Re: Cluster to array of variants

[<Dou...@mk...>]

Jean-Pierre, using Variant to Data to convert a cluster to an array of
variants does not work in LabVIEW 6.1; the array of variants that is
returned is empty.

I also tried converting an array of variants to a cluster (see below).  One
can use Variant to Data (in LabVIEW 7.1x) only if the original cluster can
be converted to an array.  First I tried wiring the array of variants to
the "Variant" connector and the original cluster used to generate the array
of variants to the "type" connector, but LabVIEW did not like that.  If the
original cluster can be converted to an array, though, converting the
cluster to an array and then wiring that to the "Type" connector is
something LabVIEW will accept, the resulting array being convertible back
to a cluster.

Code well and prosper!  Doug

(Embedded image moved to file: pic11777.pcx)



|---------+--------------------------------------------------->
|         |           Jean-Pierre Drolet                      |
|         |           <jea...@tr...>     |
|         |           Sent by:                                |
|         |           ope...@li...ur|
|         |           ceforge.net                             |
|         |                                                   |
|         |                                                   |
|         |           06/09/2005 10:17 PM                     |
|         |           Please respond to                       |
|         |           opengtoolkit-developers                 |
|         |                                                   |
|---------+--------------------------------------------------->
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  |       To:       ope...@li...                                |
  |       cc:                                                                                    |
  |       Subject:  Cluster to array of variants                                                 |
  >----------------------------------------------------------------------------------------------|




Hi,
I have just found in LV7.1 that you can convert a cluster to an array of
variants simply using Variant to Data. That is probably much more
efficient than the way it is actually done in lvdata, e.g. parsing thru
flat data and TD.

Can someone check if it is doable in LV6 (version used to develop lvdata)?

I did not figure yet if there is an easier way to convert an array of
variants to a cluster.

Jean-Pierre



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