Ergonomic 4D office...

[Robert ListMail via 4D_Tech]

I've got some unexplained back problems—severe pain over the last three days... 
I'm reminded that: I'm not 21 anymore, and that my office desk and chair are 
probably far from optimal. I'm sure that my injury has nothing to do with my 
motorcycle crash last year or my personal plumbing efforts last month! :)  Yet 
it's a wake up call to protect my aging bag of bones. So, when I go to NAB I 
always notice the adjustable TBC Consoles where you can stand to work or sit at 
different heights. This is just one idea to improve my health going forward. 
So, do you have a favorite adjustable height desk and/or office chair that you 
care to mention?

Thanks,

Robert

Sent from my iPhone
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Re: Working 4Dv15 Windows

[Keisuke Miyako via 4D_Tech]

it doesn't sound like a typical experience.
could it be possible that you work with a special configuration?

screen DPI
font
font size
incompatible Direct2D hardware acceleration (need to update firmware, for 
example)
http://doc.4d.com/4Dv15/4D/15.4/SET-DATABASE-PARAMETER.301-3274410.en.html

etc.

> 2017/10/19 22:51、Ronnie Teo via 4D_Tech <4d_tech@lists.4d.com> のメール：
> Does anyone know what is the cause and how to rectify this. Thanks.




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Re: Combine pictures in v15

[Keisuke Miyako via 4D_Tech]

F.Y.I. picture operators were updated in v14

http://doc.4d.com/4Dv15/4D/15.4/Picture-Operators.300-3274678.en.html

> (*) The functioning of the exclusive superimposition (&) and inclusive 
> superimposition (|) operators is modified starting with 4Dv14 following the 
> update of the display management libraries used by the program.
> Pict3 := Pict1 & Pict2 produces the same result as:
>  COMBINE PICTURES(pict3;pict1;Superimposition;pict2)

but your problem might be related to the specification

> The picture operators return vectorial pictures if the two source pictures 
> are vectorial. Remember, however, that pictures printed by the display format 
> On Background are printed bitmapped.

alternatively you could explicitly replace the "white" pixels with 
"transparent".

http://doc.4d.com/4Dv15/4D/15.4/TRANSFORM-PICTURE.301-3274515.en.html

> 2017/10/19 22:56、Ronnie Teo via 4D_Tech <4d_tech@lists.4d.com> のメール：
>
> The problem is that now the white background of Picture2 also covers part of 
> Picture1 instead of being a clean transparent overlay.
> Can anyone advise how it’s possible to deal with the background issue when 
> combining 2 pictures with the new picture commands?




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Re: Is a package preferred?

[Keisuke Miyako via 4D_Tech]

I think the difference is largely cosmetic,
but spotlight might fail to locate files inside a package.
(resources, for example)

> 2017/10/20 7:41、Robert ListMail via 4D_Tech <4d_tech@lists.4d.com> のメール：
> Regarding best practices, what approach do you favor? Do we like packages?  :)




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Is a package preferred?

[Robert ListMail via 4D_Tech]

It seems like most of my Mac-based 4D databases are in a folder with the 
structure and datafile on the same level and where there might be a test data 
file in folder elsewhere. Yet, I have a few newly inherited Mac-based databases 
that are in packages. Regarding best practices, what approach do you favor? Do 
we like packages?  :)

Thanks,

Robert
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Re: QUERY into variable vs. Records in Table

[David Adams via 4D_Tech]

> And all it's doing is waiting for a relatively rare condition to happen
(and a record to appear in this table).  It might
>  happen at most once or twice per day, maybe only once every few days,
but when it happens it has to be dealt with
> immediately. It's such a waste to be constantly querying for a record
that 9 times out of 10 won't exist.

Can this rare condition that creates a record do anything else? Something
that would make it into a push/notification instead of record/semaphore
that you have to constantly poll for?

And, the last time I tested, Records in table takes advantage of a stored
statistic so it's speed is very fast and also very consistent. It doesn't
change based on table size, etc. As you know, InnoDB doesn't store that
stat, so SELECT COUNT(*) on a big table can kill you. Postgres, on the
other hand, stores tons of stats and has a sample-based frequency table on
board or the query analyzer to read from.
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Re: QUERY into variable vs. Records in Table

[Kirk Brooks via 4D_Tech]

Hi Jeff,

On Thu, Oct 19, 2017 at 10:28 AM, Jeffrey Kain via 4D_Tech <
4d_tech@lists.4d.com> wrote:

> ​...
>

all it's doing is waiting for a relatively rare condition to happen (and a
> record to appear in this table).  It might happen at most once or twice per
> day, maybe only once every few days, but when it happens it has to be dealt
> with immediately. It's such a waste to be constantly querying for a record
> that 9 times out of 10 won't exist.
>
​
An approach I use in these cases is (I'm using pseudo code and this off the
top of my head)​:

​// Handle_rare_condition (critical param{;internal param})

Case of

:(Count parameters=1)

//  Write $1 to the [Message table}

$id:=Execute on server(Current method name;0;Current method name;$1;Current
process;*)

Resume process($id)


:(Count parameters=2) //  this part is executing on the server


$done:=false

While(Not($done))

All Records([Message table])

Loop ([Message table])  --  do important stuff

Pause process(Current process)

End while

End case​


​When ​Handle_rare_condition is called with one param it writes that param
to the Message Table. Then it calls itself on the server. Execute on server
will either start the process, if it isn't already there, or since I
included the trailing * simply return the id of the existing process, which
if it exists is probably paused. Resume process($id) is ignored if the
process isn't paused (like when you just created it). Otherwise it wakes it
up.

On the server side $1 is pretty much ignored in this case. $2 might be
useful (I use this same form on Clients for spawning processes so knowing
the parent process number can be useful for messaging). In this case you
could make $1 a magic number of some sort to indicate the part of the code
running on the server. Or you could write the [Message table] record first
and then call this method without any params to initiate it and the parent
process as $1 to indicate the server code.

Whatever, the bottom part of the method starts a loop on the server which
sounds like it could get all records for [Message table], loop them and do
the important stuff. Then just go back to sleep. As someone else suggested
this could be called from a trigger on [Message table] to run whenever one
of those records was created. ​

​This would not involve any queries.​

I like putting the spawning and execution of server side methods in one
method. All the important stuff is in one place.

-- 
Kirk Brooks
San Francisco, CA
===

*The only thing necessary for the triumph of evil is for good men to do
nothing.*

*- Edmund Burke*
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Re: QUERY into variable vs. Records in Table

[Tim Nevels via 4D_Tech]

On Oct 19, 2017, at 1:45 PM, Jeffrey Kain  wrote:

> Decided to test it. Here are the results, running interpreted, client-server 
> against a server under very low load:
> 
> Records in table: 565 ms
> Semaphore polling: 2482 ms
> Query into variable: 2749 ms

Makes sense to me if you think like a programmer and what it would take to 
accomplish the task. 

Records in table requires a small packet of data to be sent to the server, 
server checks a value in RAM and sends back a small packet of data with the 
result. So minimal network I/O.

Semaphore would also be a small packet of data sent to the server, but the code 
running on the server would obviously be more complex so takes a little longer 
to process. Another small packet of data sent back to the client.

And doing a QUERY would be the most code intensive on the server. 

Would have been interesting to see the result if you did a QUERY into the 
current selection. I would guess that would take a bit longer due to having to 
manage setting up the current selection on the server. And the packet of data 
returned by the server would also include the first record of the selection so 
it would be bigger. Plus all the time on the client side to setup the selection 
info and make the shadow copy of the current record. 

Everything is small bits of time, but they all add up when you do it thousands 
of times.

Tim


Tim Nevels
Innovative Solutions
785-749-3444
timnev...@mac.com


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Re: QUERY into variable vs. Records in Table

[Jeffrey Kain via 4D_Tech]

Great idea - I think that would actually work for what I need...

Thanks!

--
Jeffrey Kain
jeffrey.k...@gmail.com

> On Oct 19, 2017, at 2:45 PM, Spencer Hinsdale via 4D_Tech 
> <4d_tech@lists.4d.com> wrote:
> 
> maybe i don't understand but what about:
> 
> `trigger
> execute on client("@";"flagPoll")
> 
> `flagPoll
> c_boolean(<>flagPoll)
> <>flagPoll:=true

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Re: QUERY into variable vs. Records in Table

[Spencer Hinsdale via 4D_Tech]

maybe i don't understand but what about:

`trigger
execute on client("@";"flagPoll")

`flagPoll
c_boolean(<>flagPoll)
<>flagPoll:=true

...

if(<>flagPoll)
>   $x:=Records in table([ServerMigrations])
<>flagPoll:=false
else
 `skip 99,999 calls to server
end if

> On Oct 19, 2017, at 11:31 AM, Jeffrey Kain via 4D_Tech <4d_tech@lists.4d.com> 
> wrote:
> 
> Decided to test it. Here are the results, running interpreted, client-server 
> against a server under very low load:
> 
> Records in table: 565 ms
> Semaphore polling: 2482 ms
> Query into variable: 2749 ms
> 
> Here's my test code:
> 
> C_LONGINT($msRIT;$msSEM;$msQUERY;$x;$n)
> C_BOOLEAN($b)
> $n:=1000
> 
> $msRIT:=Milliseconds
> For ($i;1;$n)
>   $x:=Records in table([ServerMigrations])
> End for 
> $msRIT:=Milliseconds-$msRIT

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Re: QUERY into variable vs. Records in Table

[Jeffrey Kain via 4D_Tech]

Decided to test it. Here are the results, running interpreted, client-server 
against a server under very low load:

Records in table: 565 ms
Semaphore polling: 2482 ms
Query into variable: 2749 ms

Here's my test code:

C_LONGINT($msRIT;$msSEM;$msQUERY;$x;$n)
C_BOOLEAN($b)
$n:=1000

$msRIT:=Milliseconds
For ($i;1;$n)
   $x:=Records in table([ServerMigrations])
End for 
$msRIT:=Milliseconds-$msRIT

$msSEM:=Milliseconds
For ($i;1;$n)
   $b:=Test semaphore("SomeSemaphore")
End for 
$msSEM:=Milliseconds-$msSEM

$msQUERY:=Milliseconds
For ($i;1;$n)
   SET QUERY DESTINATION(Into variable;$x)
   QUERY([ServerMigrations];[ServerMigrations]StartDate=!2017-10-18!)
   SET QUERY DESTINATION(Into current selection)
End for 
$msQUERY:=Milliseconds-$msQUERY

ALERT("Records in table: "+String($msRIT)+" ms.\n"+\
   "Semaphore polling: "+String($msSEM)+" ms.\n"+\
   "Query into variable: "+String($msQUERY)+" ms.")



> On Oct 19, 2017, at 2:06 PM, Timothy Penner  wrote:
> 
> Got it, the two concepts just seem completely different. One requires a query 
> the other doesn’t.
> I would assume the query would slow it down, but I could be wrong or the 
> difference could be insignificant...
> 
> Sorry if this isn’t much help.
> 
> -Tim

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Re: PDF in Web Area not displaying on a Mac

[John Baughman via 4D_Tech]

Ortwin.

I tried with both in, both out, one or the other in and out and the Web Area 
still refuses to display the PDF. The area remains blank.

To all who have tried to help in this regard…

 I will have to put this aside for now. Probably make a call to Tech Support 
just to see if perhaps it needs to be reported as a bug, but it will go on back 
burner for me now. 

Thanks

John



> On Oct 19, 2017, at 12:22 AM, Ortwin Zillgen via 4D_Tech 
> <4d_tech@lists.4d.com> wrote:
> 
>> I think the problem may be High Sierra.
> 
> nope
> 
>> Try updating Adobe
> 
> of no help
> 
>> I must not be doing it right as Safari continues to display using the 
>> Preview viewer and Firefox displays in Adobe Reader. I have 2 plugins...
>> 
>> AdobePDFViewer.plugin
>> AdobePDFFViewerNPAPI.plugin
> 
> that's the problem. Those interfere and Webarea can't display PDF.
> Get rid of those and restart the Mac, Adobe likes to be persistent.
> 
> 
> 
> Regards
> O r t w i n  Z i l l g e n
> -
>    
>  
> member of developer-network 
> 
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(808) 262-0328
john...@hawaii.rr.com





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Re: QUERY into variable vs. Records in Table

[Spencer Hinsdale via 4D_Tech]

trigger?

> On Oct 19, 2017, at 10:28 AM, Jeffrey Kain via 4D_Tech <4d_tech@lists.4d.com> 
> wrote:
> 
> I feel like I'm missing an obvious solution.
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RE: QUERY into variable vs. Records in Table

[Timothy Penner via 4D_Tech]

I am not sure why you would be comparing QUERY into variable vs. Records in 
Table - did you really mean Records in Selection, not Table?

QUERY into variable would require a query which would probably be slower (due 
to a query).
Records in Table ignores any selection and just returns the number of records 
in the table, presumably from the table headers (without any actual query).

Of course I am just guessing here, I haven’t run any tests.

-Tim



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Re: QUERY into variable vs. Records in Table

[Julio Carneiro via 4D_Tech]

Jeffrey, I did not quite get your question.

Records in Table does not relate to QUERY in any way, because you are comparing 
a sort of static number, total records in a table, to the result of a dynamic 
operation.

Did you mean compare:

Set Query Destination(into variable;$nrecs)
query….
Set Query Destination(into current selection)

as opposed to

   Query…
   $nrecs:= records in selection ([table])


There I can see a viable comparison, and without running any real tests, gut 
feeling tells me the first would be quicker. The difference is that in the 
second case the first record in the selection is made available to the client, 
thus transferred over the network. While i the first case, all that sent from 
server to client is a number! Thus network wise, first option sounds quicker.

Now, back Records in Table, one would think that would be a known variable, 
that 4D would have available at some place. Well, it does not… first time you 
call Records in Table, 4D seems to actually calculate the # of recs in a table, 
and on a large DB it’ll take some time to respond. Then it caches that number, 
and subsequent calls are quicker. I have a form on most of my apps, where I 
present a list of tables along with their record count. On a 70Gb datafile, 
with 100s of table, populating that list can take a measurable amount (the 
first time).

julio
> On Oct 19, 2017, at 3:28 PM, Jeffrey Kain via 4D_Tech <4d_tech@lists.4d.com> 
> wrote:
> 
> We've been using the new Get Database Measures command to take a look at what 
> our application is actually doing, and plotting some of these metrics to our 
> dashboard... for example, most frequently run queries.  This particular query 
> popped to the top, executing a few hundred times per minute.
> 
> And all it's doing is waiting for a relatively rare condition to happen (and 
> a record to appear in this table).  It might happen at most once or twice per 
> day, maybe only once every few days, but when it happens it has to be dealt 
> with immediately. It's such a waste to be constantly querying for a record 
> that 9 times out of 10 won't exist.
> 
> I feel like I'm missing an obvious solution.
> 
> --
> Jeffrey Kain
> jeffrey.k...@gmail.com
> 
> 

--
Julio Carneiro
jjfo...@gmail.com



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RE: Listbox question

[Timothy Penner via 4D_Tech]

> In the same layout, i use the settings for other listobox object and work.
> Only for one listbox the settings not work..

Does deleting and recreating the list box help?

If not, what about duplicating one of the working list boxes and then modifying 
the properties of the duplicated one to fit your needs?

-Tim



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Re: QUERY into variable vs. Records in Table

[Jeffrey Kain via 4D_Tech]

We've been using the new Get Database Measures command to take a look at what 
our application is actually doing, and plotting some of these metrics to our 
dashboard... for example, most frequently run queries.  This particular query 
popped to the top, executing a few hundred times per minute.

And all it's doing is waiting for a relatively rare condition to happen (and a 
record to appear in this table).  It might happen at most once or twice per 
day, maybe only once every few days, but when it happens it has to be dealt 
with immediately. It's such a waste to be constantly querying for a record that 
9 times out of 10 won't exist.

I feel like I'm missing an obvious solution.

--
Jeffrey Kain
jeffrey.k...@gmail.com


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Re: Listbox question

[stardata.info via 4D_Tech]

Nigel,

Thank for suggestions.

In the same layout, i use the settings for other listobox object and work.
Only for one listbox the settings not work..


Thanks
/Ferdinando/

Il 19/10/2017 19:17, 4d_tech-requ...@lists.4d.com ha scritto:

Message: 3
Date: Thu, 19 Oct 2017 11:14:08 +0100
From: Nigel Greenlee
To: 4D iNug Technical<4d_tech@lists.4d.com>
Subject: Re: Listbox question
Message-ID:<47621396-d270-499f-b63f-fb1a71568...@me.com>
Content-Type: text/plain;   charset=us-ascii

Ferdinando

I want to share with you how i manage listbox scroll bars

1) In the on load section of the form i call a wrapper method with pointer to 
the list box area(i have never updated these to use the object name but that 
should really be done).

LB_SetScrollBar (->SCRIPTS_lB_Scripts;-2;-2)  the -2 here sets them to visible 
if i want them invisible it is -3 -3




I have put the code for that method 
here.https://www.dropbox.com/s/j6fmfrmt954ue8c/LbSetScroll.txt?dl=0

This is a nice method-i (originally) wrote(with others) when we moved from AL 
many years ago. you can use it to hide/swap/show vertical or horizontal or set 
the scroll position


2) in the form resize i call another bit of code
LB_ShowHideScrollonResize(->SCRIPTS_lB_Scripts)

I have put the code for that method 
here.https://www.dropbox.com/s/kfjyfp8i3uw02wm/LB_ShowHideScrollonResize.txt?dl=0

This method works out if the scroll bars need to be displayed(based on the 
column widths and the number of rows and the size of the listbox area-It calls 
the first method))




Hope this is useful to someone


Nigel Greenlee
(This gun is for hire..available for tackling any 4D job anywhere)


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Re: QUERY into variable vs. Records in Table

[Pat Bensky via 4D_Tech]

I'd have thought Records in Table would be quicker ... I'm sure 4D already
"knows" how many records there are in each table, so it can just answer
that question immediately rather than having to query and count the result
...

Pat

On 19 October 2017 at 17:28, Dennis, Neil via 4D_Tech <4d_tech@lists.4d.com>
wrote:

> > Does anyone know the relative performance impact on a server of calling
> a QUERY wrapped inside
> > a SET QUERY DESTINATION (Into Variable...), compared to calling Records
> In Table?
>
> In theory, related to each other the into variable would execute a bit
> faster in that it isn't building and passing selections between client and
> server. But I would bet the actual difference is pretty minimal.
>
> I would be curious if someone wants to set it up and test the actual time
> :)
>
> Neil
>
>
>
>
>
>
> --
>
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Re: QUERY into variable vs. Records in Table

[Jeffrey Kain via 4D_Tech]

I was thinking that I could just create a semaphore instead of creating a 
record. The code that would otherwise be querying would just be calling Test 
Semaphore... but a method to clear that semaphore would be tricky since only 
the process that creates it can kill it.

And I kind of wonder if Semaphore is just as "expensive" as Records in Table, 
since both involve a little bit of network traffic.

--
Jeffrey Kain
jeffrey.k...@gmail.com

> On Oct 19, 2017, at 1:17 PM, Arnaud de Montard via 4D_Tech 
> <4d_tech@lists.4d.com> wrote:
> 
> I'd call that "the stowaway" instead, but you get the idea… 
> 
> Of course it doesn't fit your need if the goal is a "real time" answer. 

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Re: QUERY into variable vs. Records in Table

[Arnaud de Montard via 4D_Tech]

> Le 19 oct. 2017 à 18:25, Jeffrey Kain via 4D_Tech <4d_tech@lists.4d.com> a 
> écrit :
> 
> Does anyone know the relative performance impact on a server of calling a 
> QUERY wrapped inside a SET QUERY DESTINATION (Into Variable...), compared to 
> calling Records In Table?
> 
> If you had to do one a hundred times a minute or more, which would you 
> choose? I'm guessing the server can get the record count of a table much 
> faster than any type of query, but I haven't logged it or measured it yet.

Makes me remind an Olivier Deschanels' demo during last world tour, "the 
backpack", because he used Records in table(s) as example. 

Instead of direct calls to server to get that, he packs it in an object and 
stores it in a "departure area". Then, when a "do it now" request must be send, 
the content of the departure area is added and the whole stuff is send. On 
server side, unpack, execute, pack, send back. Back to client, unpack. 

I'd call that "the stowaway" instead, but you get the idea… 

Of course it doesn't fit your need if the goal is a "real time" answer. 

-- 
Arnaud 




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RE: QUERY into variable vs. Records in Table

[Dennis, Neil via 4D_Tech]

> Does anyone know the relative performance impact on a server of calling a 
> QUERY wrapped inside
> a SET QUERY DESTINATION (Into Variable...), compared to calling Records In 
> Table?

In theory, related to each other the into variable would execute a bit faster 
in that it isn't building and passing selections between client and server. But 
I would bet the actual difference is pretty minimal.

I would be curious if someone wants to set it up and test the actual time :)

Neil






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QUERY into variable vs. Records in Table

[Jeffrey Kain via 4D_Tech]

Does anyone know the relative performance impact on a server of calling a QUERY 
wrapped inside a SET QUERY DESTINATION (Into Variable...), compared to calling 
Records In Table?

If you had to do one a hundred times a minute or more, which would you choose? 
I'm guessing the server can get the record count of a table much faster than 
any type of query, but I haven't logged it or measured it yet.
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Combine pictures in v15

[Ronnie Teo via 4D_Tech]

Hi All,

I have a query regarding combining 2 pictures in v15.

I have a function in a v11 application whereby the user drags a picture onto a 
base picture.
A new merged picture is created using the 4D picture operator | ……. 
Picture1 := Picture1 | Picture2

Now the app is in the process of being upgraded to v15 and the new 4D command 
line used is …..
COMBINE PICTURES (Picture1;Picture1;Superimposition;Picture2)

The problem is that now the white background of Picture2 also covers part of 
Picture1 instead of being a clean transparent overlay.
Can anyone advise how it’s possible to deal with the background issue when 
combining 2 pictures with the new picture commands?


Regards,
Ronnie
Tarawerkz




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Working 4Dv15 Windows

[Ronnie Teo via 4D_Tech]

Hi All,

I am in the midst of converting 4D Windows-based application from v11 to v15 
and encountered a strange issue.

When editing a method under v15, all the text are jumbled up.
I tested with creating a new method, not just methods carried over from the 
past and the effect is the same.

For example, typing a string like " [filename]fieldname := “.  Once the 
assignment operator is keyed in, the text gets overlaid over the beginning 
characters of the string, making the entire string of text illegible.

The text renders well when running under the Mac version.
It’s also ok when using a Mac client to access the 4D Server running under 
Windows.

Does anyone know what is the cause and how to rectify this.  Thanks.


Regards,
Ronnie
Tarawerkz

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Re: Server Process "Frozen"-ish

[Cannon Smith via 4D_Tech]

Thanks Jeff and Bernd.

--
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Synergy Farm Solutions Inc.
Hill Spring, AB Canada
403-626-3236




> On Oct 19, 2017, at 12:24 AM, Bernd Fröhlich via 4D_Tech 
> <4d_tech@lists.4d.com> wrote:
> 
> Almost exactly the same setup over here.

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Re: PDF in Web Area not displaying on a Mac

[Ortwin Zillgen via 4D_Tech]

> I think the problem may be High Sierra.

nope

> Try updating Adobe

of no help

> I must not be doing it right as Safari continues to display using the Preview 
> viewer and Firefox displays in Adobe Reader. I have 2 plugins...
> 
> AdobePDFViewer.plugin
> AdobePDFFViewerNPAPI.plugin

that's the problem. Those interfere and Webarea can't display PDF.
Get rid of those and restart the Mac, Adobe likes to be persistent.



Regards
O r t w i n  Z i l l g e n
-
   
 
member of developer-network 

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Re: Listbox question

[Nigel Greenlee via 4D_Tech]

Ferdinando

I want to share with you how i manage listbox scroll bars

1) In the on load section of the form i call a wrapper method with pointer to 
the list box area(i have never updated these to use the object name but that 
should really be done).

LB_SetScrollBar (->SCRIPTS_lB_Scripts;-2;-2)  the -2 here sets them to visible 
if i want them invisible it is -3 -3




I have put the code for that method here. 
https://www.dropbox.com/s/j6fmfrmt954ue8c/LbSetScroll.txt?dl=0

This is a nice method-i (originally) wrote(with others) when we moved from AL 
many years ago. you can use it to hide/swap/show vertical or horizontal or set 
the scroll position


2) in the form resize i call another bit of code
LB_ShowHideScrollonResize(->SCRIPTS_lB_Scripts)

I have put the code for that method here. 
https://www.dropbox.com/s/kfjyfp8i3uw02wm/LB_ShowHideScrollonResize.txt?dl=0

This method works out if the scroll bars need to be displayed(based on the 
column widths and the number of rows and the size of the listbox area-It calls 
the first method))




Hope this is useful to someone


Nigel Greenlee
(This gun is for hire..available for tackling any 4D job anywhere)







> On 18 Oct 2017, at 17:14, stardata.info via 4D_Tech <4d_tech@lists.4d.com> 
> wrote:
> 
> Hi All,
> 
> I use 4D V15.4 on windows.
> In one layout i use the listbox object, and in settings area i have setting 
> the scrol bar like automatic.
> I have only one row in this list box, but 4D show the same the scroll bar.
> 
> Someone know the reason?
> 
> Thanks
> Ferdinando
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Re: PDF in Web Area not displaying on a Mac

[John Baughman via 4D_Tech]

Oops did not finish a sentence…

The process to enable AdobePDFViewer in Higfh Sierra appears to have changed a 
bit. Maybe it changed earlier, but I did not notice. 

> On Oct 18, 2017, at 11:13 PM, John Baughman via 4D_Tech 
> <4d_tech@lists.4d.com> wrote:
> 
> 
> I think the problem may be High Sierra.
> 
> Enabling the Adobe PDF viewer in Safari High Sierra
>> On Oct 18, 2017, at 10:46 PM, Sujit Shah via 4D_Tech <4d_tech@lists.4d.com> 
>> wrote:
>> 
>> Try updating Adobe
>> 
>> 
>> On Thu, 19 Oct 2017 at 7:43 pm, John Baughman via 4D_Tech <
>> 4d_tech@lists.4d.com> wrote:
>> 
>>> R4
>>> 
 On Oct 18, 2017, at 10:33 PM, Sujit Shah via 4D_Tech <
>>> 4d_tech@lists.4d.com> wrote:
 
 Which version of 4D?
 
 On Thu, 19 Oct 2017 at 7:28 pm, John Baughman via 4D_Tech <
 4d_tech@lists.4d.com> wrote:
 
> Not running 64-bit so I don’t believe Blink is involved, but tried your
> suggestion. Still does not work. It loads a blank html or any html for
>>> that
> matter, but not a pdf.
> 
>> On Oct 18, 2017, at 6:10 PM, Keisuke Miyako via 4D_Tech <
> 4d_tech@lists.4d.com> wrote:
>> 
>> what if you load a blank HTML page first, and then switch over to PDF?
>> 
>>> Using Blink (Embedded Web rendering engine in 4D 64-bit versions)
>>> • WA SET PAGE CONTENT: using this command requires that at least one
> page is already loaded in the area (through a call to  WA OPEN URL or an
> assignment to the URL variable associated to the area).
>> 
>> source
>> 
>> 
>>> http://doc.4d.com/4Dv16R4/4D/16-R4/Web-areas.300-3330400.en.html#3199104
>> 
>> I know your situation doesn't quite match that of the documentation,
>>> but
> worth a shot...
>> 
>>> 2017/10/19 10:33、John Baughman via 4D_Tech <4d_tech@lists.4d.com>
>>> のメール：
>>> Still not being displayed on a mac
>> 
>> 
>> 
>> **
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> 
> John Baughman
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> (808) 262-0328
> john...@hawaii.rr.com
> 
> 
> 
> 
> 
> **
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 strength. "
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>>> Kailua, Hawaii
>>> (808) 262-0328
>>> john...@hawaii.rr.com
>>> 
>>> 
>>> 
>>> 
>>> 
>>> **
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>> "There must be ingenuity as well as intention, strategy as well as
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>> **
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> John Baughman
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> (808) 262-0328
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> 
> 
> 
> 
> 
> **
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**

Re: PDF in Web Area not displaying on a Mac

[John Baughman via 4D_Tech]

David, 

I hear you. I am being a bit stubborn just because it should be working, it 
isn’t, and I want it to.

This is being deployed on windows and it is working just fine there. So no need 
to buy anything, but it’s annoying that it does not work on the Mac.

I think I am going to call TS and if they cannot make it work or see it as a 
bug, just drop it as a non issue. The end game is serving the PDFs to the web 
from 4D via a Xojo web app. I already have this working and deployed. Viewing 
the PDFs in 4D is primarily for administrative purposes by the database 
administrator on windows machines. I want the PDFs to display on the mac for 
use while I am working on new features.

John



> On Oct 18, 2017, at 10:55 PM, David Adams via 4D_Tech <4d_tech@lists.4d.com> 
> wrote:
> 
> John,
> 
> This all sounds very familiar & is why I went with Rob's viewer plug-in.
> 
> http://www.pluggers.nl/product/pdf-viewer/
> 
> This plug-in isn't crazy expensive like some of the PDF generating tools.
> (I think Rob faces high licensing costs of his own on those.)
> **
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Re: PDF in Web Area not displaying on a Mac

[John Baughman via 4D_Tech]

I think the problem may be High Sierra.

Enabling the Adobe PDF viewer in Safari High Sierra
> On Oct 18, 2017, at 10:46 PM, Sujit Shah via 4D_Tech <4d_tech@lists.4d.com> 
> wrote:
> 
> Try updating Adobe
> 
> 
> On Thu, 19 Oct 2017 at 7:43 pm, John Baughman via 4D_Tech <
> 4d_tech@lists.4d.com> wrote:
> 
>> R4
>> 
>>> On Oct 18, 2017, at 10:33 PM, Sujit Shah via 4D_Tech <
>> 4d_tech@lists.4d.com> wrote:
>>> 
>>> Which version of 4D?
>>> 
>>> On Thu, 19 Oct 2017 at 7:28 pm, John Baughman via 4D_Tech <
>>> 4d_tech@lists.4d.com> wrote:
>>> 
 Not running 64-bit so I don’t believe Blink is involved, but tried your
 suggestion. Still does not work. It loads a blank html or any html for
>> that
 matter, but not a pdf.
 
> On Oct 18, 2017, at 6:10 PM, Keisuke Miyako via 4D_Tech <
 4d_tech@lists.4d.com> wrote:
> 
> what if you load a blank HTML page first, and then switch over to PDF?
> 
>> Using Blink (Embedded Web rendering engine in 4D 64-bit versions)
>> • WA SET PAGE CONTENT: using this command requires that at least one
 page is already loaded in the area (through a call to  WA OPEN URL or an
 assignment to the URL variable associated to the area).
> 
> source
> 
> 
>> http://doc.4d.com/4Dv16R4/4D/16-R4/Web-areas.300-3330400.en.html#3199104
> 
> I know your situation doesn't quite match that of the documentation,
>> but
 worth a shot...
> 
>> 2017/10/19 10:33、John Baughman via 4D_Tech <4d_tech@lists.4d.com>
>> のメール：
>> Still not being displayed on a mac
> 
> 
> 
> **
> 4D Internet Users Group (4D iNUG)
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 John Baughman
 Kailua, Hawaii
 (808) 262-0328
 john...@hawaii.rr.com
 
 
 
 
 
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>>> 
>>> --
>>> 
>>> xxx
>>> "There must be ingenuity as well as intention, strategy as well as
>>> strength. "
>>> **
>>> 4D Internet Users Group (4D iNUG)
>>> FAQ:  http://lists.4d.com/faqnug.html
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>> 
>> John Baughman
>> Kailua, Hawaii
>> (808) 262-0328
>> john...@hawaii.rr.com
>> 
>> 
>> 
>> 
>> 
>> **
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> 
> -- 
> 
> xxx
> "There must be ingenuity as well as intention, strategy as well as
> strength. "
> **
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Re: PDF in Web Area not displaying on a Mac

[David Adams via 4D_Tech]

John,

This all sounds very familiar & is why I went with Rob's viewer plug-in.

http://www.pluggers.nl/product/pdf-viewer/

This plug-in isn't crazy expensive like some of the PDF generating tools.
(I think Rob faces high licensing costs of his own on those.)
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Re: PDF in Web Area not displaying on a Mac

[Sujit Shah via 4D_Tech]

Try updating Adobe


On Thu, 19 Oct 2017 at 7:43 pm, John Baughman via 4D_Tech <
4d_tech@lists.4d.com> wrote:

> R4
>
> > On Oct 18, 2017, at 10:33 PM, Sujit Shah via 4D_Tech <
> 4d_tech@lists.4d.com> wrote:
> >
> > Which version of 4D?
> >
> > On Thu, 19 Oct 2017 at 7:28 pm, John Baughman via 4D_Tech <
> > 4d_tech@lists.4d.com> wrote:
> >
> >> Not running 64-bit so I don’t believe Blink is involved, but tried your
> >> suggestion. Still does not work. It loads a blank html or any html for
> that
> >> matter, but not a pdf.
> >>
> >>> On Oct 18, 2017, at 6:10 PM, Keisuke Miyako via 4D_Tech <
> >> 4d_tech@lists.4d.com> wrote:
> >>>
> >>> what if you load a blank HTML page first, and then switch over to PDF?
> >>>
>  Using Blink (Embedded Web rendering engine in 4D 64-bit versions)
>  • WA SET PAGE CONTENT: using this command requires that at least one
> >> page is already loaded in the area (through a call to  WA OPEN URL or an
> >> assignment to the URL variable associated to the area).
> >>>
> >>> source
> >>>
> >>>
> http://doc.4d.com/4Dv16R4/4D/16-R4/Web-areas.300-3330400.en.html#3199104
> >>>
> >>> I know your situation doesn't quite match that of the documentation,
> but
> >> worth a shot...
> >>>
>  2017/10/19 10:33、John Baughman via 4D_Tech <4d_tech@lists.4d.com>
> のメール：
>  Still not being displayed on a mac
> >>>
> >>>
> >>>
> >>> **
> >>> 4D Internet Users Group (4D iNUG)
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> >>
> >> John Baughman
> >> Kailua, Hawaii
> >> (808) 262-0328
> >> john...@hawaii.rr.com
> >>
> >>
> >>
> >>
> >>
> >> **
> >> 4D Internet Users Group (4D iNUG)
> >> FAQ:  http://lists.4d.com/faqnug.html
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> >> **
> >
> > --
> >
> > xxx
> > "There must be ingenuity as well as intention, strategy as well as
> > strength. "
> > **
> > 4D Internet Users Group (4D iNUG)
> > FAQ:  http://lists.4d.com/faqnug.html
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>
> John Baughman
> Kailua, Hawaii
> (808) 262-0328
> john...@hawaii.rr.com
>
>
>
>
>
> **
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"There must be ingenuity as well as intention, strategy as well as
strength. "
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Re: PDF in Web Area not displaying on a Mac

[John Baughman via 4D_Tech]

Restarte the Mac.

I must not be doing it right as Safari continues to display using the Preview 
viewer and Firefox displays in Adobe Reader. I have 2 plugins...

AdobePDFViewer.plugin
AdobePDFFViewerNPAPI.plugin

This R4.

John






> On Oct 18, 2017, at 10:22 PM, Sujit Shah via 4D_Tech <4d_tech@lists.4d.com> 
> wrote:
> 
> That’s disappointing
> 
> Which version of 4D?
> 
> Is integrated web kit ticked?
> 
> I had a similar issue but don’t remember what fixed it.
> 
> 
> On Thu, 19 Oct 2017 at 7:11 pm, John Baughman via 4D_Tech <
> 4d_tech@lists.4d.com> wrote:
> 
>> I just checked and on my mac I did not have the adobe plug-in in the
>> User’s library  folder but it was in the System Library folder. I removed
>> it from the system library folder and the 4D Web Area still does not
>> display a pdf. Also tried putting it in the Users library to no avail.
>> 
>> 
>>> On Oct 18, 2017, at 9:01 PM, Ortwin Zillgen via 4D_Tech <
>> 4d_tech@lists.4d.com> wrote:
>>> 
>>> while Acrobat Reader was relevant on macOS, it planted itself as the
>> default PDF-viewer inside a WebBrowser. That didn't work well with 4D
>> webarea. As far as I remember at a place like this
>>> /Users/~/Library/Internet Plug-Ins/acrobatreader.plugin
>>> Removing the plugin allowed 4D to display PDFs in plain webarea.
>>> 
>>> On Windows it's the other way around. Acrobat Reader needs to be
>> installed, to allow 4D to display PDFs in webarea.
>>> 
>>> 
>>> 
>>> Regards
>>> O r t w i n  Z i l l g e n
>>> -
>>>    
>>>  
>>> member of developer-network 
>>> 
>>> **
>>> 4D Internet Users Group (4D iNUG)
>>> FAQ:  http://lists.4d.com/faqnug.html
>>> Archive:  http://lists.4d.com/archives.html
>>> Options: http://lists.4d.com/mailman/options/4d_tech
>>> Unsub:  mailto:4d_tech-unsubscr...@lists.4d.com
>>> **
>> 
>> John Baughman
>> Kailua, Hawaii
>> (808) 262-0328
>> john...@hawaii.rr.com
>> 
>> 
>> 
>> 
>> 
>> **
>> 4D Internet Users Group (4D iNUG)
>> FAQ:  http://lists.4d.com/faqnug.html
>> Archive:  http://lists.4d.com/archives.html
>> Options: http://lists.4d.com/mailman/options/4d_tech
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>> **
> 
> -- 
> 
> xxx
> "There must be ingenuity as well as intention, strategy as well as
> strength. "
> **
> 4D Internet Users Group (4D iNUG)
> FAQ:  http://lists.4d.com/faqnug.html
> Archive:  http://lists.4d.com/archives.html
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> **

John Baughman
Kailua, Hawaii
(808) 262-0328
john...@hawaii.rr.com





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Re: PDF in Web Area not displaying on a Mac

[John Baughman via 4D_Tech]

R4

> On Oct 18, 2017, at 10:33 PM, Sujit Shah via 4D_Tech <4d_tech@lists.4d.com> 
> wrote:
> 
> Which version of 4D?
> 
> On Thu, 19 Oct 2017 at 7:28 pm, John Baughman via 4D_Tech <
> 4d_tech@lists.4d.com> wrote:
> 
>> Not running 64-bit so I don’t believe Blink is involved, but tried your
>> suggestion. Still does not work. It loads a blank html or any html for that
>> matter, but not a pdf.
>> 
>>> On Oct 18, 2017, at 6:10 PM, Keisuke Miyako via 4D_Tech <
>> 4d_tech@lists.4d.com> wrote:
>>> 
>>> what if you load a blank HTML page first, and then switch over to PDF?
>>> 
 Using Blink (Embedded Web rendering engine in 4D 64-bit versions)
 • WA SET PAGE CONTENT: using this command requires that at least one
>> page is already loaded in the area (through a call to  WA OPEN URL or an
>> assignment to the URL variable associated to the area).
>>> 
>>> source
>>> 
>>> http://doc.4d.com/4Dv16R4/4D/16-R4/Web-areas.300-3330400.en.html#3199104
>>> 
>>> I know your situation doesn't quite match that of the documentation, but
>> worth a shot...
>>> 
 2017/10/19 10:33、John Baughman via 4D_Tech <4d_tech@lists.4d.com> のメール：
 Still not being displayed on a mac
>>> 
>>> 
>>> 
>>> **
>>> 4D Internet Users Group (4D iNUG)
>>> FAQ:  http://lists.4d.com/faqnug.html
>>> Archive:  http://lists.4d.com/archives.html
>>> Options: http://lists.4d.com/mailman/options/4d_tech
>>> Unsub:  mailto:4d_tech-unsubscr...@lists.4d.com
>>> **
>> 
>> John Baughman
>> Kailua, Hawaii
>> (808) 262-0328
>> john...@hawaii.rr.com
>> 
>> 
>> 
>> 
>> 
>> **
>> 4D Internet Users Group (4D iNUG)
>> FAQ:  http://lists.4d.com/faqnug.html
>> Archive:  http://lists.4d.com/archives.html
>> Options: http://lists.4d.com/mailman/options/4d_tech
>> Unsub:  mailto:4d_tech-unsubscr...@lists.4d.com
>> **
> 
> -- 
> 
> xxx
> "There must be ingenuity as well as intention, strategy as well as
> strength. "
> **
> 4D Internet Users Group (4D iNUG)
> FAQ:  http://lists.4d.com/faqnug.html
> Archive:  http://lists.4d.com/archives.html
> Options: http://lists.4d.com/mailman/options/4d_tech
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> **

John Baughman
Kailua, Hawaii
(808) 262-0328
john...@hawaii.rr.com





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Re: PDF in Web Area not displaying on a Mac

[Sujit Shah via 4D_Tech]

Which version of 4D?

On Thu, 19 Oct 2017 at 7:28 pm, John Baughman via 4D_Tech <
4d_tech@lists.4d.com> wrote:

> Not running 64-bit so I don’t believe Blink is involved, but tried your
> suggestion. Still does not work. It loads a blank html or any html for that
> matter, but not a pdf.
>
> > On Oct 18, 2017, at 6:10 PM, Keisuke Miyako via 4D_Tech <
> 4d_tech@lists.4d.com> wrote:
> >
> > what if you load a blank HTML page first, and then switch over to PDF?
> >
> >> Using Blink (Embedded Web rendering engine in 4D 64-bit versions)
> >> • WA SET PAGE CONTENT: using this command requires that at least one
> page is already loaded in the area (through a call to  WA OPEN URL or an
> assignment to the URL variable associated to the area).
> >
> > source
> >
> > http://doc.4d.com/4Dv16R4/4D/16-R4/Web-areas.300-3330400.en.html#3199104
> >
> > I know your situation doesn't quite match that of the documentation, but
> worth a shot...
> >
> >> 2017/10/19 10:33、John Baughman via 4D_Tech <4d_tech@lists.4d.com> のメール：
> >> Still not being displayed on a mac
> >
> >
> >
> > **
> > 4D Internet Users Group (4D iNUG)
> > FAQ:  http://lists.4d.com/faqnug.html
> > Archive:  http://lists.4d.com/archives.html
> > Options: http://lists.4d.com/mailman/options/4d_tech
> > Unsub:  mailto:4d_tech-unsubscr...@lists.4d.com
> > **
>
> John Baughman
> Kailua, Hawaii
> (808) 262-0328
> john...@hawaii.rr.com
>
>
>
>
>
> **
> 4D Internet Users Group (4D iNUG)
> FAQ:  http://lists.4d.com/faqnug.html
> Archive:  http://lists.4d.com/archives.html
> Options: http://lists.4d.com/mailman/options/4d_tech
> Unsub:  mailto:4d_tech-unsubscr...@lists.4d.com
> **

-- 

xxx
"There must be ingenuity as well as intention, strategy as well as
strength. "
**
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Re: PDF in Web Area not displaying on a Mac

[John Baughman via 4D_Tech]

Not running 64-bit so I don’t believe Blink is involved, but tried your 
suggestion. Still does not work. It loads a blank html or any html for that 
matter, but not a pdf.

> On Oct 18, 2017, at 6:10 PM, Keisuke Miyako via 4D_Tech 
> <4d_tech@lists.4d.com> wrote:
> 
> what if you load a blank HTML page first, and then switch over to PDF?
> 
>> Using Blink (Embedded Web rendering engine in 4D 64-bit versions)
>> • WA SET PAGE CONTENT: using this command requires that at least one page is 
>> already loaded in the area (through a call to  WA OPEN URL or an assignment 
>> to the URL variable associated to the area).
> 
> source
> 
> http://doc.4d.com/4Dv16R4/4D/16-R4/Web-areas.300-3330400.en.html#3199104
> 
> I know your situation doesn't quite match that of the documentation, but 
> worth a shot...
> 
>> 2017/10/19 10:33、John Baughman via 4D_Tech <4d_tech@lists.4d.com> のメール：
>> Still not being displayed on a mac
> 
> 
> 
> **
> 4D Internet Users Group (4D iNUG)
> FAQ:  http://lists.4d.com/faqnug.html
> Archive:  http://lists.4d.com/archives.html
> Options: http://lists.4d.com/mailman/options/4d_tech
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John Baughman
Kailua, Hawaii
(808) 262-0328
john...@hawaii.rr.com





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Re: PDF in Web Area not displaying on a Mac

[Sujit Shah via 4D_Tech]

That’s disappointing

Which version of 4D?

Is integrated web kit ticked?

I had a similar issue but don’t remember what fixed it.


On Thu, 19 Oct 2017 at 7:11 pm, John Baughman via 4D_Tech <
4d_tech@lists.4d.com> wrote:

> I just checked and on my mac I did not have the adobe plug-in in the
> User’s library  folder but it was in the System Library folder. I removed
> it from the system library folder and the 4D Web Area still does not
> display a pdf. Also tried putting it in the Users library to no avail.
>
>
> > On Oct 18, 2017, at 9:01 PM, Ortwin Zillgen via 4D_Tech <
> 4d_tech@lists.4d.com> wrote:
> >
> > while Acrobat Reader was relevant on macOS, it planted itself as the
> default PDF-viewer inside a WebBrowser. That didn't work well with 4D
> webarea. As far as I remember at a place like this
> > /Users/~/Library/Internet Plug-Ins/acrobatreader.plugin
> > Removing the plugin allowed 4D to display PDFs in plain webarea.
> >
> > On Windows it's the other way around. Acrobat Reader needs to be
> installed, to allow 4D to display PDFs in webarea.
> >
> >
> >
> > Regards
> > O r t w i n  Z i l l g e n
> > -
> >    
> >  
> > member of developer-network 
> >
> > **
> > 4D Internet Users Group (4D iNUG)
> > FAQ:  http://lists.4d.com/faqnug.html
> > Archive:  http://lists.4d.com/archives.html
> > Options: http://lists.4d.com/mailman/options/4d_tech
> > Unsub:  mailto:4d_tech-unsubscr...@lists.4d.com
> > **
>
> John Baughman
> Kailua, Hawaii
> (808) 262-0328
> john...@hawaii.rr.com
>
>
>
>
>
> **
> 4D Internet Users Group (4D iNUG)
> FAQ:  http://lists.4d.com/faqnug.html
> Archive:  http://lists.4d.com/archives.html
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-- 

xxx
"There must be ingenuity as well as intention, strategy as well as
strength. "
**
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Re: PDF in Web Area not displaying on a Mac

[John Baughman via 4D_Tech]

I just checked and on my mac I did not have the adobe plug-in in the User’s 
library  folder but it was in the System Library folder. I removed it from the 
system library folder and the 4D Web Area still does not display a pdf. Also 
tried putting it in the Users library to no avail.


> On Oct 18, 2017, at 9:01 PM, Ortwin Zillgen via 4D_Tech 
> <4d_tech@lists.4d.com> wrote:
> 
> while Acrobat Reader was relevant on macOS, it planted itself as the default 
> PDF-viewer inside a WebBrowser. That didn't work well with 4D webarea. As far 
> as I remember at a place like this
> /Users/~/Library/Internet Plug-Ins/acrobatreader.plugin
> Removing the plugin allowed 4D to display PDFs in plain webarea.
> 
> On Windows it's the other way around. Acrobat Reader needs to be installed, 
> to allow 4D to display PDFs in webarea.
> 
> 
> 
> Regards
> O r t w i n  Z i l l g e n
> -
>    
>  
> member of developer-network 
> 
> **
> 4D Internet Users Group (4D iNUG)
> FAQ:  http://lists.4d.com/faqnug.html
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> Options: http://lists.4d.com/mailman/options/4d_tech
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> **

John Baughman
Kailua, Hawaii
(808) 262-0328
john...@hawaii.rr.com





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Re: PDF in Web Area not displaying on a Mac

[Ortwin Zillgen via 4D_Tech]

while Acrobat Reader was relevant on macOS, it planted itself as the default 
PDF-viewer inside a WebBrowser. That didn't work well with 4D webarea. As far 
as I remember at a place like this
/Users/~/Library/Internet Plug-Ins/acrobatreader.plugin
Removing the plugin allowed 4D to display PDFs in plain webarea.

On Windows it's the other way around. Acrobat Reader needs to be installed, to 
allow 4D to display PDFs in webarea.



Regards
O r t w i n  Z i l l g e n
-
   
 
member of developer-network 

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