//获取到图片的线程操作
private void getImageThread()
{
MyInvoke mi = new MyInvoke(updateButton); //窗体控件的线程间安全调用
MemoryStream ms; //内存区域的流，用来读取截图
string[] feedbackimgs = new string[4];
arr = sftp.GetFeedbackList("/root/feedbackimg", filename + "@" + num);
for (int i = 0; i < arr.Count; i++)
{
ms = new MemoryStream(sftp.Get("/root/feedbackimg/" + arr[i]));
images[i] = Image.FromStream(ms);
progressbar = progressbar + 18;
}
pictureBox1.Image = images[0];
pictureBox2.Image = images[1];
pictureBox3.Image = images[2];
pictureBox4.Image = images[3];
this.BeginInvoke(mi, new Object[] { filename });
progressbar = 100;
}
