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NET_SDK_FindEvent

Interface Definition

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POINTERHANDLE NET_SDK_FindEvent(
    LONG lUserID,
    LONG lChannel,
    DWORD dwRecType,
    DD_TIME* lpStartTime,
    DD_TIME* lpStopTime);
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public static extern POINTERHANDLE NET_SDK_FindEvent(
    Int32 lUserID,
    Int32 lChannel,
    uint dwRecType,
    ref DD_TIME lpStartTime,
    ref DD_TIME lpStopTime);

Function Description

Search for video files based on events.

Parameter Description

Parameters Type Remark
lUserIDin LONG User ID, the return value of NET_SDK_Login or NET_SDK_LoginEx.
lChannelin LONG Channel number, starting from 0. This parameter is invalid for IPC devices.
dwRecTypein DWORD Event type.
lpStartTimein DD_TIME* The start time of the file, refer to DD_TIME.
lpStopTimein DD_TIME* End time of the file, refer to DD_TIME.

Return Value

  • type:POINTERHANDLE

  • remark:-1 indicates failure, other values ​​are used as the lookup handle.

Remarks

This interface specifies the information of the video file to be found (by event). After the call is successful, the NET_SDK_FindNextEvent interface can be called to obtain the file information. The video files found by event are based on the start time and stop time, so only playback by time NET_SDK_PlayBackByTime() is supported.

Error Code