Returns the width that will be used when drawing lines
for all of the figure drawing operations (that is,
<code>drawLine</code>, <code>drawRectangle</code>,
<code>drawPolyline</code>, and so forth.
@return the receiver's line width
@exception SWTException <ul>
<li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li>
</ul>
Returns the width that will be used when drawing lines for all of the figure drawing operations (that is, <code>drawLine</code>, <code>drawRectangle</code>, <code>drawPolyline</code>, and so forth.
@return the receiver's line width
@exception SWTException <ul> <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> </ul>