ZZ>
  > What's the proper syntax for using the RexxUtil function
  > RxMessageBox?
ZZ>

  As given.

ZZ>
  > If RxMessageBox("Shall we continue",, "YesNo",
"Query") = 7
ZZ>

  Works on my machine.  You need to use PMREXX to run it from a PM program
  of course, otherwise you get an "incorrect call to function" error.

  You have done

       call RxFuncAdd 'RxMessageBox', 'REXXUtil', 'RxMessageBox'

  at the start of your program, haven't you ?

  > JdeBP <
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