport("YkPosdll.dll")]
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public static extern int YkGetPrinterStatus(byte n);
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/// <summary>
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/// 执行切纸动作，包括进纸 〈详见命令：GS V m〉
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/// </summary>
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/// <param name="m">m=66 n:打印机进纸到(切纸位置+ [n × 0.125 毫米{0.0049英寸}])并切纸</param>
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/// <param name="n">一般n=0</param>
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/// <returns>0 -- 成功 -1 -- 失败</returns>
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[DllImport("YkPosdll.dll")]
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public static extern int YkCutPaper(int m , int n);
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/// <summary>
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/// 设置钱箱驱动方式 〈详见命令： ESC p m t1 t2〉
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/// </summary>
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/// <param name="m">使用那个管脚输出脉冲 m=0 2脚 m=1 5脚 脉冲宽度为 t1*2ms t2*2ms ，其中要求 t1 < t2 ，一般 t1=150 t2=250</param>
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/// <param name="t1"></param>
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/// <param name="t2"></param>
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/// <returns></returns>
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[DllImport("YkPosdll.dll")]
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public static extern int YkSetCashBoxDriveMode(int m , int t1 , int t2);
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}
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}
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