using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;

namespace POSV
{
    /// <summary>
    /// 龙飞C2、C3 PC秤动态库
    /// </summary>
    public class LF_ACS_C3
    {
        #region 称重相关

        /// <summary>
        /// 清零
        /// </summary>
        [DllImport("LF_ACS_C2.dll")]
        public extern static int send_zero();

        /// <summary>
        /// 清皮
        /// </summary>
        [DllImport("LF_ACS_C2.dll")]
        public extern static int clear_tare(StringBuilder buf);

        /// <summary>
        /// 设置皮重
        /// </summary>
        [DllImport("LF_ACS_C2.dll")]
        public extern static int send_tare(StringBuilder buf);

        /// <summary>
        /// 读取重量
        /// </summary>
        [DllImport("LF_ACS_C2.dll",CharSet = CharSet.Ansi)]
        public extern static int read_standard(StringBuilder buf);

        #endregion

        #region 打印相关

        /// <summary>
        /// 初始化打印机
        /// </summary>
        [DllImport("LF_ACS_C2.dll")]
        public extern static int OpenPrinter();

        /// <summary>
        /// 格式化待打印字符串
        /// </summary>
        [DllImport("LF_ACS_C2.dll")]
        public extern static int PrintText(StringBuilder str, int fontSize);

        /// <summary>
        /// 开始打印
        /// </summary>
        [DllImport("LF_ACS_C2.dll")]
        public extern static int BeginPrint();

        /// <summary>
        /// 关闭打印机
        /// </summary>
        [DllImport("LF_ACS_C2.dll")]
        public extern static int ClosePrinterEx();


        #endregion

        /// <summary>
        /// 开钱箱
        /// </summary>
        [DllImport("LF_ACS_C2.dll")]
        public extern static int OpenCashDrawerEx();
        
    }
}