c# save image picturebox

save picturebox image to image file.

private void button6_Click(object sender, EventArgs e)
{
    string saveFolder = @"D:\temp";
    if (!System.IO.Directory.Exists(saveFolder))
        System.IO.Directory.CreateDirectory(saveFolder);
 
    pictureBox1.Image.Save(saveFolder + "\\test.png", System.Drawing.Imaging.ImageFormat.Png);
    pictureBox2.Image.Save(saveFolder + "\\test.jpg", System.Drawing.Imaging.ImageFormat.Jpeg);
}

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