我在使用Winform7.0开发海康相机应用的时候系统悄无声息的退出

 1  　　　　#region 私有实例字段
 2 
 3         private MyCamera[]? _myCameras;//相机实例的数组。
 4         private MyCamera.MV_CC_DEVICE_INFO_LIST _deviceInformationList;//相机信息的列表
 5        
 7         //图片文件的存储路径：根目录/当前扫描时间（作为目录）/相机编号
 8         private string? _saveImageBaseDirectory;   //图像文件存储的根路径路径。
 9         private string? _saveImageOnceTimeDirectory;   //单次扫描图像文件的存储路径，目录结构：根目录+当前扫描时间
10         private string[]? _saveImageForCameraDirectory;//最终存储图片文件的路径，目录结构：根目录+当前扫描时间+相机序列号（有多少台相机，就有多少个目录）
11         private IntPtr[]? _imageDisplayHandles;//针对每台相机图像进行显示处理，应为有多台，所以是数据类型是数组。
14         private MyCamera.cbOutputExdelegate _outputImageDelegate;
17         #endregion

 1 　　　　/// <summary>
 2         /// 初始化新实例。
 3         /// </summary>
 4         public frmMonitoring()
 5         {
 6             InitializeComponent();
 7             _outputImageDelegate = new MyCamera.cbOutputExdelegate(SaveImageCallBack);
 8             _patrolProcessor = new OrientalMotorPatrolProcessor();
 9           
10 
11             #region 全局异常处理
12 
13             AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
14             Application.ThreadException += Application_ThreadException;
15 
16             #endregion
17         }

 1 　　　　#region 异常处理
 2 
 3         /// <summary>
 4         /// 该方法处理用于处理 Windows 窗体线程引发的异常。
 5         /// </summary>
 6         /// <param name="sender"></param>
 7         /// <param name="e"></param>
 8         /// <exception cref="NotImplementedException"></exception>
 9         private void Application_ThreadException(object sender, ThreadExceptionEventArgs e)
10         {
11             try
12             {
13                 ShowPromptMessage(e.Exception.Message);
14             }
15             catch (Exception)
16             {
17                 try
18                 {
19                     ShowPromptMessage("不可恢复的非 Windows 窗体线程异常，应用程序将退出！");
20                 }
21                 finally
22                 {
23                     Application.Exit();
24                 }
25             }
26         }
27 
28         /// <summary>
29         /// 使用该方法处理非UI线程所发生的异常。
30         /// </summary>
31         /// <param name="sender"></param>
32         /// <param name="e"></param>
33         /// <exception cref="NotImplementedException"></exception>
34         private void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
35         {
36             try
37             {
38                 var exceptionObject = e.ExceptionObject as Exception;
39                 if (exceptionObject != null)
40                 {
41                     ShowPromptMessage(exceptionObject.Message);
42                 }
43             }
44             catch (Exception)
45             {
46                 try
47                 {
48                     ShowPromptMessage("不可恢复的非 Windows 窗体线程异常，应用程序将退出！");
49                 }
50                 finally
51                 {
52                     Application.Exit();
53                 }
54             }
55 
56         }
57 
58         #endregion 

 1 　　　　　/// <summary>
 2         /// 用于显示系统的提示信息，包括异常信息、操作信息等。
 3         /// </summary>
 4         /// <param name="message">需要显示的信息内容。</param>
 5         /// <param name="stateCode">具体操作的状态码值，该值可有可无，不是所有操作都有状态值的，默认值：0，表示没有状态值。</param>
 6         private void ShowPromptMessage(string message, int stateCode = 0)
 7         {
 8             string resultMessage;
 9             if (stateCode == 0)
10             {
11                 resultMessage = $"{message}\r\n";
12             }
13             else
14             {
15                 resultMessage = $"{message}: Error ={string.Format("{0:X}", stateCode)}";
16             }
17 
18             switch (stateCode)
19             {
20                 case MyCamera.MV_E_HANDLE: resultMessage += "，错误或无效句柄（Error or invalid handle）\r\n"; break;
21                 case MyCamera.MV_E_SUPPORT: resultMessage += "，不支持的功能（Not supported function）\r\n"; break;
22                 case MyCamera.MV_E_BUFOVER: resultMessage += "，缓存已满（Cache is full）\r\n"; break;
23                 case MyCamera.MV_E_CALLORDER: resultMessage += "，函数调用顺序错误（Function calling order error）\r\n"; break;
24                 case MyCamera.MV_E_PARAMETER: resultMessage += "，不正确的参数（Incorrect parameter）\r\n"; break;
25                 case MyCamera.MV_E_RESOURCE: resultMessage += "，应用资源失败（Applying resource failed）\r\n"; break;
26                 case MyCamera.MV_E_NODATA: resultMessage += "，没有数据（No data ）\r\n"; break;
27                 case MyCamera.MV_E_PRECONDITION: resultMessage += "，前提条件错误，或运行环境已更改（Precondition error, or running environment changed）\r\n"; break;
28                 case MyCamera.MV_E_VERSION: resultMessage += "，版本不匹配（Version mismatches）\r\n"; break;
29                 case MyCamera.MV_E_NOENOUGH_BUF: resultMessage += "，内存不足（Insufficient memory）\r\n"; break;
30                 case MyCamera.MV_E_UNKNOW: resultMessage += "，未知错误（Unknown error）\r\n"; break;
31                 case MyCamera.MV_E_GC_GENERIC: resultMessage += "，一般错误（General error）\r\n"; break;
32                 case MyCamera.MV_E_GC_ACCESS: resultMessage += "，节点访问条件错误（Node accessing condition error）\r\n"; break;
33                 case MyCamera.MV_E_ACCESS_DENIED: resultMessage += "，没有权限（No permission）\r\n"; break;
34                 case MyCamera.MV_E_BUSY: resultMessage += "，设备正忙或网络断开连接（Device is busy, or network disconnected）\r\n"; break;
35                 case MyCamera.MV_E_NETER: resultMessage += "，网络错误（Network error）\r\n"; break;
36             }
37 
38             SetAsyncControlText(txtExceptionMessage, $">> {resultMessage}", true);
39         }

 1 　　　　　　　　　MyCamera.MV_CC_DEVICE_INFO[] _deviceInfoArray = new MyCamera.MV_CC_DEVICE_INFO[localDeviceCount];
 2                 object? localDeviceInfo = null;
 3                 MyCamera.MV_CC_DEVICE_INFO device;                
 4 
 5                 for (int i = 0; i < localDeviceCount; ++i)
 6                 {
 7                     if (_deviceInformationList.pDeviceInfo != null && _deviceInformationList.pDeviceInfo.Length > 0)
 8                     {
 9                         localDeviceInfo = Marshal.PtrToStructure(_deviceInformationList.pDeviceInfo[i], typeof(MyCamera.MV_CC_DEVICE_INFO));
10                         if (localDeviceInfo != null)
11                         {
12                             //获取选择的设备信息
13                             device = (MyCamera.MV_CC_DEVICE_INFO)localDeviceInfo;
14 
15                             //打开设备
16                             if (cameras[i] == null)
17                             {
18                                 cameras[i] = new MyCamera();
19                             }
20 
21                             stateCode = cameras[i].MV_CC_CreateDevice_NET(ref device);
22                             if (MyCamera.MV_OK != stateCode)
23                             {
24                                 return;
25                             }
26 
27                             stateCode = cameras[i].MV_CC_OpenDevice_NET();
28                             if (MyCamera.MV_OK != stateCode)
29                             {
30                                 return;
31                             }
32                             else
33                             {
34                                 _deviceInfoArray[i] = device;
35                                 // 探测网络最佳包大小(只对GigE相机有效)，我们是USB相机
36                                 if (device.nTLayerType == MyCamera.MV_GIGE_DEVICE)
37                                 {
38                                     int nPacketSize = cameras[i].MV_CC_GetOptimalPacketSize_NET();
39                                     if (nPacketSize > 0)
40                                     {
41                                         stateCode = cameras[i].MV_CC_SetIntValue_NET("GevSCPSPacketSize", (uint)nPacketSize);
42                                         if (stateCode != MyCamera.MV_OK)
43                                         {
44                                             ShowPromptMessage("Warning: Set Packet Size failed {0:x8}", stateCode);
45                                         }
46                                     }
47                                     else
48                                     {
49                                         ShowPromptMessage("Warning: Get Packet Size failed {0:x8}", stateCode);
50                                     }
51                                 }
52 
53                                 //1、开启设置触发模式                                
54                                 SetCameraTriggerMode(cameras[i]);
55                                 //2、设置具体的触发模式为软触发
56                                 SetCameraTriggerSource(cameras[i]);
57                                 cameras[i].MV_CC_RegisterImageCallBackEx_NET(_outputImageDelegate, i);
58                             }
59                         }
60                     }
61                 }

 1 　　　　　/// <summary>
 2         /// 获取帧数据并保存为图像的回调函数。
 3         /// </summary>
 4         /// <param name="frameData">图像的帧数据。</param>
 5         /// <param name="frameInfo">图像的帧信息。</param>
 6         /// <param name="cameraIndex">相机的索引，因为有多台相机。</param>
 7         private void SaveImageCallBack(IntPtr frameData, ref MyCamera.MV_FRAME_OUT_INFO_EX frameInfo, IntPtr cameraIndex)
 8         {
 9             int _cameraIndex = (int)cameraIndex;
10 
11             if (_perCameraTotalFrames != null && _perCameraTotalFrames.Length > 0)
12             {
13                 //抓取的帧数
14                 ++_perCameraTotalFrames[_cameraIndex];
15 
16                 //第一个相机数据，每台相机处理的数据是一样的，随机选择第一个，作为结果输出。
17                 if (_cameraIndex == 0)
18                 {
19                     SetAsyncControlText(lblAcquisitionCountValue, _perCameraTotalFrames[_cameraIndex].ToString());
20                 }
21             }
22 
23             //显示图像 
24             //将相机图像显示到对应的位置
25             if (_imageDisplayHandles != null && _imageDisplayHandles.Length > 0)
26             {
27                 MyCamera.MV_DISPLAY_FRAME_INFO displayFrameInfo = new MyCamera.MV_DISPLAY_FRAME_INFO();
28                 displayFrameInfo.hWnd = _imageDisplayHandles[_cameraIndex];
29                 displayFrameInfo.pData = frameData;
30                 displayFrameInfo.nDataLen = frameInfo.nFrameLen;
31                 displayFrameInfo.nWidth = frameInfo.nWidth;
32                 displayFrameInfo.nHeight = frameInfo.nHeight;
33                 displayFrameInfo.enPixelType = frameInfo.enPixelType;
34 
35                 if (_myCameras != null && _myCameras.Length > 0)
36                 {
37                     CameraDisplayOneFrame(_myCameras[_cameraIndex], ref displayFrameInfo);
38                 }
39             }
40 
41             //判断当前相机是否允许保存图像
42             if (_isPerCameraSaveImage != null && _isPerCameraSaveImage.Length > 0)
43             {
44                 if (_isPerCameraSaveImage[_cameraIndex] && _saveImageForCameraDirectory != null && _saveImageForCameraDirectory.Length > 0 && _perCameraSerialNumbers != null && _perCameraSerialNumbers.Length > 0)
45                 {
46                     MyCamera.MV_SAVE_IMG_TO_FILE_PARAM stSaveToFileParam = new MyCamera.MV_SAVE_IMG_TO_FILE_PARAM();
47 
48                     stSaveToFileParam.enPixelType = frameInfo.enPixelType;
49                     stSaveToFileParam.pData = frameData;
50                     stSaveToFileParam.nDataLen = frameInfo.nFrameLen;
51                     stSaveToFileParam.nWidth = frameInfo.nWidth;
52                     stSaveToFileParam.nHeight = frameInfo.nHeight;
53 
54                     stSaveToFileParam.enImageType = MyCamera.MV_SAVE_IAMGE_TYPE.MV_Image_Bmp;
55                     stSaveToFileParam.nQuality = 100;
56                     //图像文件名应包含采集时间、对应相机ID号、玻璃编号等信息
57                     var saveImageFullPath = $"{_saveImageForCameraDirectory[_cameraIndex]}\\{DateTime.Now.ToString("yyyyMMddHHmmss")}_{_perCameraSerialNumbers[_cameraIndex]}_{_patrolFileGlassNumber}.bmp";
58                     stSaveToFileParam.pImagePath = saveImageFullPath;
59 
60                     if (_myCameras != null && _myCameras.Length > 0)
61                     {
62                         _myCameras[_cameraIndex].MV_CC_SaveImageToFile_NET(ref stSaveToFileParam);
63                         CameraSaveImageToFile(_myCameras[_cameraIndex], ref stSaveToFileParam);
64                     }
65                 }
66             }
67         }