<s>
COM	B-Device
Interop	I-Device
is	O
a	O
technology	O
included	O
in	O
the	O
.NET	B-Application
Framework	I-Application
Common	O
Language	O
Runtime	O
(	O
CLR	O
)	O
that	O
enables	O
Component	B-Application
Object	I-Application
Model	I-Application
(	O
COM	O
)	O
objects	O
to	O
interact	O
with	O
.NET	B-Application
objects	O
,	O
and	O
vice	O
versa	O
.	O
</s>
<s>
COM	B-Device
Interop	I-Device
aims	O
to	O
provide	O
access	O
to	O
the	O
existing	O
COM	O
components	O
without	O
requiring	O
that	O
the	O
original	O
component	O
be	O
modified	O
.	O
</s>
<s>
It	O
tries	O
to	O
make	O
the	O
.NET	B-Application
types	O
equivalent	O
to	O
the	O
COM	O
types	O
.	O
</s>
<s>
In	O
addition	O
,	O
COM	B-Device
Interop	I-Device
allows	O
COM	O
developers	O
to	O
access	O
managed	O
objects	O
as	O
easily	O
as	O
they	O
access	O
other	O
COM	B-Application
objects	I-Application
.	O
</s>
<s>
The	O
.NET	B-Application
Framework	I-Application
creates	O
a	O
type	O
library	O
and	O
special	O
registry	O
entries	O
when	O
a	O
component	O
is	O
registered	O
.	O
</s>
<s>
When	O
the	O
type	O
is	O
instantiated	O
through	O
COM	O
,	O
the	O
.NET	B-Application
CLR	O
is	O
the	O
actual	O
COM	B-Application
object	I-Application
that	O
executes	O
,	O
and	O
it	O
merely	O
marshals	O
any	O
method	O
calls	O
or	O
property	O
access	O
to	O
the	O
type	O
implementation	O
.	O
</s>
<s>
A	O
COM	B-Device
Interop	I-Device
for	O
an	O
existing	O
COM	O
component	O
can	O
be	O
created	O
through	O
the	O
use	O
of	O
the	O
Tlbimp.exe	O
tool	O
supplied	O
with	O
the	O
.NET	B-Application
Framework	I-Application
SDK	O
.	O
</s>
<s>
COM	B-Device
interop	I-Device
automatically	O
provides	O
the	O
following	O
services	O
to	O
simplify	O
COM	O
usage	O
from	O
.NET	B-Application
:	O
</s>
<s>
Conversion	O
between	O
COM	O
types	O
and	O
equivalent	O
.NET	B-Application
types	O
.	O
</s>
