SAP ABAP Program LPRGN_STRUCTUREF07 (CONTROL_ASSIGN_CALLBACKS) is using

• Class (6)
• Message Class (1)
• Message Number (1)
• Class Method (5)

#	Object Type	Object Name	Object Description	Note
1	Class	CL_DRAGDROP	Behavior for Drag and Drop
2	Class	CL_GUI_COLUMN_TREE	Column Tree Control
3	Class	CL_GUI_CONTROL	Proxy Class for Control in GUI
4	Class	CL_GUI_LIST_TREE	List Tree Control
5	Class	CL_ITEM_TREE_CONTROL	Internal Tree Control Class
6	Class	CL_TREE_CONTROL_BASE	Internal Tree Control Class