SAP ABAP Program SIMPLE_TREEM_DRAGDROP_DEMO2TOP (Include SIMPLE_TREE_CONTROL_DEMOTOP) is using

• Class (3)
• Message Class (1)

#	Object Type	Object Name	Object Description	Note
1	Class	CL_DRAGDROP	Behavior for Drag and Drop
2	Class	CL_GUI_CUSTOM_CONTAINER	Container for Custom Controls in the Screen Area
3	Class	CL_SIMPLE_TREE_MODEL	Simple Tree Control with Data Management at the Backend