📅  最后修改于: 2022-03-11 14:48:54.456000             🧑  作者: Mango
private void button1_Click(object sender, EventArgs e)
{
Image img = pictureBox1.Image;
img.RotateFlip(RotateFlipType.Rotate90FlipNone);
pictureBox1.Image = img;
}