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This SDK only works with devices released within the past 3 years. We regularly optimize and update the SDK to ensure compatibility and performance. We do not guarantee compatibility or provide technical support for devices older than 3 years.

# NET_SDK_IVE_VEHICE_HEAD_INFO

### Structure Definition

C++C#

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    typedef struct
    {
        unsigned int begin_flag;
        unsigned int item_cnt;
        unsigned int plate_cnt;
        long long relativeTime;
        long long absoluteTime;
        unsigned int softwareVersion;
        unsigned int softwareBuildDate;
        unsigned char testFlag;
        unsigned char expandInfoFlag;
        unsigned char resver1[2];
        unsigned int resver[1];
        unsigned int end_flag;
    } NET_SDK_IVE_VEHICE_HEAD_INFO;

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    [StructLayout(LayoutKind.Sequential, Pack = 4)]
    public struct NET_SDK_IVE_VEHICE_HEAD_INFO
    {
        public UInt32 begin_flag;
        public UInt32 item_cnt;
        public UInt32 plate_cnt;
        public Int64 relativeTime;
        public Int64 absoluteTime;
        public UInt32 softwareVersion;
        public UInt32 softwareBuildDate;
        public byte testFlag;
        public byte expandInfoFlag;
        [MarshalAs(UnmanagedType.ByValArray, ArraySubType = UnmanagedType.U1, SizeConst = 2)]
        public byte[] resver1;
        [MarshalAs(UnmanagedType.ByValArray, ArraySubType = UnmanagedType.U4, SizeConst = 1)]
        public UInt32[] resver;
        public UInt32 end_flag;
    }

### Function Description

License plate recognition alarm callback message header.

### Member Description

Member | Type | Remark
--- | --- | ---
begin_flag | unsigned int | Start marker, 0x5a5a5a5a.
item_cnt | unsigned int | The number of `NET_SDK_IVE_VEHICE_ITEM_INFO`.
plate_cnt | unsigned int | The number of license plates detected.
relativeTime | long long | Detect source data relative time, relative time.
absoluteTime | long long | Detect the current time of the source data, absolute time.
softwareVersion | unsigned int | Software version number, 0xABCDEFGH, AB: manufacturer; CD: main version; EFGH: sub-version Manufacturer 1: Omron Version: V5.00.
softwareBuildDate | unsigned int | Software build date, 0xYYYYMMDD.
testFlag | unsigned char | Report type identifier, 0: normal report; 1: test report.
expandInfoFlag | unsigned char | Whether there is an extended information structure flag, 0: no extended information structure; 1: yes extended information structure.
resver1 | unsigned char[2] | Reserved field.
resver | unsigned int[1] | Reserved field.
end_flag | unsigned int | End marker, 0xa5a5a5a5.

Error Code