C#显示相机实时画面

public partial class Form1 : Form
 {
 ICogAcqFifo mAcqFifo2;//定义一个相机对象
 private ICogFrameGrabber mFrameGrabber = null;//
 List<String> videoFormat = new List<String> ();//相机信息列表
 public Form1 ()
 {
 InitializeComponent ();
 }
private void button1_Click ( object sender, EventArgs e )
 {
 MessageBox.Show ( videoFormat.Count.ToString () );//已连接相机数量

}

private void button2_Click ( object sender, EventArgs e )
 {
 CogFrameGrabberGigEs mfr2 = new CogFrameGrabberGigEs ();//取得相机列表
 ICogFrameGrabber gbm2 = mfr2[0];//取第一个相机，第二个相机依次增加
 mAcqFifo2 = gbm2.CreateAcqFifo ( gbm2.AvailableVideoFormats[0],
 CogAcqFifoPixelFormatConstants.Format8Grey, 0, true );//初始化相机
 cogRecordDisplay1.StartLiveDisplay ( mAcqFifo2, false );//控件绑定相机并显示画面

}

private void Form1_Load ( object sender, EventArgs e )
 {
 
 CogFrameGrabberGigEs mframe = new CogFrameGrabberGigEs();
 if (mframe.Count < 1)
 {
 MessageBox.Show("没有找到相机设备！");
 }
//遍历已连接相机信息，并添加进列表里（相机名，序列号，模式）
for (int i = 0; i < mframe.Count; i++)
 {
 mFrameGrabber = mframe[i];
 MessageBox.Show(mFrameGrabber.Name + mFrameGrabber.SerialNumber + mFrameGrabber.AvailableVideoFormats[0]);
 videoFormat.Add(mFrameGrabber.Name + mFrameGrabber.SerialNumber+mFrameGrabber.AvailableVideoFormats[0]);
 } 
 }
 }