private void CloseFile()
        {
            if (FileTab.SelectedIndex == -1)
            {
                return;
            }

            HexEdit.CloseProvider();
            FileTab.Items.RemoveAt(FileTab.SelectedIndex);
        }
 private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
 {
     HexEdit.CloseProvider();
     Settings.Default.Save();
 }
 private void CloseFileMenu_Click(object sender, RoutedEventArgs e) => HexEdit.CloseProvider();
 private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e) => HexEdit.CloseProvider();
 private void CloseAllFileMenu_Click(object sender, RoutedEventArgs e)
 {
     FileTab.Items.Clear();
     HexEdit.CloseProvider();
 }