public void DrawPie(Pen pen, RectangleF rect, float startAngle, float sweepAngle) { if (pen == null) throw new ArgumentNullException ("pen"); DrawPie (pen, rect.X, rect.Y, rect.Width, rect.Height, startAngle, sweepAngle); }
private void buttonPie_Click(object sender, System.EventArgs e) { ReloadImage(); System.Drawing.Graphics g = imageXView1.Image.GetGraphics(); g.DrawPie(System.Drawing.Pens.Honeydew, 0, 0, 50, 50, 50, 270); imageXView1.Image.ReleaseGraphics(true); }