CrossImage图片翻转并显示

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Linq;
using System.Windows.Forms;

namespace CrossImage
{
public partial class Frm_Main : Form
{
public Frm_Main()
{
InitializeComponent();
}

private void button1_Click(object sender, EventArgs e)
{
//设置文件的类型
openFileDialog1.Filter = "*.jpg,*.jpeg,*.bmp,*.gif,*.ico,*.png,*.tif,*.wmf|*.jpg;*.jpeg;*.bmp;*.gif;*.ico;*.png;*.tif;*.wmf";
openFileDialog1.ShowDialog(); //打开文件对话框
Image myImage = System.Drawing.Image.FromFile(openFileDialog1.FileName); //根据文件的路径实例化Image类
pictureBox1.Image = myImage; //显示打开的图片
}

private void button2_Click(object sender, EventArgs e)
{
Image myImage = pictureBox1.Image;//实例化Image
myImage.RotateFlip(RotateFlipType.Rotate180FlipX); //调用RotateFlip方法实现图形翻转
pictureBox1.Image = myImage; //显示旋转后的图片
}
}
}