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Sending messages between 32 & 64 bit applications
  1. Issue
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  1. Yakov Werde
  2. PowerBuilder
  3. Wednesday, 26 July 2017 02:00 AM UTC

We have some 32 bit external function code that can't be ported to 64 bit.  We build a separate application that wraps that logic.  We are using TopWiz Computing's RunAndWait logic to lauch the 32 bit code from the 64 bit app (works like a charm)

In the past I have done something like this to call a Window custom01 event on an PB program

wm_user = 1024 is mapped to pbm_custom01

SendMessage( Handle of Window, Event Number, wordparm, longparm)

Wondering, Can I use this to call a custom01 event window in a different bitness application?  Or this handle bit specific.

PB has the longptr type.  Might this code work across bitnesses?

Do I need to be admin on my computer to migrate from 12.5 to... datawindow error while migrating to PB2017
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