winfrom 实现窗体圆角

小程序：扫一扫查出行
【扫一扫了解最新限行尾号】
复制小程序

在窗体中加入一下代码

   #region 窗体圆角的实现

        private void ComFrmBase_Resize(object sender, EventArgs e)

        {

            if (this.WindowState == FormWindowState.Normal)

            {

                SetWindowRegion();

            }

            else

            {

                this.Region = null;

            }

        }

        public void SetWindowRegion()

        {

            System.Drawing.Drawing2D.GraphicsPath FormPath;

            FormPath = new System.Drawing.Drawing2D.GraphicsPath();

            Rectangle rect = new Rectangle(, , this.Width, this.Height);

            FormPath = GetRoundedRectPath(rect, );

            this.Region = new Region(FormPath);

        }

        /// <summary>

        ///

        /// </summary>

        /// <param name="rect">窗体大小</param>

        /// <param name="radius">圆角大小</param>

        /// <returns></returns>

        private GraphicsPath GetRoundedRectPath(Rectangle rect, int radius)

        {

            int diameter = radius;

            Rectangle arcRect = new Rectangle(rect.Location, new Size(diameter, diameter));

            GraphicsPath path = new GraphicsPath();

            path.AddArc(arcRect, , );//左上角

            arcRect.X = rect.Right - diameter;//右上角

            path.AddArc(arcRect, , );

            arcRect.Y = rect.Bottom - diameter;// 右下角

            path.AddArc(arcRect, , );

            arcRect.X = rect.Left;// 左下角

            path.AddArc(arcRect, , );

            path.CloseFigure();

            return path;

        }

        #endregion