Tries to (re)open WorkBench screen. If successful return value is a pointer to the screen structure, which shouldn't be used, because other programs may close the WorkBench and make the pointer invalid. If this function fails the return value is NULL.
EXAMPLE
SEE ALSO
CloseWorkBench()
NOTES
BUGS
INTERNALS
HISTORY
31.01.1999 hkiel
Modifications in "virtual" code (still disabled, because not fully functional)