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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.

# NVRChlInfoStruct

### Structure Definition

C++C#

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    struct NVRChlInfoStruct
    {
        int softwareVersion;
        int productType;
        int deviceType;
        int supportSoftEncrypt;
        char detailedSoftwareVersion[64];
        char mac[32];
    };

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    [StructLayout(LayoutKind.Sequential, Pack = 4)]
    public struct NVRChlInfoStruct
    {
        public Int32 softwareVersion;
        public Int32 productType;
        public Int32 deviceType;
        public Int32 supportSoftEncrypt;
        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 64)]
        public string detailedSoftwareVersion;
        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
        public string mac;
    }

### Function Description

NVR channel information structure.

### Member Description

Member | Type | Remark
--- | --- | ---
softwareVersion | int | Software version.
productType | int | Product model.
deviceType | int | Device type.
supportSoftEncrypt | int | Whether to support software encryption, 1: support; 0: do not support.
detailedSoftwareVersion | char[64] | Detailed software version.
mac | char[32] | MAC address.

Error Code