I have a subclassed form "frmDates". I want to use class, but slightly change

the functionality of two of its textboxes right-click event. Must I do

another DEFINE or is there a way to directly change the logic for an item for

this instance only? Examples are greatly appreciated!

'sortof' pseudo-code of what I want to accomplish:

oFrm = createobject("frmDates")

oFrm.MyTxtBox.rt-click procedure = <change of logic>

TIA,

--Mike

********************************

Michael Babcock

KePRO, Inc.

Tel: 717-564-8288

Fax: 717-564-4188

Internet Address: mbabcock@kepro.org

Home Page: http://www.kepro.org

********************************

On 10/8/99 11:44 AM, Michael Babcock supposedly said:

>I have a subclassed form "frmDates". I want to use class, but slightly

>change

>the functionality of two of its textboxes right-click event. Must I do

>another DEFINE or is there a way to directly change the logic for an item for

>this instance only? Examples are greatly appreciated!

>

>'sortof' pseudo-code of what I want to accomplish:

> oFrm = createobject("frmDates")

> oFrm.MyTxtBox.rt-click procedure = <change of logic>

You cannot modify the code of an instance. You'll either have to

subclass, or bracket your RightClick() code to do different things based

on some form property:

DO CASE

CASE Thisform.cBehavior = "Foo"

{do 'foo' right-click stuff}

CASE Thisform.cBehavior = "Bar"

{do 'bar' right-click stuff}

ENDCASE

Then when you create your form, do the following:

oFrm = createobject("frmDates")

oFrm.cBehavior = "Bar"

oFrm.Show()

___/

/

__/

/

____/

Ed Leafe

http://leafe.com/

In the subclassed item's method you want modified, you can just have you

code execute, as apposed to the inherited parents code run..

> -----Original Message-----

> From: Michael Babcock [SMTP:mbabcock@kepro.org]

> Sent: Friday, October 08, 1999 8:44 AM

> To: Multiple recipients of ProFox

> Subject: (subclassing) Modifying an existing functionality

>

> I have a subclassed form "frmDates". I want to use class, but slightly

> change

> the functionality of two of its textboxes right-click event. Must I do

> another DEFINE or is there a way to directly change the logic for an item

> for

> this instance only? Examples are greatly appreciated!

>

> 'sortof' pseudo-code of what I want to accomplish:

> oFrm = createobject("frmDates")

> oFrm.MyTxtBox.rt-click procedure = <change of logic>

>

> TIA,

> --Mike

>

> ********************************

> Michael Babcock

> KePRO, Inc.

> Tel: 717-564-8288

> Fax: 717-564-4188

> Internet Address: mbabcock@kepro.org

> Home Page: http://www.kepro.org

> ********************************

>

>

Mike,

You would need to subclass your frmDates and put the new login in there.

So, if your frmDates is hand-coded as opposed to a vcx, then yes, you would

have to use another DEFINE. If it is a vcx, just create a new form class

based on frmDates and put your new logic in there.

HTH

Chad Bourque

U.S. Bankruptcy Court - 11th Circuit

Alabama - Northern District - Southern Division

Chad@teche.net

----- Original Message -----

From: Michael Babcock <mbabcock@kepro.org>

To: Multiple recipients of ProFox <profox@leafe.com>

Sent: Friday, October 08, 1999 10:44 AM

Subject: (subclassing) Modifying an existing functionality

I have a subclassed form "frmDates". I want to use class, but slightly

change

the functionality of two of its textboxes right-click event. Must I do

another DEFINE or is there a way to directly change the logic for an item

for

this instance only? Examples are greatly appreciated!

'sortof' pseudo-code of what I want to accomplish:

oFrm = createobject("frmDates")

oFrm.MyTxtBox.rt-click procedure = <change of logic>

TIA,

--Mike

********************************

Michael Babcock

KePRO, Inc.

Tel: 717-564-8288

Fax: 717-564-4188

Internet Address: mbabcock@kepro.org

Home Page: http://www.kepro.org

********************************

It's from a vcx using CREATEOBJECT(), not an .scx subclassed form. (Or do I

misunderstand you?) --Mike

>>> "tmiller@probusiness.com" 10/08/99 12:19pm >>>

In the subclassed item's method you want modified, you can just have you

code execute, as apposed to the inherited parents code run..

> -----Original Message-----

> From: Michael Babcock [SMTP:mbabcock@kepro.org]

> Sent: Friday, October 08, 1999 8:44 AM

> To: Multiple recipients of ProFox

> Subject: (subclassing) Modifying an existing functionality

> > I have a subclassed form "frmDates". I want to use class, but slightly

> change

> the functionality of two of its textboxes right-click event. Must I do

> another DEFINE or is there a way to directly change the logic for an item

> for

> this instance only? Examples are greatly appreciated!

> > 'sortof' pseudo-code of what I want to accomplish:

> oFrm = createobject("frmDates")

> oFrm.MyTxtBox.rt-click procedure = <change of logic>

> > TIA,

> --Mike

> > ********************************

> Michael Babcock

> KePRO, Inc.

> Tel: 717-564-8288

> Fax: 717-564-4188

> Internet Address: mbabcock@kepro.org

> Home Page: http://www.kepro.org

> ********************************

> > ********************************

Michael Babcock

KePRO, Inc.

Tel: 717-564-8288

Fax: 717-564-4188

Internet Address: mbabcock@kepro.org

Home Page: http://www.kepro.org

********************************

On 8 Oct 99, at 12:28, Michael Babcock wrote:

> It's from a vcx using CREATEOBJECT(), not an .scx subclassed form. (Or do

> I misunderstand you?) --Mike

Mike, .scx's are not classes, but forms that are either subclassed

from a vcx library, or from the VFP base classes.

The fact that you have a your form in a vcx means that all you have

to do is create a new class based on frmdates, put your overriding

code in the appropriate places, and then, instead of issuing

CREATEOBJECT("frmdates"), issue CREATEOBJECT("frmnewdates").

Paul McNett

Computer Consultant / Custom Application Developer

Professional Computer Solutions

Hollister, CA 95023

mailto:pmcnett@pcs-blc.com

Paul,

That's what I kind of thought but ruled that out after reading Ed's reply. But then again, I'm not well today (sick) so I'm somewhat in the fog. I need

the weekend <g>.

So can I do this on the fly programmatically, or am I limited to having to use

the GUI development? I would think I should be able to do it in code, but the

DEFINE CLASS helpdoc makes me wonder how I alter an existing object's method. I'm not adding an object, because it's already there. So how I address this? --Mike

>>> "pmcnett@pcs-blc.com" 10/08/99 01:15pm >>>

On 8 Oct 99, at 12:28, Michael Babcock wrote:

> It's from a vcx using CREATEOBJECT(), not an .scx subclassed form. (Or do

> I misunderstand you?) --Mike

Mike, .scx's are not classes, but forms that are either subclassed from a vcx

library, or from the VFP base classes.

The fact that you have a your form in a vcx means that all you have to do is

create a new class based on frmdates, put your overriding code in the

appropriate places, and then, instead of issuing CREATEOBJECT("frmdates"),

issue CREATEOBJECT("frmnewdates").

Paul McNett

Computer Consultant / Custom Application Developer

Professional Computer Solutions

Hollister, CA 95023

mailto:pmcnett@pcs-blc.com

********************************

Michael Babcock

KePRO, Inc.

Tel: 717-564-8288

Fax: 717-564-4188

Internet Address: mbabcock@kepro.org

Home Page: http://www.kepro.org

********************************

On 10/8/99 1:52 PM, Michael Babcock supposedly said:

>So can I do this on the fly programmatically, or am I limited to having to

>use the GUI development? I would think I should be able to do it in code,

>but the DEFINE CLASS helpdoc makes me wonder how I alter an existing

>object's method. I'm not adding an object, because it's already there. So

>how I address this?

If you are doing this in code, just re-define the method. So if you

have a textbox named "txtBlah" on your form and you want to override its

RightClick() method, you'd add a proc to your define as follows:

PROCEDURE txtBlah.RightClick

{your custom code here}

ENDPROC

If you are creating the forms using the visual tools, just open the

code editing window, select the proper control and method, and add your

code. That's it!

___/

/

__/

/

____/

Ed Leafe

http://leafe.com/

Michael,

a method is code and will be compiled prior to run time. You can not

write new code durring run time

the define class is a development code not a runtime code

if you make a procedure file [.prg] with a define class, then if you set

procdure to <myproc>

you can use the define clss when you do createobject(<myclass>)

HTH

Michael Babcock wrote:

>

> Paul,

>

> That's what I kind of thought but ruled that out after reading Ed's reply. But then again, I'm not well today (sick) so I'm somewhat in the fog. I need

> the weekend <g>.

>

> So can I do this on the fly programmatically, or am I limited to having to use

> the GUI development? I would think I should be able to do it in code, but the

> DEFINE CLASS helpdoc makes me wonder how I alter an existing object's method. I'm not adding an object, because it's already there. So how I address this? --Mike

>

[snip]

--

Allan Lindgren

allan_lindgren@starkey.com

If you offer me a penny for my thoughts,

and I give you my two cents worth,

Who gets the change?

Well that makes sense; I know that. Man, I'm really out of it today (sick). That's it...no more questions today....time for nappy.... <g>.

>>> "allan_lindgren@starkey.com" 10/08/99 02:55pm >>>

Michael,

a method is code and will be compiled prior to run time. You can not

write new code durring run time

the define class is a development code not a runtime code

if you make a procedure file [.prg] with a define class, then if you set

procdure to <myproc>

you can use the define clss when you do createobject(<myclass>)

HTH

Michael Babcock wrote:

> > Paul,

> > That's what I kind of thought but ruled that out after reading Ed's reply.

But then again, I'm not well today (sick) so I'm somewhat in the fog. I need

> the weekend <g>.

> > So can I do this on the fly programmatically, or am I limited to having to

use

> the GUI development? I would think I should be able to do it in code, but

the

> DEFINE CLASS helpdoc makes me wonder how I alter an existing object's

method. I'm not adding an object, because it's already there. So how I

address this? --Mike

> [snip]

-- Allan Lindgren

allan_lindgren@starkey.com

If you offer me a penny for my thoughts,

and I give you my two cents worth,

Who gets the change?

********************************

Michael Babcock

KePRO, Inc.

Tel: 717-564-8288

Fax: 717-564-4188

Internet Address: mbabcock@kepro.org

Home Page: http://www.kepro.org

********************************