/// <summary>
        /// 执行地图查询.
        /// </summary>
        private void DoMapQuery()
        {
            AliyunMapServuce service = new AliyunMapServuce();
            AliyunGeocodingResult result = service.Geocoding(this.txtAddress.Text);

            this.lon = result.lon;
            this.lat = result.lat;
        }
        /// <summary>
        /// 执行地图查询.
        /// </summary>
        private void DoMapQuery()
        {
            AliyunMapServuce      service = new AliyunMapServuce();
            AliyunGeocodingResult result  = service.Geocoding(this.txtAddress.Text);

            this.lon = result.lon;
            this.lat = result.lat;
        }