private void extractAllToolStripMenuItem_Click(object sender, EventArgs e)
{
string outputPath = "";
var dialog = new CommonOpenFileDialog();
dialog.IsFolderPicker = true;
dialog.EnsurePathExists = true;
if (dialog.ShowDialog() == CommonFileDialogResult.Ok)
outputPath = dialog.FileName;
else
return;
Extractor(outputPath);
}