Understanding if the user has selected all options on a slicer

[ValeriaBreve]

Hello,

I am trying to figure out a way to understand whether a user has selected all items on a slicer or no items at all.

If I use the formula 

ISFILTERED( D_ProductionLinesWithCC[ProductionLineCodeCC] )

it returns true if all items are sliced but 1. As soon as the user selects all items, it returns false as if none were selected.

Is there  a way to tell whether the user is actively engaging with the slicer and selecting all items?

I am asking because I have a master slicer on top, and if I don't handle this, PowerBI considers that all items in the subslicer are selected if if the user has not touched them yet.

I am using the new button slicer visual.

Thanks!

Kind regards

Valeria

[GeraldGEmerick]

@ValeriaBreve You could do a COUNTROWS( 'Table' ) and an COUNTROWS( ALL( 'Table' ) ). If they are equal to one another then all items have been selected.