private static extern void nim_http_set_request_progress_cb(IntPtr request_handle, NimHttpDef.ProgressCb progress_cb, IntPtr user_data);
/// <summary>
/// 设置进度回调
/// </summary>
/// <param name="requestHandle">http任务句柄</param>
/// <param name="progressCb">进度回调函数</param>
/// <param name="userData">自定义数据</param>
public static void SetProgressCb(IntPtr requestHandle, NimHttpDef.ProgressCb progressCb, IntPtr userData)
{
nim_http_set_request_progress_cb(requestHandle, progressCb, userData);
}
