TRONG> object is on the 
    <CODE>MGCNLT_ACTIVE_LIST</CODE> and 
    <CODE>GAGCNLT_VIEWER_NOTIFICATIONS</CODE> 
    notification lists.  The FileOpenControl, like most controllers 
    needs to be on these lists to get certain system notifications.</LI>
<LI>Add <STRONG>FileOpenControl</STRONG> to the application's UI tree.
    Typically, the <STRONG>FileOpenControl</STRONG> is the child of 
    the application's primary window.</LI>
<LI>Fix overloaded button slots.
    Usually, a <STRONG>FileOpenControl</S