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NET_SDK_GetFileByTime

Interface Definition

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POINTERHANDLE NET_SDK_GetFileByTime(
    LONG lUserID,
    LONG lChannel,
    DD_TIME* lpStartTime,
    DD_TIME* lpStopTime,
    char* sSavedFileName);
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public static extern POINTERHANDLE NET_SDK_GetFileByTime(
    Int32 lUserID,
    Int32 lChannel,
    ref DD_TIME lpStartTime,
    ref DD_TIME lpStopTime,
    String sSavedFileName);

Function Description

Download video files by time.

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.
lpStartTimein DD_TIME* Start time pointer.
lpStopTimein DD_TIME* End time pointer.
sSavedFileNamein char* The file path saved to the local area, note: Please use absolute paths, and do not use relative paths.

Return Value

  • type:POINTERHANDLE

  • remark:-1 indicates failure, other values ​​are used as handles for the downloaded file.

Remarks

None

Error Code