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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_ITEM_HEAD

### Structure Definition

C++C#

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    typedef struct _dd_config_item_head_
    {
        unsigned short itemID;
        unsigned short num;
        unsigned short subLen;
        unsigned short recv;
        unsigned int len;
    } DD_CONFIG_ITEM_HEAD;

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    [StructLayout(LayoutKind.Sequential, Pack = 4)]
    public struct DD_CONFIG_ITEM_HEAD
    {
        public UInt16 itemID;
        public UInt16 num;
        public UInt16 subLen;
        public UInt16 recv;
        public UInt32 len;
    }

### Function Description

Configure header information.

### Member Description

Member | Type | Remark
--- | --- | ---
itemID | unsigned short | ID.
num | unsigned short | The number of elements, such as the number of channels, each channel corresponds to an element.
subLen | unsigned short | The length of each element.
recv | unsigned short | Reserved bytes.
len | unsigned int | Total length of data.

Error Code