Method: HC_BUILD_TREE
Method: HC_BUILD_ROLES_TREE
Method: HC_LOAD_ALL_CHILDREN
Method: UPDATE_VISIBLE_TREE_GANTT
Method: GET_NEXT_LEVEL
Method: BUILD_TREE
Method: BUILD_PROJECT_TREE
Method: GET_LOADED_TREE_ELEMENTS
Method: GET_DRAG_TAG_AND_ENABLING
Method: ON_UPDATE_OPT
Method: BUILD_TREE_BOTTOM_UP
Method: GET_BREADCRUMB_ELEMENTS
Method: GET_TREE_DATA
Method: UPDATE_NEXT_LEVEL
Method: GET_NEXT_LEVEL_OLD
Method: PROCESS_INBOUND_DATA
Method: UPDATE_TREE_ON_SWITCH
Method: INSERT_ELEMENTS