Returns <code>true</code> if the underlying operating
system supports this reparenting, otherwise <code>false</code>
@return <code>true</code> if the widget can be reparented, otherwise <code>false</code>
@exception SWTException <ul>
<li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
<li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
</ul>
Returns <code>true</code> if the underlying operating system supports this reparenting, otherwise <code>false</code>
@return <code>true</code> if the widget can be reparented, otherwise <code>false</code>
@exception SWTException <ul> <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> </ul>