MissionPlanner.GridUI.BUT_save_Click C# (CSharp) Method

        private void BUT_save_Click(object sender, EventArgs e)
        {
            camerainfo camera = new camerainfo();

            string camname = "Default";

            if (MissionPlanner.Controls.InputBox.Show("Camera Name", "Please and a camera name", ref camname) != System.Windows.Forms.DialogResult.OK)
                return;

            CMB_camera.Text = camname;

            // check if camera exists alreay
            if (cameras.ContainsKey(CMB_camera.Text))
            {
                camera = cameras[CMB_camera.Text];
            }
            else
            {
                cameras.Add(CMB_camera.Text, camera);
            }

            try
            {
                camera.name = CMB_camera.Text;
                camera.focallen = (float)NUM_focallength.Value;
                camera.imageheight = float.Parse(TXT_imgheight.Text);
                camera.imagewidth = float.Parse(TXT_imgwidth.Text);
                camera.sensorheight = float.Parse(TXT_sensheight.Text);
                camera.sensorwidth = float.Parse(TXT_senswidth.Text);
            }
            catch { CustomMessageBox.Show("One of your entries is not a valid number"); return; }

            cameras[CMB_camera.Text] = camera;

            xmlcamera(true, Settings.GetUserDataDirectory() + "cameras.xml");
        }