private void btnEdit_Click(object sender, EventArgs e)
        {
            if (!btnEdit.Enabled)
            {
                return;
            }
            if (grdUsers.DataSource == null)
            {
                return;
            }
            if (!grdUsers.Redraw)
            {
                return;
            }
            if (grdUsers.RowSel < grdUsers.Rows.Fixed)
            {
                return;
            }

            string _username = grdUsers[grdUsers.RowSel, "Username"].ToString();

            UserInfoDialog _dialog = new UserInfoDialog(_username);

            _dialog.ShowDialog();
            if (_dialog.WithUpdates)
            {
                _updatedcurrentuser = _updatedcurrentuser || _dialog.IsCurrentUser;
                InitializeUsersList();
            }
            _dialog.Dispose(); _dialog = null;
            Materia.RefreshAndManageCurrentProcess();
        }
        private void btnAdd_Click(object sender, EventArgs e)
        {
            if (!btnAdd.Enabled)
            {
                return;
            }

            UserInfoDialog _dialog = new UserInfoDialog();

            _dialog.ShowDialog();
            if (_dialog.WithUpdates)
            {
                InitializeUsersList();
            }
            _dialog.Dispose(); _dialog = null;
            Materia.RefreshAndManageCurrentProcess();
        }