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 FileMaker Pro Custom Functions

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VisiblePortalRows ( objName ; portalName )

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  Average rating: 4.2  (39 votes)
  Discuss this Custom Function

Fabrice Nordmann, 1-more-thing
http://www.1-more-thing.com

Returns a list of visible row numbers of a portal

Sample Input:
VisiblePortalRows ( aField ; aPortal )
Sample Output:
4¶5¶6¶7¶8 if user scrolled down to row number 4 and the portal is displaying 5 rows.


 Then copy & paste into FileMaker Advanced's Edit Custom Function window.

Description:

No matter where the user scrolled, this function lets you know exactly what rows are visible.
The Objname parameter means you'll need to have a named object in the portal rows. The portal also has to be named.

FileMaker 8.5 required.

Note: these functions are not guaranteed or supported by BrianDunning.com. Please contact the individual developer with any questions or problems.

This is my Custom Function and I want to edit it

Discuss:

Great Custom Function, but I felt the chance for recursion failure due to missing object names really needed an explicit test and escape prior to running recursion. So I added the following lines to my version, perhaps this comment will help anyone else do it without having to re-invent this:

Case (
// Test for valid Object names
PatternCount ( LayoutObjectNames ( Get ( FileName ) ; Get ( LayoutName ) ) & ¶ ; objName & ¶ ) <= 0 ; "objName missing" ;
PatternCount ( LayoutObjectNames ( Get ( FileName ) ; Get ( LayoutName ) ) & ¶ ; portalName & ¶ ) <= 0 ; "portalName missing" ;
// Object names Exist, continue

... Continue existing Let () and add and ending ")" to close the above Case.

Jonathan Mickelson, Los Angeles
August 18, 2009 6:06pm

Doesn't seem to work with FM12, getting a "?"
Worked great with FM11

silba, Chicago
January 28, 2013 1:42pm

if you get a "?" try giving a object within the portal a name, that solved the problem for me on a similar portal Row Count CF

justin, Riverview NB
November 26, 2013 6:39pm

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