Winform窗体圆角设计代码

  private void BeautiLoginForm_Paint(object sender, PaintEventArgs e)  {   Type(this, 25, 0.1);  }  private void Type(Control sender, int p_1, double p_2)  {   GraphicsPath oPath = new GraphicsPath();   oPath.AddClosedCurve(new Point[] {    new Point(0, sender.Height / p_1),    new Point(sender.Width / p_1, 0),    new Point(sender.Width - sender.Width / p_1, 0),    new Point(sender.Width, sender.Height / p_1),    new Point(sender.Width, sender.Height - sender.Height / p_1),    new Point(sender.Width - sender.Width / p_1, sender.Height),    new Point(sender.Width / p_1, sender.Height),    new Point(0, sender.Height - sender.Height / p_1) }, (float)p_2);   sender.Region = new Region(oPath);  }  private void BeautiLoginForm_Resize(object sender, EventArgs e)  {   Type(this, 25, 0.1);  }