C#再windowForm窗体中绘画扇形并给其填充颜色

 Graphics graphics = this.CreateGraphics();
            graphics.SmoothingMode = SmoothingMode.AntiAlias;
            int width = this.Width;
            int height = this.Height;
            h = this.Height;
            w = this.Width;
            Rectangle rct = new Rectangle(0 - h / 6, 0 - h / 6, h / 2, h / 2);

            Brush brush = new SolidBrush(Color.Green);
            Brush brush1 = new SolidBrush(Color.White);

            graphics.FillPie(brush1, rct, 0, 90);//填充扇形;
            graphics.FillPie(brush, rct, 0, 45);//填充扇形;

效果图