I use the command "Set TREE=Toggle,dual" in dual-lister mode to hide or display dual folder trees, but they (left and right) always take more places than i want. how can i change that, for example, let every tree take 25% of its lister?
Resize the tree to what you want it to be and then use Settings -> Save as Default Lister.
Sorry to resume an old post 
, but for version 10, this option does not work anymore? I set the width, but am handling DOpus restart, the width is too wide again. How to solve this problem ?
It works the same as it used to.
If you are opening a layout instead of the default lister then you need to save over the layout rather than the default lister.
Leo, how to save the layout and not the default list?
In the Settings menu, two items below the Set as Default Lister one mentioned above.