Return the tab that is located at the specified index.
@param index the index of the tab item
@return the item at the specified index
@exception IllegalArgumentException <ul>
<li>ERROR_INVALID_RANGE - if the index is out of range</li>
</ul>
@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>
Return the tab that is located at the specified index.
@param index the index of the tab item @return the item at the specified index
@exception IllegalArgumentException <ul> <li>ERROR_INVALID_RANGE - if the index is out of range</li> </ul> @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>