+---------------------------------+
|            WVISIBLE             |
+---------------------------------+
WVISIBLE(<window name>)

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Returns true if window has been activated and is not hidden.
Return value - Logical
-----------------------------------

<window name>
        Name of window.  If the null string is included, a logical true is
always returned.  The null string represents the screen (desktop) in
window functions.  If you include the name of a window that does not
exist, false is returned.

+---------------------------------+
|         Program Example         |
+---------------------------------+
DEFINE WINDOW screen1 FROM 10,10 TO 20,69 CLOSE FLOAT
DEFINE WINDOW screen2 FROM 0,0   TO 19,79 CLOSE FLOAT
ACTIVATE WINDOW screen1
ACTIVATE WINDOW screen2
* <commands follow that allow user to close output windows>
* If the window has been closed, it no longer exists
IF NOT WEXIST('screen1')
        DEFINE WINDOW screen1 FROM 10,10 TO 20,69 CLOSE FLOAT
ENDIF
* If the window has just been hidden
IF NOT WVISIBLE('screen1')
        ACTIVATE WINDOW screen1
ENDIF

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See Also:  ACTIVATE WINDOW, DEFINE WINDOW, WEXIST(), WLAST(), WONTOP(),
WOUTPUT()

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