https://community.graphisoft.com/t5/Libraries-objects/Custom-Windows/m-p/111757#M32381 Not sure if this is what you are looking for. Just push the circled button to be able to edit the reveal tab.<BR /><IMG src="https://community.graphisoft.com/t5/image/serverpage/image-id/12537iD53EA749C0B597A6/image-size/large?v=v2&amp;px=999" border="0" alt="Tripple Sash.PNG" title="Tripple Sash.PNG" /> Sat, 04 Nov 2006 21:40:33 GMT Anonymous 2006-11-04T21:40:33Z https://community.graphisoft.com/t5/Libraries-objects/Custom-Windows/m-p/111756#M32380 <DIV class="actalk-migrated-content"><T>Some of the windows in AC10 Library have the mullion settings greyed out. is there a way to unlock them so i can edit them? Otherwise, I'll have to create a custom panel, and i'd rather not go to the trouble.....<BR /> <BR /> The window im referring to is the triple sash casement window.</T></DIV> Wed, 24 May 2023 10:46:18 GMT https://community.graphisoft.com/t5/Libraries-objects/Custom-Windows/m-p/111756#M32380 Anonymous 2023-05-24T10:46:18Z https://community.graphisoft.com/t5/Libraries-objects/Custom-Windows/m-p/111757#M32381 Not sure if this is what you are looking for. Just push the circled button to be able to edit the reveal tab.<BR /><IMG src="https://community.graphisoft.com/t5/image/serverpage/image-id/12537iD53EA749C0B597A6/image-size/large?v=v2&amp;px=999" border="0" alt="Tripple Sash.PNG" title="Tripple Sash.PNG" /> Sat, 04 Nov 2006 21:40:33 GMT https://community.graphisoft.com/t5/Libraries-objects/Custom-Windows/m-p/111757#M32381 Anonymous 2006-11-04T21:40:33Z