PictureBoxで線を描く方法

PictureBoxで線を描く方法
VB.NET

Dim canvas As New Bitmap(PictureBox1.Width, PictureBox1.Height)

Dim g As Graphics = Graphics.FromImage(canvas)

g.DrawLine(Pens.Black, 10, 20, 100, 200)

g.Dispose()

PictureBox1.Image = canvas

Dim canvas As New Bitmap(PictureBox1.Width, PictureBox1.Height)

Dim g As Graphics = Graphics.FromImage(canvas)

Dim ps As Point() = { _
    New Point(0, 0), _
    New Point(150, 50), _
    New Point(80, 100), _
    New Point(100, 150) _
}

g.DrawLines(Pens.Black, ps)

g.Dispose()

PictureBox1.Image = canvas

C#

Bitmap canvas = new Bitmap(PictureBox1.Width, PictureBox1.Height);

Graphics g = Graphics.FromImage(canvas);

g.DrawLine(Pens.Black, 10, 20, 100, 200);

g.Dispose();

PictureBox1.Image = canvas;

Bitmap canvas = new Bitmap(PictureBox1.Width, PictureBox1.Height);

Graphics g = Graphics.FromImage(canvas);

Point[] ps = {
                 new Point(0, 0),
                 new Point(150, 50),
                 new Point(80, 100),
                 new Point(100, 150)
             };

g.DrawLines(Pens.Black, ps);

g.Dispose();

PictureBox1.Image = canvas;