Method: WD_DESTROY_CONTEXT
Method: WD_CREATE_CONTEXT
Method: DO_HANDLE_EVENT
Method: SET_MODELS
Method: CONSTRUCTOR
Method: EH_ONREQUEST_POPUP_CLOSED
Method: EH_ONCREATE_BTN
Method: DO_INIT_CONTEXT
Method: EH_ONSELREQUEST_BTN
Method: IS_ENABLED
Method: DO_PREPARE_OUTPUT
Method: OP_SELREQUEST
Method: EH_ONCHOOSE_BTN