+ if ( pgman->GetGrid()->GetRoot()->GetChildCount() )
+ RT_FAILURE();
+
+ // Recreate the original grid
+ CreateGrid( -1, -1 );
+ pgman = m_pPropGridManager;
+
+ // Grid clear
+ pgman->SelectProperty("Label");
+ pgman->GetGrid()->Clear();
+
+ if ( pgman->GetGrid()->GetRoot()->GetChildCount() )
+ RT_FAILURE();
+