C#

[DllImport("user32.dll")]
       extern static Boolean SetForegroundWindow(IntPtr windowName);

       [DllImport("user32.dll", SetLastError = true)]
       static extern IntPtr FindWindow(string lpClassName, string lpWindowName);

       [DllImport("user32.dll")]
       extern static IntPtr SetActiveWindow(IntPtr windowName);



       private void btnDebugFocus_Click(object sender, EventArgs e)
       {
           String window =" aspecificname";            SetActiveWindow(FindWindow(window));            SetForegroundWindow(FindWindow(window));
       }

//string OU = "OU=Medewerkers,OU=Hogeschool Utrecht,DC=medewerkers,DC=ad,DC=hvu,DC=nl"; // AD LDAP medewerkers
//dirEntry.AuthenticationType = AuthenticationTypes.Secure;
string OU = "DC=medewerkers,DC=ad,DC=hvu,DC=nl"; // AD LDAP medewerkers
DirectoryEntry dirEntry = new DirectoryEntry("LDAP://" + OU);
DirectorySearcher dirSearcher = new DirectorySearcher(dirEntry);
dirSearcher.SearchScope = SearchScope.Subtree;

dirSearcher.Filter = "mail=" + user;// er wordt hier gefilterd op email adres

dirSearcher.PropertiesToLoad.Add("profilePath");// Reads AD profile and returns the profilePath i.e. \\mdw\dfs\profiles\benjamin.diepeveen
SearchResult sResult = dirSearcher.FindOne();// Returns catastrophic failure

                using (new Impersonator(txtGebruiker.Text, txtDomein.Text, txtPw.Text))
                {
                    // this will attempt to change the directory to <directoryname>.old if you have proper acccess
                    string profile = GetProfilePath(txtProfiel.Text);
                    //Directory.Move(profile, profile + ".old");
                    Directory.Move(@"C:\Test", @"C:\Test.old");
                    txtLog.Text = "Profiel locatie\n" + profile + "is omgezet naar .old "; // displays the profile name in log
}

//clear all items in the listbox
            ViewListBox.Items.Clear();

            //create the lists
            List listOfPickups = visits.listPickups();
            List listOfdeliveries = visits.listDeliveries();
            //populate
            ViewListBox.Items.AddRange(listOfPickups.ToArray());
            ViewListBox.Items.AddRange(listOfdeliveries.ToArray());

if (ViewListBox.SelectedIndex < 0)
{
    EditSelectBtn.Enabled = false;
    DeleteSelectBtn.Enabled = false;
}
else
{
    if (MessageBox.Show("are you sure you want to delete the selected item?", "Are You Sure?", MessageBoxButtons.YesNo) == DialogResult.Yes)
    {
        visits.removePickup(this.ViewListBox.SelectedIndex);
        //refresh listbox.
        updateList("pickups");
    }
    else
    {
        //clicked no so do nothing!
        ViewListBox.ClearSelected();
    }
}