DrawEllipse DrawEllipse(Pen, RectangleF) public void DrawEllipse ( Pen Pen , RectangleF rect ) 也可以看看 class Pen struct......DrawEllipse(Pen, RectangleF) public void DrawEllipse ( Pen pen , RectangleF...RectangleF rect ) 也可以看看 class Pen struct RectangleF class Graphics...