Inverting layer filters

Layer filters can be inverted, for example, you can invert the All Used Layers filter to display a list of all layers that are unused in the drawing.

To invert a layer filter

   1   Do one of the following to choose Explore Layers ():

    On the ribbon, choose Home > Explore Layers (in Layers) or choose Tools > Layers (in Explorer).

    On the menu, choose Format > Explore Layers or choose Tools > Explorer > Explore Layers.

    On the Explorer toolbar, click the Explore Layers tool.

    Type explayers and then press Enter.

   2   Select a layer filter.

   3   Click the Invert Filter tool ().

    4    To complete the command and return to your drawing, close the window.

The filter stays inverted until its turned off.
If the contents of a filter look incorrect, it could be because it is inverted.