private static extern IntPtr nim_http_create_download_file_range_request([MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(NimUtility.Utf8StringMarshaler))] string url,
[MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(NimUtility.Utf8StringMarshaler))] string download_file_path,
long range_start, NimHttpDef.CompletedCb complete_cb, IntPtr user_data);
/// <summary>
/// 创建下载文件任务，支持断点续传
/// </summary>
/// <param name="url">资源地址</param>
/// <param name="downloadFilePath">下载文件保存的本地路径</param>
/// <param name="rangeStart"></param>
/// <param name="completeCb">结束回调</param>
/// <param name="userData">自定义数据</param>
/// <returns>http任务句柄</returns>
public static IntPtr CreateDownloadFileRangeRequest(string url, string downloadFilePath, long rangeStart, NimHttpDef.CompletedCb completeCb, IntPtr userData)
{
return(nim_http_create_download_file_range_request(url, downloadFilePath, rangeStart, completeCb, userData));
}
