How to round an image in a picturebox?

Question

C++ / C#

How to round an image in a picturebox ?

Answer 1

System.Drawing.Drawing2D.GraphicsPath gp = new System.Drawing.Drawing2D.GraphicsPath();
            gp.AddEllipse(0, 0, pictureBox1.Width - 3, pictureBox1.Height - 3);
            Region rg = new Region(gp);
            pictureBox1.Region = rg; //pictureBox1 - ваш бокс

write in form constructor