OpenNTF: Generic Tree navigator based on ITreeNode - Discussion http://www.openntf.org Project Updates Response: Nullpointer Exceptionweihang chenhttp://www.openntf.org/internal/home.nsf/response.xsp?documentId=8BE44B1C81BDF504862579FB00760490&action=openDocumentFri, 11 May 2012 16:29:04 -0500