public static extern int ISMS_StartPlaybackEx(int lQueryHandle, IntPtr pWnd, DelegateDef.StreamCallBack fnTranformedData,
DelegateDef.PlayMsgCallBack fnPlayMsg, DelegateDef.DecodedDataCallBack fnDecodedData, IntPtr pUserData); // C++中是long C#中为int
void InitDelegates()
{
_OnPreviewDecodedDataCallBack = new DelegateDef.DecodedDataCallBack(OnPreviewDecodedDataCallBack);
_OnPreviewMsgCallBack = new DelegateDef.PlayMsgCallBack(OnPreviewMsgCallBack);
_OnPreviewStreamCallBack = new DelegateDef.StreamCallBack(OnPreviewCallBack);
}
public static extern int ISMS_StartPreviewEx(string szCameraUuid, IntPtr pWnd, streamType enStreamType, DelegateDef.StreamCallBack fnTranformedData,
DelegateDef.PlayMsgCallBack fnPlayMsg, DelegateDef.DecodedDataCallBack fnDecodedData, IntPtr pUserData);