Is there a function like FillRect to fill an elipse with WM_Paint?

I can use FillRect function to fill a square but cant figure out how to fill an elipse.

this one?
i just googled for ellipse and for winapi, then i saw the msdn link and clicked it. looks right imo:
http://msdn.microsoft.com/en-us/library/windows/desktop/dd162510(v=vs.85).aspx

Nope need to fill ellipse

The Ellipse function draws an ellipse. The center of the ellipse is the center of the specified bounding rectangle. The ellipse is outlined by using the current pen and is filled by using the current brush.

yep but how

Continue searching in the documentation and you may (evidently) find a resource on Using Filled Shapes