}
public boolean isNodeOpen() {
if(m_objNodeState == null){
ITreeRowSource objTreeRowSource = getTreeRowSource();
TreeRowObject objTreeRowObject = objTreeRowSource.getTreeRow();
Object objValueUID = objTreeRowObject.getTreeNodeUID();
ITreeModelSource objTreeModelSource = getTreeModelSource();
ITreeStateModel objStateModel = objTreeModelSource.getTreeModel().getTreeStateModel();
boolean bState = objStateModel.isUniqueKeyExpanded(objValueUID);
m_objNodeState = new Boolean(bState);
}