Returns a runnable that will print the widget's text
to the specified printer.
<p>
The runnable may be run in a non-UI thread.
</p>
@param printer the printer to print to
@param options print options to use during printing
@return a <code>Runnable</code> for printing the receiver's text
@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>
@exception IllegalArgumentException <ul>
<li>ERROR_NULL_ARGUMENT when printer or options is null</li>
</ul>
@since 2.1
Returns a runnable that will print the widget's text to the specified printer. <p> The runnable may be run in a non-UI thread. </p>
@param printer the printer to print to @param options print options to use during printing
@return a <code>Runnable</code> for printing the receiver's text
@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> @exception IllegalArgumentException <ul> <li>ERROR_NULL_ARGUMENT when printer or options is null</li> </ul> @since 2.1