Just for information. In the API documentation the library for the BFilePanel Class is mentioned as libbe.so.
Actually its libtracker.so. Maybe this should be corrected. Thx.
Sorry for my bad english.
this forum is not a bugtracker, things get lost easily, please fill a bug report at https://dev.haiku-os.org/
Ok. Thx. Didnt know that 
i’d like to report to the development forum. But its seems to be broken.
I was trying to logon there, but i did not get the verification mail 
Been there…, done that. Hours ago… nothing happend