Sets the line spacing of the widget. The line spacing applies for all lines.
@param lineSpacing the line spacing
@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 3.2
Sets the line spacing of the widget. The line spacing applies for all lines.
@param lineSpacing the line spacing @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 3.2