The widget text for an item is the label of the
item or the label of the text specified by a column
number.
@param index the column number
@param text the new text
@exception SWTException <ul>
<li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li>
<li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li>
</ul>
Sets the widget text. <p>
The widget text for an item is the label of the item or the label of the text specified by a column number.
@param index the column number @param text the new text
@exception SWTException <ul> <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> </ul>