MainWindow.xaml.cs

using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace ipf {
    //http://www.thomaslevesque.com/2008/11/18/wpf-binding-to-application-settings-using-a-markup-extension/
    public class SettingBindingExtension : Binding {
        public SettingBindingExtension() {
            Initialize();
        }

        public SettingBindingExtension(string path)
            : base(path) {
            Initialize();
        }

        private void Initialize() {
            this.Source = ipf.Properties.Settings.Default;
            this.Mode = BindingMode.TwoWay;
        }
    }

    public partial class MainWindow : Window {
        Floppy _fd;
        BufferWindow _trackWindow = null;
        BufferWindow _sectorWindow = null;
        bool _trackWindowOpen = false;
        bool _sectorWindowOpen = false;

        public MainWindow() {
            InitializeComponent();
            string version = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString();
            string progName = "IPF File Reader / Writer " + version;
            Title = progName;
            //tbVersion.Text = progName;
        }



        private void btFileClick(object sender, RoutedEventArgs e) {
            OpenFileDialog ofd = new OpenFileDialog();
            ofd.Filter = "IPF/IPX file|*.ipf;*ipx|All Files|*.*";
            bool? ok = ofd.ShowDialog();
            if (ok == true) {
                fileName.Text = ofd.FileName;
                processFile(ofd.FileName);
            }
            
        }


        private void processFile(string file) {
            IPFReader ipf = new IPFReader(infoBox, cbDataElem);
            _fd = new Floppy();
            ipf.readIPF(file, _fd);
        }

        private void btWriteClick(object sender, RoutedEventArgs e) {
            if (_fd == null) {
                MessageBox.Show("Nothing to write", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
                return;
            }

            SaveFileDialog sfd = new SaveFileDialog();
            sfd.Filter = "IPF file|*.ipf|All Files|*.*";

            bool? ok = sfd.ShowDialog();
            if (ok == true) {
                fileName.Text = sfd.FileName;
                //if (File.Exists(sfd.FileName)) {
                //  MessageBoxResult result = MessageBox.Show("Do you want to overwrite?", "File already exist", MessageBoxButton.YesNoCancel, MessageBoxImage.Question, MessageBoxResult.No); 
                //  if (result == MessageBoxResult.Cancel) return;
                //  if (result == MessageBoxResult.No) goto askOutput;                  
                //}             
                IPFWriter ipf = new IPFWriter(infoBox);
                ipf.writeIPF(sfd.FileName, _fd);
            }

        }


        private void btBlocksClick(object sender, RoutedEventArgs e) {
            if (_fd == null) {
                tbStatus.Text = "Nothing to display";
                return;
            }
            int trackNumber;
            int sideNumber;
            tbStatus.Clear();
            if (Int32.TryParse(tbTrack.Text, out trackNumber) == false) {
                tbStatus.Text = "Invalid track number - please correct and try again";
                return;
            }
            if (Int32.TryParse(tbSide.Text, out sideNumber) == false) {
                tbStatus.Text = "Invalid side number - please correct and try again";
                return;
            }
            if ((trackNumber < 0) || (trackNumber > 84) || (sideNumber < 0) || (sideNumber > 1)) {
                tbStatus.Text = "Track or Side out of range - please correct and try again";
                return;
            }

            if (_sectorWindowOpen)
                _sectorWindow.Close();

            _sectorWindow = new BufferWindow();
            _sectorWindow.displayBlocksBuffer(_fd, trackNumber, sideNumber);
            _sectorWindow.Closed += new EventHandler(sectorWindowClosed);
            _sectorWindowOpen = true;
            _sectorWindow.Show();

        }


        void sectorWindowClosed(object sender, EventArgs e) {
            _sectorWindowOpen = false;
        }


        private void mainWinClosing(object sender, System.ComponentModel.CancelEventArgs e) {
            if (_sectorWindowOpen) _sectorWindow.Close();
            if (_trackWindowOpen) _trackWindow.Close();
        }


        private void fileDropped(object sender, DragEventArgs e) {
            string[] droppedFiles = null;
            if (e.Data.GetDataPresent(DataFormats.FileDrop)) {
                droppedFiles = e.Data.GetData(DataFormats.FileDrop, true) as string[];
            }

            if ((null == droppedFiles) || (!droppedFiles.Any())) { return; }
            processFile(droppedFiles[0]);
        }

        private void dragEnter(object sender, DragEventArgs e) {
            e.Handled = true;
        }

    }
}