TRONG> will show additional
    triggers when it's displaying a subdirectory.  For instance, 
    it brings up a "Close" trigger.</LI>
 <P>An application might have some triggers in the same window that 
    contains the <STRONG>FileOpenControl</STRONG>.  For instance, 
    there might be a "Close" trigger to exit the application.  This 
    can lead to overlaps when the <STRONG>FileOpenControl</STRONG> 
    tries to put its own triggers in the occupied slots.  To work 
    around this, intercept <CODE>MSG_