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Can I disable visibility regions from a subroutine?

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Last Post by rgavrilles 10 years ago

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schung

(@schung)

Posts: 33

Trusted Member

Topic starter

Hi there,

I am coming from VBA background and have a very simple question for you guys.

I would like to make a visibility region visible/invisible by calling it from code. Is it possible to do that in VFE? Please advise!

Thanks

Simon

Posted : August 5, 2014 11:23 am

chaddix

(@chaddix)

Posts: 177

Estimable Member

If I understand what you're asking, the answer is yes. Let's say you have a visibility region that you only want to appear when the patient is > age 18. One exception...if the user clicks a button that says "Hide additional questions", this visibility region disappears. You can accomplish this with a document variable (DOCUMENT.HIDE) that has no value when the form is launched.

Code for Visibility Region

{PATIENT._AGEINMONTHS => 216 AND DOCUMENT.HIDE <> "HIDE"}

Code when button is clicked

{DOCUMENT.HIDE = "HIDE"}

Posted : August 5, 2014 10:28 pm

schung

(@schung)

Posts: 33

Trusted Member

Topic starter

Hi Chaddix,

Thanks for your help! I have a couple more questions related to this...

If my visibility region is called "PersistentAsthma", should the codes be:

To make that appear on the screen (When the form is launched)

{Document.PersistenAsthma.HIDE = ""}

To make that disappear on the screen

{Document.PersistenAsthma.HIDE = "HIDE"}

Thanks again for your help,

Simon

Posted : August 6, 2014 12:43 am

chaddix

(@chaddix)

Posts: 177

Estimable Member

Unless I am mistaken, visibility regions don't have names. You create a visibility region, objects reside in the visibility region, and whether or not these fields are visible is dependent on the rules you set up within your visibility region.

Are you using VFE or EFE to create this form?

Posted : August 6, 2014 1:52 am

schung

(@schung)

Posts: 33

Trusted Member

Topic starter

I am using VFE to create the form.

Should the text in the "label" be their names?

I have a few visibility regions on the form, can they be set visible/invisible separately by using the code ? {DOCUMENT.HIDE = "HIDE"}

Thanks a lot,

Simon

Posted : August 6, 2014 2:18 am

mikeseale

(@mikeseale)

Posts: 344

Reputable Member

Visibility regions are only if statements. So, hiding and showing what is contained within the visibility region is based solely on the if statement. So, you would need to put the following in your visibility region:

DOCUMENT.PersistenAsthma <> "HIDE"

Now, whenever DOCUMENT.PersistenAsthma is equal to HIDE, it will hide everything in it. You cannot use DOCUMENT.PersistenAsthma.HIDE, because document variables are just strings and do not have any attributes.

Posted : August 6, 2014 2:20 am

schung

(@schung)

Posts: 33

Trusted Member

Topic starter

It works!! 🙂

Thanks a lot for all of your helps!!

Have a nice day

Simon

Posted : August 6, 2014 2:59 am

schung

(@schung)

Posts: 33

Trusted Member

Topic starter

Hi everyone,

I have one more question related to this...

I would like to detect if an visibility region is enabled or not by running this if statement.

if {Document.PersistenAsthma<>"HIDE"} Then

//do the followings

End if

It always thinks that the visibility region is enabled.

Can someone tell me what is the problem? Thanks for your time!

Simon

Posted : August 7, 2014 3:46 am

mikeseale

(@mikeseale)

Posts: 344

Reputable Member

If you're putting this in the code section on the right (in VFE anyway), just use this:

if DOCUMENT.PersistenAsthma <> "HIDE" then

//do stuff

endif

Posted : August 7, 2014 4:33 am

schung

(@schung)

Posts: 33

Trusted Member

Topic starter

Hi everyone,

I am running my form with the code listed above and still having this problem. The code always thinks that the visibility region is enabled. Anyone has any suggestions? Please help!

Thanks

Simon

Posted : August 12, 2014 4:00 am

mikeseale

(@mikeseale)

Posts: 344

Reputable Member

What determines the value of DOCUMENT.PersistenAsthma? Are you able to show and hide the visibility region within the form?

Also, it may be helpful to upload your form so we can take a look and help you out some more. There might be other things happening that are keeping this from working.

Posted : August 12, 2014 5:46 am

schung

(@schung)

Posts: 33

Trusted Member

Topic starter

I am able to show and hide the V.R.

The program is not able to determine if the V.R. is hidden or not.

The code that I use is the following.

If DOCUMENT.PersistenAsthma <> "HIDE" then

//do stuff

endif

Posted : August 13, 2014 3:14 am

chaddix

(@chaddix)

Posts: 177

Estimable Member

schung said:

I am able to show and hide the V.R.

The program is not able to determine if the V.R. is hidden or not.

The code that I use is the following.

If DOCUMENT.PersistenAsthma <> "HIDE" then
//do stuff
endif
 

I don't see anything wrong with this MEL. I have to ask however...are you consistent with your variable name? In the third message in the thread, you referred to DOCUMENT.PERSISTENTASTHMA...all subsequent messages were missing the T and the variable was DOCUMENT.PERSISTENASTHMA.

I'm throwing it out there because a good chunk of my MEL "errors" are simply mis-typing.

Posted : August 13, 2014 4:37 am

schung

(@schung)

Posts: 33

Trusted Member

Topic starter

That is just a typo. My fault! 🙂

I have it spelled correctly in my code.

Posted : August 13, 2014 7:39 am

chaddix

(@chaddix)

Posts: 177

Estimable Member

schung said:

That is just a typo. My fault! 🙂

I have it spelled correctly in my code.

Worth a shot!

If you upload your form, someone here could probably take a look at it and help figure out what is going on.

Posted : August 13, 2014 7:58 am

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