Causes the receiver to be resized to its preferred size.
For a composite, this involves computing the preferred size
from its layout, if there is one.
@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>
Causes the receiver to be resized to its preferred size. For a composite, this involves computing the preferred size from its layout, if there is one.
@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>
@see #computeSize(int, int, bool)