C#调用SynoAPIEx.dll接口采集指纹信息+绘制指纹图片

/*******************************************************************************
 * Author: TongTong_Chen
 * Description: 和SynoAPIEx通讯接口
 * Email：tongtongchen0@gmail.com
*********************************************************************************/

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

namespace FingerPrint
{
    public class DriveOpration
    {
        #region  错误类型

        public static int PS_OK = 0x00;
        public static int PS_COMM_ERR = 0x01;
        public static int PS_NO_FINGER = 0x02;
        public static int PS_GET_IMG_ERR = 0x03;
        public static int PS_FP_TOO_DRY = 0x04;
        public static int PS_FP_TOO_WET = 0x05;
        public static int PS_FP_DISORDER = 0x06;
        public static int PS_LITTLE_FEATURE = 0x07;
        public static int PS_NOT_MATCH = 0x08;
        public static int PS_NOT_SEARCHED = 0x09;
        public static int PS_MERGE_ERR = 0x0a;
        public static int PS_ADDRESS_OVER = 0x0b;
        public static int PS_READ_ERR = 0x0c;
        public static int PS_UP_TEMP_ERR = 0x0d;
        public static int PS_RECV_ERR = 0x0e;
        public static int PS_UP_IMG_ERR = 0x0f;
        public static int PS_DEL_TEMP_ERR = 0x10;
        public static int PS_CLEAR_TEMP_ERR = 0x11;
        public static int PS_SLEEP_ERR = 0x12;
        public static int PS_INVALID_PASSWORD = 0x13;
        public static int PS_RESET_ERR = 0x14;
        public static int PS_INVALID_IMAGE = 0x15;
        public static int PS_HANGOVER_UNREMOVE = 0X17;

        #endregion

        #region  设备类型

        public static int DEVICE_USB = 0;
        public static int DEVICE_COM = 1;
        public static int DEVICE_UDisk = 2;

        #endregion

        #region 串口号

        public static int COM1 = 0x01;
        public static int COM2 = 0x02;
        public static int COM3 = 0x03;

        #endregion

        #region  默认波特率

        public static int BAUD_RATE_9600 = 0x01;
        public static int BAUD_RATE_19200 = 0x02;
        public static int BAUD_RATE_38400 = 0x04;
        public static int BAUD_RATE_57600 = 0x06;  //default 
        public static int BAUD_RATE_115200 = 0x0C;

        #endregion

        #region  Function

        //
        //[OUT] 
        //[IN] 设备类型，DEVICE_USB、DEVICE_COM、DEVICE_ UDisk
        //[IN] 串口号 1~16
        //[IN] 波特率 1~n，其值*9600=实际波特率值
        //[IN] 数据包大小，实际数据包大小= 32*（0x01<        /// 

        /// 打开设备
        /// 

        /// 设备句柄
        /// 设备类型，DEVICE_USB、DEVICE_COM、DEVICE_ UDisk
        /// 串口号 1~16
        /// 波特率 1~n，其值*9600=实际波特率值
        /// 数据包大小，实际数据包大小= 32*（0x01<
        ///