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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_FindNextEventInfo

### Interface Definition

C++C#

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    LONG NET_SDK_FindNextEventInfo(
        POINTERHANDLE lEventHandle,
        LPNET_SDK_EVENT lpEventData);

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    public static extern int NET_SDK_FindNextEventInfo(
        POINTERHANDLE lEventHandle,
        ref NET_SDK_EVENT lpEventData);

### Function Description

Get the found event information one by one (only supports 3.0DVR).

### Parameter Description

Parameters | Type | Remark
--- | --- | ---
lEventHandlein | POINTERHANDLE | Event information search handle, the return value of `NET_SDK_FindEventInfo`.
lpEventDataout | `LPNET_SDK_EVENT` | Pointer to store event information.

### Return Value

- Type：LONG

- Remark：-1 indicates failure, and other values ​​indicate the current status of obtaining event information. For details, refer to `NET_SDK_ERROR`.

### Remarks

Before calling this interface to obtain the search file, you must first call `NET_SDK_FindEventInfo` to obtain the current search handle.

Error Code