I use Photo & Graphic Designer 17.1.0.60742  DL x64 Dec  9 2020 and Windows 10

I would like to know if it is possible to mark one object (like a line) and then select with a keycombination - or a menu command - all other objects with the same properties?

That would make it so easy to make (for example) all red lines transparent in one go, without changing any of the green lines.