Returns the embedding level for the specified character offset. The
embedding level is usually used to determine the directionality of a
character in bidirectional text.
@param offset the character offset
@return the embedding level
@exception IllegalArgumentException <ul>
<li>ERROR_INVALID_ARGUMENT - if the character offset is out of range</li>
</ul>
@exception SWTException <ul>
<li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li>
Returns the embedding level for the specified character offset. The embedding level is usually used to determine the directionality of a character in bidirectional text.
@param offset the character offset @return the embedding level
@exception IllegalArgumentException <ul> <li>ERROR_INVALID_ARGUMENT - if the character offset is out of range</li> </ul> @exception SWTException <ul> <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li>