protected void passwordsFileChanged(object sender, EventArgs e)
        {
            FilePicker picker = new FilePicker(passwordsDelegate);

            picker.Show();
        }
        protected void domainFileChanged(object sender, EventArgs e)
        {
            FilePicker picker = new FilePicker(domainsDelegate);

            picker.Show();
        }
        protected void usernamesFileChanged(object sender, EventArgs e)
        {
            FilePicker picker = new FilePicker(usernamesDelegate);

            picker.Show();
        }