Returns the item at the given, zero-relative index in the
receiver. Throws an exception if the index is out of range.
@param index the index of the item to return
@return the item at the given index
@exception IllegalArgumentException <ul>
<li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</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>
Returns the item at the given, zero-relative index in the receiver. Throws an exception if the index is out of range.
@param index the index of the item to return @return the item at the given index
@exception IllegalArgumentException <ul> <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</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 3.1