Backup/Restore PostgreSQL databases

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using pgstore;
namespace StoreApp
{
    public partial class frmBackup : Form
    {
        #region constructor
        public frmBackup()
        {
            InitializeComponent();
        }
        #endregion

        #region private method
        void SetConf()
        {
            pgstore.Config cnf = new Config();
            cnf.ServerName = txtHost.Text;
            if (lstDB.Items.Count > 0 && lstDB.SelectedItem!=null)
                cnf.DataBase = lstDB.SelectedItem.ToString();
            cnf.UserName = txtUserName.Text;
            cnf.Password = txtPass.Text;
            cnf.Port = Convert.ToInt16(txtPort.Text);
            pgstore.Control.CurrentConfig = cnf;
        }
        #endregion

        #region events
        private void cmdCreateBackup_Click(object sender, EventArgs e)
        {
            Cursor.Current = Cursors.WaitCursor;
            lblInfo.Text = "";
            try
            {
                SetConf();
                FolderBrowserDialog dlgFolder = new FolderBrowserDialog();
                dlgFolder.SelectedPath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
                string FileName = pgstore.Control.CurrentConfig.DataBase + "_" + DateTime.Now.Day.ToString() + "_" + DateTime.Now.Month.ToString() + DateTime.Now.Year.ToString() + ".backup";

                if (dlgFolder.ShowDialog() != DialogResult.Cancel)
                {
                    pgstore.Control.ResultChanged += Control_ResultChanged;
                    lblInfo.Text = "Crating backup ...";
                    pgstore.Control.Backup(dlgFolder.SelectedPath, FileName, true);

                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
            finally
            {
                Cursor.Current = Cursors.Default;
            }
        }
        private void cmdClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }
        private void cmdRestore_Click(object sender, EventArgs e)
        {
            Cursor.Current = Cursors.WaitCursor;
            lblInfo.Text = "";
            if (MessageBox.Show("Cette opération est irréversible, êtes vous sur de bien vouloir procéder ?", "Restauration", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == System.Windows.Forms.DialogResult.No) return;
            try
            {
                SetConf();
                OpenFileDialog myOpenFileDialog = new OpenFileDialog();
                myOpenFileDialog.Filter = "Backup files (*.backup)|*.backup";

                if (myOpenFileDialog.ShowDialog() == DialogResult.OK)
                {
                    lblInfo.Text = "Restauration en cours .....";
                    string path = myOpenFileDialog.FileName;
                    pgstore.Control.ResultChanged += Control_ResultChanged;
                    pgstore.Control.Restaure(path, chkReplace.Checked);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
            finally
            {
                Cursor.Current = Cursors.Default;
            }
        }
        private void cmdConnect_Click(object sender, EventArgs e)
        {
            try
            {
                SetConf();
                lstDB.Items.Clear();
                foreach (string item in pgstore.Control.GetDataBases())
                {
                    lstDB.Items.Add(item);
                }
                cmdConnect.Enabled = false;
                cmdDisconnect.Enabled = true;
                txtHost.Enabled = false;
                txtPort.Enabled = false;
                txtUserName.Enabled = false;
                txtPass.Enabled = false;
                cmdCreateBackup.Enabled = true;
                cmdRestaure.Enabled = true;


            }
            catch (Exception ex)
            {

                lblInfo.Text = ex.Message;
            }

        }
        private void cmdDisconnect_Click(object sender, EventArgs e)
        {
            lstDB.Items.Clear();
            SetConf();
            cmdConnect.Enabled = true;
            cmdDisconnect.Enabled = false;
            txtHost.Enabled = true;
            txtPort.Enabled = true;
            txtUserName.Enabled = true;
            txtPass.Enabled = true;
            cmdCreateBackup.Enabled = false;
            cmdRestaure.Enabled = false;

        }
        private void lstDB_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (pgstore.Control.CurrentConfig == null) this.SetConf();
            if (lstDB.SelectedItem != null)
                pgstore.Control.CurrentConfig.DataBase = lstDB.SelectedItem.ToString();
        }
        void Control_ResultChanged(object sender, EventArgs e)
        {
            lblInfo.Text += sender.ToString();
            lblInfo.SelectionStart = lblInfo.Text.Length;
            lblInfo.ScrollToCaret();
            lblInfo.Refresh();
        }
#endregion
    }
}