<s>
MVC4WPF	B-Architecture
for	O
computer	B-Application
software	I-Application
is	O
an	O
open-source	O
,	O
extensible	O
,	O
automated	O
code	O
pattern	O
developed	O
at	O
Information	O
Control	O
Corporation	O
for	O
Windows	B-Device
Presentation	I-Device
Foundation	I-Device
(	O
WPF	O
)	O
development	O
based	O
on	O
the	O
Model	O
–	O
View	O
–	O
Controller	O
(	O
MVC	O
)	O
and	O
Presentation	B-Application
–	I-Application
Abstraction	I-Application
–	I-Application
Control	I-Application
(	O
PAC	O
)	O
patterns	O
.	O
</s>
<s>
It	O
depends	O
on	O
Microsoft	B-Application
's	I-Application
.NET	I-Application
Framework	I-Application
3.5	O
and	O
Visual	B-Application
Studio	I-Application
2008	I-Application
for	O
functionality	O
.	O
</s>
<s>
The	O
MVC4WPF	B-Architecture
source	O
code	O
for	O
the	O
0.9	O
beta	O
is	O
available	O
for	O
on	O
CodePlex	B-Protocol
.	O
</s>
<s>
MVC4WPF	B-Architecture
is	O
not	O
a	O
new	O
architectural	O
pattern	O
but	O
is	O
rather	O
a	O
hybrid	O
derived	O
from	O
two	O
older	O
patterns	O
supported	O
by	O
an	O
automation	O
system	O
and	O
development	O
tenets	O
.	O
</s>
<s>
The	O
authors	O
refer	O
to	O
it	O
as	O
an	O
automated	O
code	O
pattern	O
rather	O
than	O
a	O
framework	O
because	O
design	O
frameworks	O
create	O
a	O
logical	O
environment	O
that	O
must	O
be	O
used	O
in	O
a	O
precise	O
manner	O
;	O
whereas	O
,	O
MVC4WPF	B-Architecture
promotes	O
a	O
more	O
flexible	O
environment	O
that	O
is	O
intended	O
to	O
be	O
adapted	O
to	O
the	O
solution	O
without	O
restrictions	O
.	O
</s>
<s>
However	O
,	O
MVC4WPF	B-Architecture
does	O
support	O
code	O
libraries	O
,	O
snippets	O
,	O
and	O
uses	O
the	O
supporting	O
language	O
associated	O
with	O
WPF	O
(	O
XAML	B-Device
)	O
,	O
giving	O
it	O
many	O
characteristics	O
of	O
a	O
design	O
pattern	O
.	O
</s>
<s>
Creators	O
and	O
John	O
Hannah	O
state	O
in	O
their	O
three	O
part	O
broadcast	O
on	O
Channel	B-Application
9	I-Application
(	O
discussion	O
forum	O
)	O
that	O
MVC4WPF	B-Architecture
is	O
designed	O
to	O
take	O
advantage	O
of	O
the	O
MVC	O
pattern	O
's	O
flexibility	O
in	O
problem	O
solving	O
while	O
the	O
PAC	O
pattern	O
provides	O
a	O
hierarchy	O
through	O
parent-child	O
controller	O
interactions	O
.	O
</s>
<s>
MVC4WPF	B-Architecture
is	O
intended	O
primarily	O
for	O
creating	O
enterprise	O
applications	O
in	O
which	O
teams	O
of	O
specialists	O
may	O
work	O
together	O
to	O
create	O
specific	O
areas	O
or	O
in	O
applications	O
which	O
demand	O
a	O
well-defined	O
hierarchical	O
flow	O
.	O
</s>
<s>
In	O
MVC4WPF	B-Architecture
,	O
it	O
is	O
always	O
a	O
child	O
in	O
a	O
parent-child	O
relationship	O
with	O
a	O
controller	O
.	O
</s>
<s>
In	O
MVC4WPF	B-Architecture
,	O
it	O
is	O
always	O
a	O
child	O
in	O
a	O
parent-child	O
relationship	O
with	O
a	O
controller	O
.	O
</s>
<s>
Development	O
in	O
MVC4WPF	B-Architecture
is	O
largely	O
driven	O
by	O
how	O
contracts	O
are	O
assigned	O
,	O
so	O
contracts	O
are	O
usually	O
discussed	O
and	O
defined	O
first	O
.	O
</s>
