<s>
The	O
Visual	B-Library
Component	I-Library
Framework	I-Library
(	O
VCF	O
)	O
is	O
an	O
abandoned	O
open	B-Application
source	I-Application
project	O
for	O
development	O
under	O
Microsoft	B-Application
Windows	I-Application
and	O
Apple	B-Device
Macintosh	I-Device
that	O
is	O
distributed	O
under	O
the	O
BSD	B-Operating_System
license	I-Operating_System
.	O
</s>
<s>
It	O
is	O
an	O
advanced	O
C++	B-Language
application	O
framework	O
that	O
makes	O
it	O
easier	O
to	O
produce	O
GUI-based	O
C++	B-Language
applications	O
.	O
</s>
<s>
The	O
framework	O
is	O
C++	B-Language
design	O
and	O
has	O
built	O
in	O
support	O
for	O
rapid	O
application	O
development	O
.	O
</s>
<s>
The	O
framework	O
is	O
designed	O
to	O
be	O
portable	O
over	O
multiple	O
platforms	B-Device
and	O
compilers	B-Language
.	O
</s>
<s>
The	O
framework	O
runs	O
under	O
Windows	B-Application
and	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
but	O
as	O
of	O
April	O
6	O
,	O
2006	O
,	O
the	O
Mac	B-Device
port	O
was	O
incomplete	O
,	O
and	O
a	O
Linux	O
port	O
was	O
still	O
pending	O
.	O
</s>
<s>
The	O
project	O
has	O
made	O
a	O
large	O
effort	O
to	O
support	O
a	O
variety	O
of	O
compilers	B-Language
and	O
Integrated	B-Application
Development	I-Application
Environments	I-Application
(	O
IDE	O
)	O
,	O
allowing	O
the	O
developer	O
to	O
work	O
in	O
whatever	O
IDE/compiler	O
they	O
prefer	O
.	O
</s>
<s>
Compiler	B-Language
support	O
on	O
Windows	B-Application
covers	O
Microsoft	B-Application
Visual	I-Application
C++	I-Application
versions	O
6	O
,	O
7	O
,	O
7.1	O
,	O
and	O
8	O
,	O
along	O
with	O
the	O
Borland	B-Application
C++	I-Application
Compiler	B-Language
,	O
the	O
Intel	B-Language
C++	I-Language
Compiler	I-Language
,	O
and	O
GCC	B-Application
.	O
</s>
<s>
On	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
GCC	B-Application
is	O
supported	O
using	O
the	O
Xcode	B-Operating_System
IDE	O
.	O
</s>
<s>
A	O
CodeWarrior	O
port	O
was	O
completed	O
,	O
but	O
stopped	O
due	O
to	O
CodeWarrior	O
dropping	O
support	O
for	O
their	O
x86	O
version	O
of	O
the	O
compiler	B-Language
,	O
and	O
later	O
for	O
their	O
PowerPC	O
version	O
as	O
well	O
.	O
</s>
<s>
The	O
framework	O
is	O
licensed	O
under	O
the	O
BSD	B-Operating_System
license	I-Operating_System
for	O
any	O
platform	O
it	O
runs	O
on	O
.	O
</s>
<s>
One	O
is	O
the	O
ability	O
to	O
be	O
ported	O
to	O
other	O
platforms	B-Device
beyond	O
Windows	B-Application
,	O
such	O
as	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
BeOS	B-Application
,	O
or	O
possibly	O
even	O
embedded	O
operating	O
systems	O
like	O
Windows	B-Operating_System
CE	I-Operating_System
.	O
</s>
<s>
The	O
next	O
goal	O
is	O
to	O
provide	O
solid	O
support	O
for	O
dynamic	O
programming	O
such	O
as	O
that	O
found	O
in	O
languages	O
like	O
Borland	O
's	O
Object	B-Language
Pascal	I-Language
,	O
Java	B-Language
,	O
or	O
Objective-C	B-Language
.	O
</s>
<s>
This	O
included	O
RTTI	B-Application
or	O
reflection	B-Language
like	O
classes	O
that	O
allow	O
the	O
developer	O
to	O
query	O
all	O
sorts	O
of	O
information	O
about	O
a	O
given	O
class	O
instance	O
at	O
runtime	O
.	O
</s>
<s>
Another	O
goal	O
was	O
to	O
design	O
the	O
UI	B-Application
classes	O
so	O
that	O
visual	O
programming	O
or	O
rapid	O
application	O
development	O
was	O
possible	O
,	O
similar	O
to	O
what	O
is	O
found	O
in	O
Delphi	B-Language
.	O
</s>
<s>
This	O
includes	O
support	O
for	O
property	O
editors	O
,	O
component	O
editors	O
,	O
persistence	O
of	O
the	O
UI	B-Application
state	O
to	O
and	O
from	O
an	O
external	O
text	O
file	O
,	O
and	O
making	O
use	O
of	O
the	O
dynamic	O
features	O
to	O
create	O
class	O
instances	O
on	O
the	O
fly	O
and	O
get	O
and	O
set	O
the	O
instance	O
's	O
registered	O
properties	O
.	O
</s>
<s>
This	O
includes	O
support	O
for	O
various	O
kinds	O
of	O
IO	O
(	O
in	O
memory	O
,	O
file/disk	O
,	O
and	O
so	O
forth	O
)	O
,	O
thread	O
support	O
and	O
various	O
synchronization	O
primitives	O
like	O
mutexes	B-Operating_System
,	O
semaphores	O
,	O
and	O
conditions	O
,	O
Unicode	O
string	O
support	O
,	O
locale	O
and	O
internationalization	O
support	O
including	O
localizing	O
string	O
resources	O
,	O
comprehensive	O
resource	O
support	O
,	O
and	O
basic	O
XML	O
parsing	O
.	O
</s>
<s>
As	O
a	O
general	O
rule	O
,	O
the	O
framework	O
makes	O
as	O
much	O
use	O
as	O
possible	O
of	O
the	O
Standard	B-Application
Template	I-Application
Library	I-Application
,	O
avoiding	O
duplication	O
of	O
work	O
on	O
things	O
like	O
container	O
classes	O
,	O
or	O
string	O
handling	O
.	O
</s>
<s>
Where	O
possible	O
the	O
framework	O
builds	O
on	O
top	O
of	O
the	O
native	O
C++	B-Language
RTTI	B-Application
support	O
such	O
as	O
using	O
dynamic_cast	O
and	O
typeid	O
,	O
as	O
opposed	O
to	O
simply	O
re-implementing	O
it	O
.	O
</s>
<s>
UI	B-Application
controls	O
are	O
not	O
emulated	O
for	O
the	O
most	O
part	O
,	O
instead	O
the	O
framework	O
uses	O
native	O
widgets	O
in	O
most	O
places	O
.	O
</s>
