/// <summary> /// 移动设备位置数据订阅 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void button2_Click(object sender, EventArgs e) { ListViewItem devItem = new ListViewItem(); foreach (var item in lvDev.SelectedItems.Cast <ListViewItem>()) { devItem = item; break; } string devID = devItem.ImageKey; if (!string.IsNullOrEmpty(devID)) { _messageCore.MobileDataSubscription(devID); } }