DynamicForm setTitleWidth issue

Hi,

I've got a DynamicForm and I called setTitleWidth() and have disabled title wrapping.
When the form is added in a Layout, the requested title width seems to be ignored, except if I give a specific width to my form (but I would like it to be auto-width :-/)

Any advice on how to have both auto-width and a minimum title width in a Dynamic Form ?

Thanks very much,
Thomas