bbSystemEmitOSEvent? Is it a standard B3d API?

I saw function 'bbSystemEmitOSEvent' in a topic.

http://www.blitzbasic.com/Community/posts.php?topic=70443

but I cannot find it in B3D SDK manual, is it a standard API function?


Function BBEventHandler(hwnd,msg,wp,lp) "C"
bbSystemEmitOSEvent hwnd,msg,wp,lp,Null
Return -1
End Function