🚀 go-pugleaf

"Dennis Jones" <nospam@nospam.com> wrote in message
news:44024219$1@newsgroups.borland.com...
>
> Now, if you still want to send a message to the
> other instance, *maybe* (I don't know for sure -- I've never done it
myself)
> you need to send the message to the application's main window as opposed
to
> the main form...

Forget that -- it isn't necessary.  The main form handle is the one that
receives the message.  I just created a sample application, and it does
indeed receive the WM_COPYDATA message, and the SendMessage call does not
return until processing completes on the receiver.

Here's one thing you might not be aware of -- if you are doing this in the
IDE and trying to step through the code of the sending application, if you
have a design-time form/unit open in the IDE that matches the criteria of
the FindWindow call (your main form in this case), the design-time window
will receive the message instead of the other executing instance of your
application!  So, when you are testing from the IDE, close the design-time
main form and its associated CPP file.  Other than that, your current code
should work fine.

- Dennis