// 获取设备名 为 name 的设备 返回数量
public int CameraCount(string name)
{
m_hCamera = -1;
int count = 0;
int nRet;
/*创建设备列表*/
System.GC.Collect();
CameraOperator_HK.EnumDevices(MyCamera.MV_GIGE_DEVICE | MyCamera.MV_USB_DEVICE, ref m_pDeviceList);
//在窗体列表中显示设备名
for (int i = 0; i < m_pDeviceList.nDeviceNum; i++)
{
MyCamera.MV_CC_DEVICE_INFO device = (MyCamera.MV_CC_DEVICE_INFO)Marshal.PtrToStructure(m_pDeviceList.pDeviceInfo[i], typeof(MyCamera.MV_CC_DEVICE_INFO));
if (device.nTLayerType == MyCamera.MV_GIGE_DEVICE)
{
IntPtr buffer = Marshal.UnsafeAddrOfPinnedArrayElement(device.SpecialInfo.stGigEInfo, 0);
MyCamera.MV_GIGE_DEVICE_INFO gigeInfo = (MyCamera.MV_GIGE_DEVICE_INFO)Marshal.PtrToStructure(buffer, typeof(MyCamera.MV_GIGE_DEVICE_INFO));
//if (name == gigeInfo.chModelName)
//{
bitmapInfo.CameraName = name;
m_hCamera = i;
//}
}
}
count = (int)m_pDeviceList.nDeviceNum;
return(count);
}
//public MyCamera.MV_FRAME_OUT_INFO stFrameInfo;
public void OnMVImageReadyEventCallback()
{
lock (obj)
{
try
{
byte[] buffer = new byte[SizeMax.Width * SizeMax.Height * 3];
IntPtr pData = Marshal.UnsafeAddrOfPinnedArrayElement(buffer, 0);
UInt32 nDataLen = 0;
//stFrameInfo = new MyCamera.MV_FRAME_OUT_INFO();
stFrameInfo = new MyCamera.MV_FRAME_OUT_INFO_EX();
int nRet;
//超时获取一帧，超时时间为1秒
// nRet = GetOneFrame(pData, ref nDataLen, (uint)SizeMax.Width * (uint)SizeMax.Height * 3, ref stFrameInfo);
nRet = GetImageBGR(pData, (uint)SizeMax.Width * (uint)SizeMax.Height * 3, ref stFrameInfo);
if (MyCamera.MV_OK == nRet)
{
if (m_bitmap != null)
{
/* Update the bitmap with the image data. */
CameraOperator_HK.UpdateBitmap(m_bitmap, buffer, stFrameInfo.nWidth, stFrameInfo.nHeight, true);
/* To show the new image, request the display control to update itself. */
}
else /* A new bitmap is required. */
{
CameraOperator_HK.CreateBitmap(ref m_bitmap, stFrameInfo.nWidth, stFrameInfo.nHeight, true);
CameraOperator_HK.UpdateBitmap(m_bitmap, buffer, stFrameInfo.nWidth, stFrameInfo.nHeight, true);
//* Provide the display control with the new bitmap. This action automatically updates the display. */
}
bitmapInfo.m_Bitmap = (Bitmap)m_bitmap.Clone();
if (ImageReady != null)
{
ImageReady(bitmapInfo, IsContinuousShot);
}
}
}
catch (Exception e)
{
}
}
}