CodeTV.MainForm.MainForm_FormClosing C# (CSharp) Method

        private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
        {
            Settings.SaveDefaultSettings();

            ToolStripManager.SaveSettings(this, RegistryBaseKey);

            this.panelVideo.DockPanel = null;

            this.dockPanel.SaveAsXml(FileUtils.WorkingDirectory + "\\" + AssemblyName + ".Settings.UI.xml");

            FileStream fileStream = null;

            //try
            //{
            //    fileStream = new FileStream(Settings.SettingsFilePath, FileMode.Create, FileAccess.Write);
            //    Settings.Serialize(fileStream);
            //    this.dockPanel.SaveAsXml(fileStream, Encoding.UTF8, true);
            //}
            //catch (Exception ex)
            //{
            //    MessageBox.Show(ex.ToString());
            //}
            //finally
            //{
            //    if (fileStream != null)
            //        fileStream.Close();
            //}

            try
            {
                fileStream = new FileStream(FileUtils.WorkingDirectory + "\\" + AssemblyName + ".Channels.xml", FileMode.Create, FileAccess.Write);
                this.panelChannel.SaveChannels(fileStream);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }
            finally
            {
                if (fileStream != null)
                    fileStream.Close();
            }

            ClearGraph();

            // Sets the previous screensaver state
            if (this.screenSaverWasEnabled)
                SystemParametersInfo(SPI_SETSCREENSAVEACTIVE, true, IntPtr.Zero, 0);

            // Sets the previous power saving state
            SetThreadExecutionState(this.powerSavingPreviousState);
        }