如何使用GDI+在picturebox控件上面绘画
比如，在picturebox控件上画个矩形。

[解决办法]

C# code

        private void pictureBox1_Paint(object sender, PaintEventArgs e)        {            e.Graphics.FillRectangle(Brushes.Red, 0, 0, 100, 100);        }
[解决办法]
探讨

C# code


        private void pictureBox1_Paint(object sender, PaintEventArgs e)
        {
            e.Graphics.FillRectangle(Brushes.Red, 0, 0, 100, 100);

        }