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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.

# DD_CONFIG_BLOCK_HEAD

### Structure Definition

C++C#

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    typedef struct _dd_config_block_head_
    {
        unsigned int biSize;
        unsigned int ItemNum;
        unsigned int netcfgver;
    } DD_CONFIG_BLOCK_HEAD;

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    [StructLayout(LayoutKind.Sequential, Pack = 4)]
    public struct DD_CONFIG_BLOCK_HEAD
    {
        public UInt32 biSize;
        public UInt32 ItemNum;
        public UInt32 netcfgver;
    }

### Function Description

Configure block header information.

### Member Description

Member | Type | Remark
--- | --- | ---
biSize | unsigned int | The length of this structure.
ItemNum | unsigned int | Number of elements.
netcfgver | unsigned int | The currently defined version number is fixedly transmitted by the device side as DD_CONFIG_VERSION, and the client side determines it dynamically as needed.

Error Code