Method: HC_BUILD_TREE
Method: CONVERT_TREE_DATA
Method: GET_ICON_AND_TOOLTIP
Method: GET_NEXT_LEVEL
Method: GET_TREE_DATA
Method: ON_UPDATE_OPT
Method: UPDATE_TREE_ON_SWITCH
Method: BUILD_TREE
Method: GET_ICON_AND_TOOLTIP_OLD
Method: GET_CHANGE_MODE