Shows the column. If the column is already showing in the receiver,
this method simply returns. Otherwise, the columns are scrolled until
the column is visible.
@param column the column to be shown
@exception IllegalArgumentException <ul>
<li>ERROR_NULL_ARGUMENT - if the column is null</li>
<li>ERROR_INVALID_ARGUMENT - if the column has been disposed</li>
</ul>
@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>
Shows the column. If the column is already showing in the receiver, this method simply returns. Otherwise, the columns are scrolled until the column is visible.
@param column the column to be shown
@exception IllegalArgumentException <ul> <li>ERROR_NULL_ARGUMENT - if the column is null</li> <li>ERROR_INVALID_ARGUMENT - if the column has been disposed</li> </ul> @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>
@since 3.0