private void OnExtract(object sender, EventArgs e)
        {
            DialogResult result = m_dialog.ShowDialog();

            if (DialogResult.OK != result)
            {
                return;
            }

            try
            {
                string      root = m_dialog.SelectedPath;
                MetaTrader4 MT5  = new MetaTrader4(root, root);
                MT5.TryToInstall();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, this.Text, MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
        }
 private void Install(MetaTrader4 trader)
 {
     trader.TryToInstall();
     m_metaTraders.Refresh();
 }