SAP ABAP Class CL_WB2_FLOW_TREE_VIEW (Tree Control for Document Flow Display) is using

• Class (69)
• Data Element (21)
• Table/Structure Field (44)
• Function Module (3)
• Interface (7)
• Message Class (4)
• Message Number (4)
• Class Method (83)
• Program (2)
• Table (9)

#	Object Type	Object Name	Object Description	Note
1	Interface	IF_WB2_DOC	Any Document
2	Interface	IF_WB2_DOC	Any Document
3	Interface	IF_WB2_DOC	Any Document
4	Interface	IF_WB2_OBSERVER	Observer
5	Interface	IF_WB2_OBSERVER	Observer
6	Interface	IF_WB2_OBSERVER	Observer
7	Interface	IF_WB2_OBSERVER	Observer