If the receiver's user-interface thread was <code>sleep</code>ing,
causes it to be awakened and start running again. Note that this
method may be called from any thread.
@exception SWTException <ul>
<li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li>
</ul>
If the receiver's user-interface thread was <code>sleep</code>ing, causes it to be awakened and start running again. Note that this method may be called from any thread.
@exception SWTException <ul> <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> </ul>
@see #sleep