>First, here is some backgound.  I am trying to simulate colour changes to
>a picture under conditions chosen in a dialog window.  A rotation angle
>and a tilt angle are selected and the simulation starts.  It would be
>useful to display those angles while the simulation is proceeding.  While
>trying to achieve this, I have encountered the following problem.
>
>Prior to trying to display the angular information, I have been
>successfully opening a window for display, drawing the picture in its
>original colours in an offscreen window and then bringing it back to the
>screen window and animating the colours.  After failing to display the
>angular data, I tried to open an additional window and use it to
>display that information.  I found that I could display integer
>variables but not string variables, even though they were all declared to
>be global.
>Puzzled by this I moved my temporary window down to the end of the
>program, after simulation had been completed and the main window closed.
>I could now print both string and integer variables, confirming they the
>string variables had not disappeared.
>
>To me, this is odd.  I would appreciate any light that can be thrown
>on it.
>
>Vic Maslen


Are you using a LOCAL FN to return a string variable ?
If so, use this form:

LOCAL FN ReturnString$(param1, param2, etc.)  'Note the '$' in the FN name.
'do stuff
END FN = myString$

myString$ = FN ReturnString$    'Again, note the '$' in the function name.


Sylvain