Re: Conversion from v2003

[David Samson via 4D_Tech]

Hello Luc,

I have last used DDE tools about a decade ago. I doubt you will find a
simple replacement since the technology has moved on. I would analyse what
you are actually trying to achieve with the DDE and rethink the methodology.

In our case we replaced it with some ODBC calls to a database the target
system populates and we poll it periodically.

LAUNCH EXTERNAL PROCESS is a very powerful command these days and I have
had success with it in a number of situations. It has replaced
functionality that we could only achieve with a plugin previously.

Many systems support web services as well - another possibility.

Maybe we could be of more help we knew what the DDE calls were trying to
achieve.

David Samson
Manchester
U.K.


I am not too familiar with DDE_Tools. I am wondering if someone can point
> me in a direction to help me have more information on that plugins and how
> to replace it in V17. Maybe there is something similar out there now. A new
> plugin, a component or tech note that would help me replace it and move to
> v17.
>
> Luc Devar
>
>
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Re: Conversion from v2003

[Keisuke Miyako via 4D_Tech]

it's a plugin, written for v12 (I think a couple of developers used it back 
then, not sure about now)

https://github.com/miyako/4d-plugin-4d-for-oracle

2019/06/12 4:52、Luc Devar via 4D_Tech 
<4d_tech@lists.4d.com>のメール:

I think M. Miyako Keisuke has developed something that duplicates the old 4D 
for Oracle plugins. Is it a plugin or a component ? I am not sure as I am 
starting to look into this.



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Re: Conversion from v2003

[Tom Benedict via 4D_Tech]

> Luc Devar writes:

> I am not too familiar with DDE_Tools. I am wondering if someone can point me 
> in a direction to help me have more information on that plugins and how to 
> replace it in V17. Maybe there is something similar out there now. A new 
> plugin, a component or tech note that would help me replace it and move to 
> v17.
> 
We used DDE_Tools for many years to do a ‘screen pop’ from a .NET program to 
4D. The .NET app, a telephony application, would pass a value and a 4D method 
name into 4D and bring the 4D app to the foreground and display a record. It 
worked through at least v14; that’s where I left it. It might continue to work. 
I believe it was originally written by Pascal Pradier and was distributed by 4D.

I don’t know what the best ‘modern’ approach would be to replacing this 
functionality. Perhaps Mr Miyako has some magic?

Tom Benedict

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Re: Conversion from v2003

[Charles Miller via 4D_Tech]

There is still 4D for OCI in v17. which is connection to Oracle.

I am using it on windows with great success

Regards

Chuck

On Tue, Jun 11, 2019 at 3:52 PM Luc Devar via 4D_Tech
<4d_tech@lists.4d.com> wrote:
>
> I have a client that still uses an old v2003 DB.  They finally decided to 
> upgrade to a more current version.  I am doing a quick analysis to assets the 
> amount of work that needs to be done.  I can see the v2003 use old plugins 
> that does not exist anymore. Most of them I can deal with but the plugins 4D 
> for Oracle and DDE_Tools are the one that concerns me.
>
> I think M. Miyako Keisuke has developed something that duplicates the old 4D 
> for Oracle plugins. Is it a plugin or a component ? I am not sure as I am 
> starting to look into this.
>
> I am not too familiar with DDE_Tools. I am wondering if someone can point me 
> in a direction to help me have more information on that plugins and how to 
> replace it in V17. Maybe there is something similar out there now. A new 
> plugin, a component or tech note that would help me replace it and move to 
> v17.
>
> Luc Devar
> **
> 4D Internet Users Group (4D iNUG)
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> **



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Re: Conversion from v2003

[Narinder Chandi via 4D_Tech]

Luc,

I assume that this 4D database is running on Windows since DDE is a Windows 
technology, I think DDE is Dynamic Data Entry which is a way of communicating 
between Windows programs, I think it was quite commonly used to send/receive 
information from Excel and also other applications. I think OLE technology came 
later possibly as replacement. Not sure how this can be done via 4D v17 - 
perhaps Windows experts can offer suggestions?

The solution for replacing 4D Oracle is probably to use a 4D ODBC driver (I 
think there is one?) on Windows and then use the native 4D SQL commands. I did 
something like this on Windows many, many years ago but it was to replace the 
4D Sybase plugin.

Regards,
 
Narinder Chandi,
ToolBox Systems Ltd.
-- 

-Original Message-
From: 4D_Tech <4d_tech-boun...@lists.4d.com> on behalf of 4D Tech Mailing List 
<4d_tech@lists.4d.com>
Reply-To: 4D Tech Mailing List <4d_tech@lists.4d.com>
Date: Tuesday, 11 June 2019 at 20:52
To: 4D Tech Mailing List <4d_tech@lists.4d.com>
Cc: Luc Devar 
Subject: Conversion from v2003

I have a client that still uses an old v2003 DB.  They finally decided to 
upgrade to a more current version.  I am doing a quick analysis to assets the 
amount of work that needs to be done.  I can see the v2003 use old plugins that 
does not exist anymore. Most of them I can deal with but the plugins 4D for 
Oracle and DDE_Tools are the one that concerns me.

I think M. Miyako Keisuke has developed something that duplicates the old 
4D for Oracle plugins. Is it a plugin or a component ? I am not sure as I am 
starting to look into this.

I am not too familiar with DDE_Tools. I am wondering if someone can point 
me in a direction to help me have more information on that plugins and how to 
replace it in V17. Maybe there is something similar out there now. A new 
plugin, a component or tech note that would help me replace it and move to v17.

Luc Devar
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Conversion from v2003

[Luc Devar via 4D_Tech]

I have a client that still uses an old v2003 DB.  They finally decided to 
upgrade to a more current version.  I am doing a quick analysis to assets the 
amount of work that needs to be done.  I can see the v2003 use old plugins that 
does not exist anymore. Most of them I can deal with but the plugins 4D for 
Oracle and DDE_Tools are the one that concerns me.

I think M. Miyako Keisuke has developed something that duplicates the old 4D 
for Oracle plugins. Is it a plugin or a component ? I am not sure as I am 
starting to look into this.

I am not too familiar with DDE_Tools. I am wondering if someone can point me in 
a direction to help me have more information on that plugins and how to replace 
it in V17. Maybe there is something similar out there now. A new plugin, a 
component or tech note that would help me replace it and move to v17.

Luc Devar
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