Selection section
When calling the command 
SwapPipe or
SwapStruct or even in
spreadsheet by clicking the columns PV or
TUBO, this screen will Appear:
it, choose the section you want, but Note: that only the OK button Enables When You select the section name.
For the case of the worksheet, to the current section may have been edited and does not correspondence to the parts list,
will be added to the list with the suffix of the current section.