lmh188
/
code_app
mirror of http://192.168.10.5:8099/sane/code_app.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
code_app/sdk/oldwebscan/demo/C#TestDemo/HgScan.cs

590 lines
23 KiB
C#
Raw Normal View History

调整老版sdk接口调整c#demo
2022-11-19 03:49:41 +00:00
using System;
提交旧版websdk
2022-11-18 01:12:13 +00:00
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Runtime.InteropServices;
using System.Windows.Forms;
demo更新
2022-11-29 08:16:26 +00:00
using System;
using System.Text;
提交旧版websdk
2022-11-18 01:12:13 +00:00
namespace DNScanner.Scan
{
/**
* 华高扫描实现
*
**/
class HgScan
{
[DllImport("hgscannersdk.dll", EntryPoint = "HG_Init", CallingConvention = CallingConvention.Cdecl)]
public static extern void HG_Init();
[DllImport("hgscannersdk.dll", EntryPoint = "HG_CloseScanner", CallingConvention = CallingConvention.Cdecl)]
public static extern void HG_CloseScanner();
[DllImport("hgscannersdk.dll", EntryPoint = "HG_GetDevices", CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi)]
public static extern IntPtr HG_GetDevices(string sep);
[DllImport("hgscannersdk.dll", EntryPoint = "HG_OpenScanner", CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi)]
public static extern IntPtr HG_OpenScanner(string deviceName);
demo更新
2022-11-29 08:16:26 +00:00
[DllImport("hgscannersdk.dll", EntryPoint = "HG_ImgSaveType", CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi)]
public static extern IntPtr HG_ImgSaveType(string deviceName);
提交旧版websdk
2022-11-18 01:12:13 +00:00
[DllImport("hgscannersdk.dll", EntryPoint = "HG_StartScan", CallingConvention = CallingConvention.Cdecl)]
public static extern int HG_StartScan(IntPtr handle, int count);
demo更新
2022-11-29 08:16:26 +00:00
[DllImport("hgscannersdk.dll", EntryPoint = "HG_SET_IMG_COMPRESSION", CallingConvention = CallingConvention.Cdecl)]
public static extern void HG_SET_IMG_COMPRESSION(int count);
提交旧版websdk
2022-11-18 01:12:13 +00:00
[DllImport("hgscannersdk.dll", EntryPoint = "HG_StopScan", CallingConvention = CallingConvention.Cdecl)]
public static extern int HG_StopScan(IntPtr handle);
[DllImport("hgscannersdk.dll", EntryPoint = "HG_Set_Scan_Params", CallingConvention = CallingConvention.Cdecl)]
public static extern int HG_Set_Scan_Params(IntPtr handle, HG_SCANPARAMS param);
[DllImport("hgscannersdk.dll", EntryPoint = "HG_Get_Scan_Params", CallingConvention = CallingConvention.Cdecl)]
public static extern int HG_Get_Scan_Params(IntPtr handle, ref HG_SCANPARAMS param);
[DllImport("hgscannersdk.dll", EntryPoint = "HG_Set_AquireImg_callback", CallingConvention = CallingConvention.Cdecl)]
public static extern void HG_Set_AquireImg_callback(HG_OnImage_Callback callBack, IntPtr obj);
[DllImport("hgscannersdk.dll", EntryPoint = "HG_Set_OnDeviceEvent_callback", CallingConvention = CallingConvention.Cdecl)]
public static extern void HG_Set_OnDeviceEvent_callback(HG_OnDevice_Event_Callback callBack, IntPtr obj);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate void HG_OnImage_Callback(IntPtr img, IntPtr obj);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate void HG_OnDevice_Event_Callback(HG_STATUSCODE code, IntPtr obj);
public enum HG_PAPERTYPE
{
HG_None = 0,
HG_A4Letter = 1,
HG_A4 = 1,
HG_B5Letter = 2,
HG_JISB5 = 2,
HG_B5 = 2,
HG_USLetter = 3,
HG_USLegal = 4,
HG_A5 = 5,
HG_B4 = 6,
HG_ISOB4 = 6,
HG_B6 = 7,
HG_ISOB6 = 7,
HG_USLedger = 9,
HG_USExecutive = 10,
HG_A3 = 11,
HG_B3 = 12,
HG_ISOB3 = 12,
HG_A6 = 13,
HG_C4 = 14,
HG_C5 = 15,
HG_C6 = 16,
HG__4A0 = 17,
HG__2A0 = 18,
HG_A0 = 19,
HG_A1 = 20,
HG_A2 = 21,
HG_A7 = 22,
HG_A8 = 23,
HG_A9 = 24,
HG_A10 = 25,
HG_ISOB0 = 26,
HG_ISOB1 = 27,
HG_ISOB2 = 28,
HG_ISOB5 = 29,
HG_ISOB7 = 30,
HG_ISOB8 = 31,
HG_ISOB9 = 32,
HG_ISOB10 = 33,
HG_JISB0 = 34,
HG_JISB1 = 35,
HG_JISB2 = 36,
HG_JISB3 = 37,
HG_JISB4 = 38,
HG_JISB6 = 39,
HG_JISB7 = 40,
HG_JISB8 = 41,
HG_JISB9 = 42,
HG_JISB10 = 43,
HG_C0 = 44,
HG_C1 = 45,
HG_C2 = 46,
HG_C3 = 47,
HG_C7 = 48,
HG_C8 = 49,
HG_C9 = 50,
HG_C10 = 51,
HG_USStatement = 52,
HG_MaxSize = 54,
};
public enum HG_FILTER
{
HG_FILTER_RED, /* 除红色 */
HG_FILTER_GREEN, /* 除绿色 */
HG_FILTER_BLUE, /* 除蓝色 */
HG_FILTER_NONE, /* 无除色 */
HG_FILTER_ALL, /* 全除色 */
HG_ENHANCE_RED, /* 红色增强 */
HG_ENHANCE_GREEN, /* 绿色增强 */
HG_ENHANCE_BLUE /* 蓝色增强 */
};
public enum HG_COLORMODE
{
HG_BlackWhite, /* 黑白 */
HG_Gray, /* 灰度 */
HG_RGB /* 彩色 */
};
public enum HG_MULTIOUTPUT
{
HG_Unused = -1, /* 无 */
HG_All, /* 彩色+灰度+黑白 */
HG_ColorGray, /* 彩色+灰度 */
HG_ColorBw, /* 彩色+黑白 */
HG_GrayBw /* 灰度+黑白 */
};
/*缓存文件格式*/
public enum HG_CACHEIMGFORMAT
{
HG_CJPG,
HG_CPNG,
HG_CBMP,
HG_CTIFF
};
public enum HG_PAPERALIGN
{
HG_Rot0 = 0, /* 纵向 */
HG_Rot270 = 3 /* 横向 */
};
public enum HG_SHARPENTYPE
{
HG_STNone, /* 无滤镜 */
HG_Sharpen, /* 锐化 */
HG_SharpenMore, /* 锐化加强 */
HG_Blur, /* 模糊 */
HG_BlurMore /* 模糊加强 */
};
public enum HG_ORENTATION
{
HG_ROTATE_NONE = 0, /* 无旋转 */
HG_ROTATE_90, /* 旋转逆时针90度 */
HG_ROTATE_180, /* 旋转180度 */
HG_ROTATE_270, /* 旋转顺时针90度 */
HG_AUTOTEXT_DETECT /* 文稿方向识别 */
};
public enum HG_STATUSCODE
{
HG_STATUS_SCANNING = 1, /* 正在扫描 */
HG_STATUS_SCANSTOP, /* 扫描停止 */
HG_STATUS_NO_FEED, /* 无纸 */
HG_STATUS_COVEROPEN, /* 开盖 */
HG_STATUS_FEED_IN_ERROR, /* 馈纸错误 */
HG_STATUS_PAPER_JAM, /* 卡纸 */
HG_STATUS_DETECT_STAPLE, /* 订书钉 */
HG_STATUS_DETECT_DOUBLE_FEED, /* 双张 */
HG_STATUS_DETECT_SIZECHECKERROR, /* 尺寸检测错误 */
HG_STATUS_PAPER_SKEW, /* 纸张歪斜 */
HG_STATUS_USBCONNECT, /* 设备已连接 */
HG_STATUS_USBDISCONNECT, /* 设备未连接 */
HG_STATUS_USBERROR /* USB错误 */
};
public enum HG_TRANSFERMODE
{
HG_XFERMEMORY, /* 内存保存图像信息 */
HG_XFERFILE /* 图像文件保存图像信息 */
};
调整老版sdk接口调整c#demo
2022-11-19 03:49:41 +00:00
[StructLayout(LayoutKind.Sequential, Pack = 4)]
提交旧版websdk
2022-11-18 01:12:13 +00:00
public struct HG_FILLHOLE
{
public int enable; /* 使能：开启该功能为true；关闭该功能为false */
public int ratio; /* 穿孔搜索范围（从边缘到页面中心比例）：1~50，对应1%~50% */
};
调整老版sdk接口调整c#demo
2022-11-19 03:49:41 +00:00
[StructLayout(LayoutKind.Sequential, Pack = 4)]
提交旧版websdk
2022-11-18 01:12:13 +00:00
public struct HG_HARDWARECAPS
{
public int capturepixtype; /* 颜色模式 */
public int doubleFeedDetection; /* 双张检测 */
public int bindingDetection; /* 订书钉检测 */
};
调整老版sdk接口调整c#demo
2022-11-19 03:49:41 +00:00
[StructLayout(LayoutKind.Sequential, Pack = 4)]
提交旧版websdk
2022-11-18 01:12:13 +00:00
public struct HG_SCANSIDE
{
public int Duplex; /* 1: both ; 0: front */
public int DiscardBlank; /* 跳过空白页通用 0:disable 1: enbale */
public int DiscardBlankVince; /* 跳过空白页（发票）0:disable 1: enbale */
public int Fold; /* 对折 0:disable 1: enbale */
public int SwitchFrontBack; /* 互换正反面 0:disable 1: enbale */
};
调整老版sdk接口调整c#demo
2022-11-19 03:49:41 +00:00
[StructLayout(LayoutKind.Sequential, Pack = 4)]
提交旧版websdk
2022-11-18 01:12:13 +00:00
public struct HG_IMG
{
public int width; /* 像素宽度 */
public int height; /* 像素高度 */
public int bitdepth; /* 位深 */
public IntPtr pimgdata; /* 数据指针 */
public int bytesperline; /* 每行数据长度 */
public int bufferlength; /*bmp buffer 长度*/
};
调整老版sdk接口调整c#demo
2022-11-19 03:49:41 +00:00
[StructLayout(LayoutKind.Sequential, Pack = 4)]
提交旧版websdk
2022-11-18 01:12:13 +00:00
public struct HG_IMAGEPROCESS
{
public int AutoCrop; /* 自动裁剪尺寸 */
public int Brightness; /* 1~255 */
public int Contrast; /* 1~7 */
public float Gamma; /* 0.1f~5.0f */
public int FillBlackRect; /* 消除黑框 */
public int AutoDescrew; /* 自动纠偏 */
public int RefuseInflow; /* 防止渗透 */
public HG_FILLHOLE FillHole; /* 填穿孔参数 */
public HG_FILTER Filter; /* 除色与颜色增强 */
public int ColorCorrection; /* 色彩校正 */
public int RemoveMorr; /* 去除摩尔纹 */
public int ErrorExtention; /* 错误扩散 */
public int NosieDetach; /* 噪点优化 */
public int NosieDetachEnable; /* 噪点优化使能 */
public int TextureRemove; /* 除网纹 */
public int Indent; /* 边缘缩进像素 */
public int Noise; /* 降噪像素点 */
public int AutoCrop_threshold; /* 自动裁剪二值化阀值 */
public bool Is_convex; /* 填充黑框方式 */
public HG_SHARPENTYPE SharpenType; /* 滤镜类型 */
public int MultiOutFilterRed; /* 多流输出除红 */
public int AnswerSheetFilterRed; /* 答题卡除红 */
public HG_ORENTATION Orentation; /* 图像旋转 */
public int BackRotate180; /* 背面旋转180 */
public int SplitImage; /* 图像拆分 */
public int DiscardBlankThre; /* 跳过空白页阈值 */
};
调整老版sdk接口调整c#demo
2022-11-19 03:49:41 +00:00
[StructLayout(LayoutKind.Sequential, Pack = 4)]
提交旧版websdk
2022-11-18 01:12:13 +00:00
public struct HG_SCANPARAMS
{
public HG_COLORMODE PixelType; /* 色彩：彩色/灰度/黑白 */
public HG_MULTIOUTPUT MultiOutput; /* 多流输出：彩色+灰度+黑白 */
public HG_PAPERTYPE PaperSize; /* 幅面 */
public HG_PAPERALIGN PaperAlign; /* 文档方向 */
public HG_CACHEIMGFORMAT CacheFormat; /* 缓存图像格式*/
public int Resolution; /* 分辨率：100/150/200/300/600 */
public HG_SCANSIDE ScanSide; /* 正反面：正面/正反双面 */
public HG_IMAGEPROCESS ImageProcess; /* 图像处理 */
public HG_HARDWARECAPS HardwareParam; /* 硬件参数 */
};
private string selectedScanner;
private IntPtr scannerHandle = IntPtr.Zero;
private static HG_OnImage_Callback imageCallback = new HG_OnImage_Callback(ImageCallback);
private static HG_OnDevice_Event_Callback deviceCallback = new HG_OnDevice_Event_Callback(DeviceCallback);
public int initDriver()
{
调整老版sdk接口调整c#demo
2022-11-19 03:49:41 +00:00
HG_Init();
提交旧版websdk
2022-11-18 01:12:13 +00:00
return 0;
}
public int unloadDriver()
{
HG_CloseScanner();
scannerHandle = IntPtr.Zero;
return 0;
}
public void initInstance()
{
string aa = "，";
var ret = HG_GetDevices(aa);
selectedScanner = Marshal.PtrToStringAnsi(ret);
}
public void initSetting()
{
}
/// <summary>
/// 热效参数设置
/// </summary>
public int TimelySetParams()
{
if (scannerHandle == IntPtr.Zero)
{
HG_Set_OnDeviceEvent_callback(deviceCallback, IntPtr.Zero);
if (selectedScanner == null)
return -1;
scannerHandle = HG_OpenScanner(selectedScanner);
if (scannerHandle == IntPtr.Zero)
{
return -1;
}
}
demo更新
2022-11-29 08:16:26 +00:00
//string imt_tye = ".jpg";
//HG_ImgSaveType(imt_tye);
HG_SET_IMG_COMPRESSION(20);
提交旧版websdk
2022-11-18 01:12:13 +00:00
HG_SCANPARAMS scanParams = new HG_SCANPARAMS();
int retVal = HG_Get_Scan_Params(scannerHandle, ref scanParams);
if (retVal != 0)
{
return retVal;
}
//HG_SCANPARAMS scanParams = (HG_SCANPARAMS)Marshal.PtrToStructure(param, typeof(HG_SCANPARAMS));
//设置当前使用的配置项
调整老版sdk接口调整c#demo
2022-11-19 03:49:41 +00:00
demo更新
2022-11-29 08:16:26 +00:00
scanParams.PixelType = HG_COLORMODE.HG_BlackWhite;
提交旧版websdk
2022-11-18 01:12:13 +00:00
scanParams.MultiOutput = HG_MULTIOUTPUT.HG_Unused;
scanParams.PaperSize = HG_PAPERTYPE.HG_None;
scanParams.PaperAlign = (HG_PAPERALIGN.HG_Rot0);
scanParams.ImageProcess.AutoCrop = 1;
int resolution = 200;
scanParams.Resolution = resolution;
int duplex = 1;
scanParams.ScanSide.Duplex = duplex;
scanParams.ImageProcess.FillBlackRect = 1;
scanParams.ImageProcess.AutoDescrew = 1;
scanParams.HardwareParam.doubleFeedDetection = 1;
scanParams.HardwareParam.bindingDetection = 1;
scanParams.ImageProcess.AutoCrop_threshold = 40;
demo更新
2022-11-29 08:16:26 +00:00
scanParams.ImageProcess.Orentation = HG_ORENTATION.HG_AUTOTEXT_DETECT;
提交旧版websdk
2022-11-18 01:12:13 +00:00
retVal = HG_Set_Scan_Params(scannerHandle, scanParams);
if (retVal != 0)
{
return retVal;
}
return retVal;
}
static int imgindex = 0;
demo更新
2022-11-29 08:16:26 +00:00
public static ImageCodecInfo GetEncoderInfo(String mimeType)
{
int j;
ImageCodecInfo[] encoders;
encoders = ImageCodecInfo.GetImageEncoders();
for (j = 0; j < encoders.Length; ++j)
{
if (encoders[j].MimeType == mimeType)
return encoders[j];
}
return null;
}
提交旧版websdk
2022-11-18 01:12:13 +00:00
public static void ImageCallback(IntPtr img, IntPtr obj)
{
//
{
//logger.Debug("Image callback invoked.");
}
if (img == IntPtr.Zero)
{
return;
}
HG_IMG image = (HG_IMG)Marshal.PtrToStructure(img, typeof(HG_IMG));
//
{
//logger.Debug("The result for image is: width -> " + image.width + ", height -> " + image.height + ", bitdepth -> " + image.bitdepth + ", bytesperline -> " + image.bytesperline);
}
if (image.height == 0 || image.width == 0 || image.bitdepth == 0)
{
//r.IsErrorEnabled)
{
//logger.Error("Image is invalid.");
}
return;
}
string destFileName = "aa.tiff";
// 从图像数据生成文件
byte[] data = new byte[image.bufferlength];
Marshal.Copy(image.pimgdata, data, 0, image.bufferlength);
调整老版sdk接口调整c#demo
2022-11-19 03:49:41 +00:00
//for (int i = 0; i < 12; i++)
//{
// //logger.Debug("Byte content is: " + data[i]);
//}
提交旧版websdk
2022-11-18 01:12:13 +00:00
var ptr= Marshal.UnsafeAddrOfPinnedArrayElement(data, 0);
demo更新
2022-11-29 08:16:26 +00:00
Bitmap bmp;
long Qty = 20;
using (var stream = new MemoryStream(data))
{
bmp = new Bitmap(stream);
System.Drawing.Imaging.Encoder myEncoder = System.Drawing.Imaging.Encoder.Quality;
EncoderParameters myEncoderParameters = new EncoderParameters(1);
EncoderParameter myEncoderParameter = new EncoderParameter(myEncoder, 50L);
myEncoderParameters.Param[0] = myEncoderParameter;
ImageCodecInfo myImageCodecInfo = GetEncoderInfo("image/jpeg");
/* EncoderParameter myEncoderParameter;
提交旧版websdk
2022-11-18 01:12:13 +00:00
EncoderParameters myEncoderParameters;
ImageCodecInfo myImageCodecInfo =
ImageCodecInfo.GetImageDecoders()[0];
//设置图像颜色深度参数colordepth为8位，并加入到编码器参数parameters中
myEncoder = System.Drawing.Imaging.Encoder.Compression;
myEncoderParameters = new EncoderParameters(1);
demo更新
2022-11-29 08:16:26 +00:00
// myEncoderParameter = new EncoderParameter(myEncoder, Qty);
myEncoderParameter = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 20L);
调整老版sdk接口调整c#demo
2022-11-19 03:49:41 +00:00
myEncoderParameters.Param[0] = myEncoderParameter;*/
demo更新
2022-11-29 08:16:26 +00:00
// bmp.Save((imgindex++).ToString() + ".jpg");
// bmp.Save((imgindex++).ToString() + ".jpg", ImageFormat.Bmp);
// bmp.Save((imgindex++).ToString() + ".jpg", myImageCodecInfo, myEncoderParameters);
// 文件写入
FileStream fs = new FileStream((imgindex++).ToString() + ".jpg", FileMode.Create);
StreamWriter sw = new StreamWriter(fs);
//开始写入
fs.Write(data, 0, image.bufferlength);
//清空缓冲区
fs.Flush();
//关闭流
sw.Close();
fs.Close();
// using (FileStream fsWrite = new FileStream((imgindex++).ToString() + ".jpg", FileMode.Append, FileAccess.Write))
{
//Console.WriteLine(stream); //提示用户输入字符串
// string str = Console.ReadLine(); //接收用户输入的字符串
// byte[] array = Encoding.UTF8.GetBytes(Encoding.ASCII.GetChars(data)); //将字符串转换为字节数组
// fsWrite.Write(data, 0, image.bufferlength); //将字节数组写入到文本文件
//Consoele.WriteLine("写入成功");
// Console.ReadKey();
// fsWrite.Close();
}
}
调整老版sdk接口调整c#demo
2022-11-19 03:49:41 +00:00
System.IO.MemoryStream ms = new System.IO.MemoryStream(data);
System.Drawing.Image img1 = System.Drawing.Image.FromStream(ms);
//保存到磁盘文件
string imagePath = System.IO.Path.Combine();
// if (!System.IO.Directory.Exists(imagePath))
// System.IO.Directory.CreateDirectory(imagePath);
demo更新
2022-11-29 08:16:26 +00:00
// img1.Save(System.IO.Path.Combine(imagePath, (imgindex++).ToString() + ".TIF"), System.Drawing.Imaging.ImageFormat.Jpeg);
调整老版sdk接口调整c#demo
2022-11-19 03:49:41 +00:00
ms.Dispose();
demo更新
2022-11-29 08:16:26 +00:00
// MessageBox.Show("图片已保存至：" + m_ImagrRootDir);
提交旧版websdk
2022-11-18 01:12:13 +00:00
//bmp.Save(imgindex.ToString() + ".bmp", ImageFormat.Bmp);
//bmp.Save(destFileName, ImageFormat.Tiff);
//
{
//logger.Debug("Save scan result into file: " + destFileName);
}
// 通过图像路径地址显示
}
public static void DeviceCallback(HG_STATUSCODE code, IntPtr obj)
{
switch (code)
{
case HG_STATUSCODE.HG_STATUS_SCANNING:
break;
case HG_STATUSCODE.HG_STATUS_SCANSTOP:
break;
case HG_STATUSCODE.HG_STATUS_NO_FEED:
MessageBox.Show("没有纸");
break;
case HG_STATUSCODE.HG_STATUS_COVEROPEN:
break;
case HG_STATUSCODE.HG_STATUS_FEED_IN_ERROR:
MessageBox.Show("进纸错误");
break;
case HG_STATUSCODE.HG_STATUS_PAPER_JAM:
MessageBox.Show("卡纸");
break;
case HG_STATUSCODE.HG_STATUS_DETECT_STAPLE:
MessageBox.Show("检测到订书钉");
break;
case HG_STATUSCODE.HG_STATUS_DETECT_DOUBLE_FEED:
MessageBox.Show("检测到双页进纸");
break;
case HG_STATUSCODE.HG_STATUS_DETECT_SIZECHECKERROR:
break;
case HG_STATUSCODE.HG_STATUS_PAPER_SKEW:
MessageBox.Show("纸张歪斜");
break;
case HG_STATUSCODE.HG_STATUS_USBCONNECT:
break;
case HG_STATUSCODE.HG_STATUS_USBDISCONNECT:
break;
case HG_STATUSCODE.HG_STATUS_USBERROR:
break;
default:
break;
}
}
public int scanExec()
{
TimelySetParams();
调整老版sdk接口调整c#demo
2022-11-19 03:49:41 +00:00
HG_Set_AquireImg_callback(imageCallback, IntPtr.Zero);
提交旧版websdk
2022-11-18 01:12:13 +00:00
// 输入参数 -1: 连续扫描 >=1: 指定页数
调整老版sdk接口调整c#demo
2022-11-19 03:49:41 +00:00
int retVal = HG_StartScan(scannerHandle, -1);
提交旧版websdk
2022-11-18 01:12:13 +00:00
if (retVal != 0)
{
MessageBox.Show("扫描时发生错误，错误码: " + retVal);
}
调整老版sdk接口调整c#demo
2022-11-19 03:49:41 +00:00
提交旧版websdk
2022-11-18 01:12:13 +00:00
return retVal;
}
调整老版sdk接口调整c#demo
2022-11-19 03:49:41 +00:00
public int stopscan()
{
// 重置扫描状态
int retVal = HG_StopScan(scannerHandle);
if (retVal != 0)
{
提交旧版websdk
2022-11-18 01:12:13 +00:00
调整老版sdk接口调整c#demo
2022-11-19 03:49:41 +00:00
}
// HG_CloseScanner();
// scannerHandle = IntPtr.Zero;
return retVal; ;
}
提交旧版websdk
2022-11-18 01:12:13 +00:00
protected int scanCancel()
{
// 重置扫描状态
int retVal = HG_StopScan(scannerHandle);
if (retVal != 0)
{
}
HG_CloseScanner();
scannerHandle = IntPtr.Zero;
return retVal;
}
}
}