Fills the interior of the specified rectangle, using the receiver's
background color.
@param rect the rectangle to be filled
@exception IllegalArgumentException <ul>
<li>ERROR_NULL_ARGUMENT - if the rectangle is null</li>
</ul>
@exception SWTException <ul>
<li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li>
</ul>
Fills the interior of the specified rectangle, using the receiver's background color.
@param rect the rectangle to be filled
@exception IllegalArgumentException <ul> <li>ERROR_NULL_ARGUMENT - if the rectangle is null</li> </ul> @exception SWTException <ul> <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> </ul>
@see #drawRectangle(int, int, int, int)