public Data.ArtDatabankenService.FactorTreeNode GetFactorTreeNode(Boolean refresh)
 {
     if (_factorTreeNode.IsNull() || refresh)
     {
         _factorTreeNode = FactorManagerTest.GetLandscapeFactorTreeNode();
     }
     return(_factorTreeNode);
 }
 public FactorTreeNodeTest()
 {
     _factorTree     = null;
     _factorTreeNode = null;
 }