private void FormCreateDocument_Load(object sender, EventArgs e)
        {
            textBoxName.TextChanged        += new EventHandler(textBox_TextChanged);
            textBoxDescription.TextChanged += new EventHandler(textBox_TextChanged);
            fileSelectCtrl.FileNameChanged += new EventHandler(textBox_TextChanged);
            // file select control
            fileSelectCtrl.Filter = "Plugin file (*.dll)|*.dll";
            // initialize profile combo box
            comboBoxProfile.Items.Clear();
            List <CardboardProfile> listProfile = CardboardProfile.getAll();

            foreach (CardboardProfile profile in listProfile)
            {
                comboBoxProfile.Items.Add(profile);
            }
            if (comboBoxProfile.Items.Count > 0)
            {
                comboBoxProfile.SelectedIndex = 0;
            }
            // disable Ok button
            bnOk.Enabled = false;
        }