Are Access Forms Polymorphic? - Microsoft Access / VBA

James Fortune

In response to different users or situations (data context) I
transform the appearance and characteristics of Access Forms through
code. This seems to fit in with the idea of polymorphism. Do people
consider Access Forms to be Polymorphic?

James A. Fortune

Nov 12 '05 #1

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2077

Trevor Best

James Fortune wrote:

In response to different users or situations (data context) I
transform the appearance and characteristics of Access Forms through
code. This seems to fit in with the idea of polymorphism. Do people
consider Access Forms to be Polymorphic?

James A. Fortune

They can morph yes, but then so can just about anything that has a
programming language behind it.

--
Error reading sig - A)bort R)etry I)nfluence with large hammer

Nov 12 '05 #2

Larry Linson

"James Fortune" wrote

In response to different users or
situations (data context) I
transform the appearance and
characteristics of Access Forms
through code. This seems to fit in
with the idea of polymorphism. Do
people consider Access Forms to
be Polymorphic?

Hmm. From your description, perhaps "Polychroma tic" would be a better
description. However, somehow I don't think that is what is meant by
"polymorphi sm".

Larry Linson
Microsoft Access MVP

Nov 12 '05 #3

Lyle Fairfield

"Larry Linson" <bo*****@localh ost.not> wrote in news:IdFjc.9191 3$L31.20613
@nwrddc01.gnili nk.net:

Hmm. From your description, perhaps "Polychroma tic" would be a better
description. However, somehow I don't think that is what is meant by
"polymorphi sm".

Polymorphism means Muchly Dead. In the Access world the term refers to DAO!

--
Lyle
(for e-mail refer to http://ffdba.com/contacts.htm)

Nov 12 '05 #4

Larry Linson

"Lyle Fairfield" wrote

Hmm. From your description, perhaps
"Polychroma tic" would be a better
description. However, somehow I don't
think that is what is meant by
"polymorphi sm".

Polymorphism means Muchly Dead. In the
Access world the term refers to DAO!

Ah, and sad that would be, if true, for anyone wantin' to use Jet to store a
little data.

Nov 12 '05 #5

david epsom dot com dot au

"In object-oriented programming, the term is used to describe a variable
that may refer to objects whose class is not known at compile time and which
respond at run time according to the actual class of the object to which
they refer. " (http://wombat.doc.ic.ac.uk/foldoc/fo...gi?polymorphic)

Variables of type Access.Form are polymorphic: They may refer to any form
class, and respond at run-time according the actual class of the object to
which they refer. Variables of type Object are even more polymorphic: they
can refer to any object class.

The word polymorphic is derived from the idea 'many structures'. An Access
form can change structures: it may be in Form or Datasheet mode, so it is
polymorphic (bimorphic???) in a general sense. But since it is an Object,
not a Variable or Function, it would not, in it self, mean that Access or
VBA 'supported polymorphism'.

Changing the appearance and characteristics of an object is not the same as
changing the structure, so it would not generally be called polymorphism. In
fantasy terms, Shape-changing or death is morphing: changing the appearance
and characteristics is just Glamour.

(david)

"James Fortune" <ja******@oakla nd.edu> wrote in message
news:a6******** *************** ***@posting.goo gle.com...

In response to different users or situations (data context) I
transform the appearance and characteristics of Access Forms through
code. This seems to fit in with the idea of polymorphism. Do people
consider Access Forms to be Polymorphic?

James A. Fortune

Nov 12 '05 #6

Tom van Stiphout

On Wed, 28 Apr 2004 14:02:42 +1000, "david epsom dot com dot au"
<david@epsomdot comdotau> wrote:

You call an Access form "bi" ! You want a piece of me?

-Tom.

"In object-oriented programming, the term is used to describe a variable
that may refer to objects whose class is not known at compile time and which
respond at run time according to the actual class of the object to which
they refer. " (http://wombat.doc.ic.ac.uk/foldoc/fo...gi?polymorphic)

Variables of type Access.Form are polymorphic: They may refer to any form
class, and respond at run-time according the actual class of the object to
which they refer. Variables of type Object are even more polymorphic: they
can refer to any object class.

The word polymorphic is derived from the idea 'many structures'. An Access
form can change structures: it may be in Form or Datasheet mode, so it is
polymorphic (bimorphic???) in a general sense. But since it is an Object,
not a Variable or Function, it would not, in it self, mean that Access or
VBA 'supported polymorphism'.

Changing the appearance and characteristics of an object is not the same as
changing the structure, so it would not generally be called polymorphism. In
fantasy terms, Shape-changing or death is morphing: changing the appearance
and characteristics is just Glamour.

(david)

"James Fortune" <ja******@oakla nd.edu> wrote in message
news:a6******* *************** ****@posting.go ogle.com...
In response to different users or situations (data context) I
transform the appearance and characteristics of Access Forms through
code. This seems to fit in with the idea of polymorphism. Do people
consider Access Forms to be Polymorphic?

James A. Fortune

Nov 12 '05 #7

Trevor Best

Tom van Stiphout wrote:

On Wed, 28 Apr 2004 14:02:42 +1000, "david epsom dot com dot au"
<david@epsomdot comdotau> wrote:

You call an Access form "bi" ! You want a piece of me?

Oi, this Dowe Egbert's coffee is expensive, stop trying to make me lose
it on my keyboard :-)

--
Error reading sig - A)bort R)etry I)nfluence with large hammer

Nov 12 '05 #8

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