Controls how text and images will be displayed in the receiver.
The argument should be one of <code>LEFT</code>, <code>RIGHT</code>
or <code>CENTER</code>.
<p>
Note that due to a restriction on some platforms, the first column
is always left aligned.
</p>
@param alignment the new alignment
@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>
Controls how text and images will be displayed in the receiver. The argument should be one of <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code>. <p> Note that due to a restriction on some platforms, the first column is always left aligned. </p> @param alignment the new alignment
@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>