Hi Marcus,

if you want to change/select a mouse in the pop up dialog "Mouse Settings" (via Change button in Mouse Properties) the Mouse Modell list at the right side will update synchron with a click onto the Vendor list.

I got a message from a person that mentioned that it was very uncomfortable to select a mouse modell with keyboard. You can move the focus in the Mouse Vendor list at the left side with the arrow keys, but at the right side the Mouse Modell list does not change the focus synchron to this action. You have to press Enter to see the Mouse Modell list for the changed Vendor. 

I think it is easy to change this. The selection list box at the left side should reflect the status at the right side, even if the focus was changed by use of the keyboard.