Althrough LibreOffice is available Windows, the dialog window doesn't use native look as this:
Since LibreOffice is using native GTK3 dialog interfaces on Linux, I think it's possible to make the same implementation on Windows. MSDN has documentations related to this:
Steps to Reproduce:
User Profile Reset: No
Caolán: I know that "weld" commits concern gtk/gtk3 but do you know if something is planned for Windows part?
I'm not planning to do a native windows equivalent, though it may be possible. Using GTK on windows is another possibility.
Thank you for your feedback Caolán.
Let's put this as NEW and as an enhancement.
(In reply to Caolán McNamara from comment #2)
> I'm not planning to do a native windows equivalent, though it may be
> possible. Using GTK on windows is another possibility.
Oh yeah, my imagination is to call Win32 API directly, however using GTK on windows is also good choice.