SFEditor.SFWidget.RefreshButtons C# (CSharp) Method

        private void RefreshButtons()
        {
            button_minus.Sensitive = listView1.SelectedRows.Length > 0 ? true : false;
            button_edit.Sensitive = button_minus.Sensitive;
            button_up.Sensitive = button_minus.Sensitive && listView1.SelectedRow != 0;
            button_down.Sensitive = button_minus.Sensitive && listView1.SelectedRow != listStore.RowCount - 1;
        }