Nanook.QueenBee.ScriptEditor.btnExport_Click C# (CSharp) Method

        private void btnExport_Click(object sender, EventArgs e)
        {
            try
            {
                string fname = string.Format("{0}_{1}.{2}", _qbItem.Root.Filename.Replace('\\', '#').Replace('/', '#').Replace('.', '#'), _qbItem.ItemQbKey.Crc.ToString("X").PadLeft(8, '0'), _fileExt);

                if (AppState.LastScriptPath.Length == 0)
                    fname = Path.Combine(AppState.LastScriptPath, fname);

                fname = getBestFullFilename(fname);

                export.Filter = string.Format("{0} (*.{0})|*.{0}|All files (*.*)|*.*", _fileExt);
                export.Title = string.Format("Export {0} file", _fileExt);
                export.OverwritePrompt = true;
                export.FileName = fname;

                if (export.ShowDialog(this) != DialogResult.Cancel)
                {
                    fname = export.FileName;
                    if (File.Exists(fname))
                        File.Delete(fname);

                    AppState.LastScriptPath = (new FileInfo(fname)).DirectoryName;

                    File.WriteAllBytes(fname, _qbItem.ScriptData);
                }
            }
            catch (Exception ex)
            {
                base.ShowException("Script Export Error", ex);
            }
        }