C# OpenFileDialog 选择本地文件

 private void button1_Click(object sender, EventArgs e)
 {
     OpenFileDialog ofd = new OpenFileDialog();
     //选择图片(*.png,*.jpg,*.gft) 是title提示
     //*.png;*.jpg;*.gft; 是你要过滤的类型
     ofd.Filter = "选择图片(*.png,*.jpg,*.gft)|*.png;*.jpg;*.gft;|选择文本(*.txt)|*.txt|选择文档(*.doc)|*.doc";
     DialogResult result = ofd.ShowDialog();
     if (result == DialogResult.OK) //用户选择了图片
     {
         this.label1.Text = ofd.FileName; //文件所在地址
         //将图片显示在pictureBox1控件中
         this.pictureBox1.Image = Image.FromFile(ofd.FileName);
     }
 }