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using (System.Drawing.Image bitmap = System.Drawing.Image.FromFile(@"D://大图.jpg"))
{
using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bitmap))
{
using (System.Drawing.Image copyImage = System.Drawing.Image.FromFile(@"D://小图.png"))
{
g.DrawImage(copyImage, new Rectangle(bitmap.Width - copyImage.Width, bitmap.Height - copyImage.Height, copyImage.Width, copyImage.Height), 0, 0, copyImage.Width, copyImage.Height, GraphicsUnit.Pixel);
}
bitmap.Save(@"D:/", System.Drawing.Imaging.ImageFormat.Jpeg);
}
}