Gurpenator.DatabaseListEditor.addButton_Click C# (CSharp) Метод

        private void addButton_Click(object sender, EventArgs e)
        {
            var dialog = new OpenFileDialog();
            var extension = ".gurpenator_data";
            dialog.Filter = "Gurpenator Database (*" + extension + ")|*" + extension;
            var result = dialog.ShowDialog(this);
            if (result != DialogResult.OK)
                return;
            string file = dialog.FileName;
            if (file.StartsWith(Directory.GetCurrentDirectory() + "\\"))
                file = file.Substring(Directory.GetCurrentDirectory().Length + 1);
            items.Add(file);
            refreshListBox();
        }