Method: WD_DESTROY_CONTEXT
Method: WD_CREATE_CONTEXT
Method: SET_MODELS
Method: CREATE_SELECTION
Method: CREATE_CONTEXT_NODES
Method: CREATE_PAGETYPE
Method: CREATE_SELRESULTLIST
Method: CREATE_ATTRIB
Method: DO_INIT_CONTEXT
Method: EH_ONCONTINUE_BTN
Method: EH_ONSEARCH_BTN