Causes the entire bounds of the receiver to be marked
as needing to be redrawn. The next time a paint request
is processed, the control will be completely painted,
including the background.
@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 entire bounds of the receiver to be marked as needing to be redrawn. The next time a paint request is processed, the control will be completely painted, including the background.
@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 #update() @see PaintListener @see SWT#Paint @see SWT#NO_BACKGROUND @see SWT#NO_REDRAW_RESIZE @see SWT#NO_MERGE_PAINTS @see SWT#DOUBLE_BUFFERED