1. Tracy Lamb
  2. PowerBuilder
  3. Friday, 10 June 2022 21:01 PM UTC

Hi all,

I'm still reworking a bunch of old code.  Just wondering, why use a Datastore instead of an invisible Datawindow on the window?

~~~Tracy

 

Accepted Answer
Chris Pollach @Appeon Accepted Answer Pending Moderation
  1. Friday, 10 June 2022 21:22 PM UTC
  2. PowerBuilder
  3. # Permalink

Hi Tracy;

  The DW Control based DWO consumes MS-Windows control blocks (aka GDI resources [handles] that have to be allocated, managed & then destroyed). A DataStore only requires one handle for the entire DWO and all of it's controls. So basically its a "resource & performance thingy!  ;-)

HTH

Regards ... Chris

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  1. Tracy Lamb
  2. Friday, 10 June 2022 21:28 PM UTC
thanks Chris. Maintenance is a little easier with invisible datawindows, but makes sense to use datastores to be more "machine friendly".

~~~Tracy
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Olan Knight Accepted Answer Pending Moderation
  1. Friday, 10 June 2022 22:01 PM UTC
  2. PowerBuilder
  3. # 1

The other thing is that on a non-visual object you cannot use a DW, but a DS will work.

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