C# +Basler

using Basler.Pylon;
using System;
using System.Drawing;
using System.Drawing.Imaging;
namespace CameraForms
{
public class baslerCamcs
{
//相机连接的个数
public int CameraNumber = CameraFinder.Enumerate().Count;

//委托+事件 = 回调函数，用于传递相机抓取的图像
public delegate void CameraImage(Bitmap bmp);
public event CameraImage CameraImageEvent;

//放出一个Camera
Camera camera;

//basler里用于将相机采集的图像转换成位图
PixelDataConverter pxConvert = new PixelDataConverter();

//控制相机采集图像的过程
bool GrabOver = false;


//相机初始化
public void CameraInit()
{
camera = new Camera();
//自由运行模式
camera.CameraOpened += Configuration.AcquireContinuous;

//断开连接事件
camera.ConnectionLost += Camera_ConnectionLost;

//抓取开始事件
camera.StreamGrabber.GrabStarted += StreamGrabber_GrabStarted;

//抓取图片事件
camera.StreamGrabber.ImageGrabbed += StreamGrabber_ImageGrabbed;

//结束抓取事件
camera.StreamGrabber.GrabStopped += StreamGrabber_GrabStopped;

//打开相机
camera.Open();
}
private void StreamGrabber_GrabStarted(object sender, EventArgs e)
{
GrabOver = true;
}
private void StreamGrabber_ImageGrabbed(object sender, ImageGrabbedEventArgs e)
{
IGrabResult grabResult = e.GrabResult;
if(grabResult.IsValid)
{
if (GrabOver)
CameraImageEvent(GrabResult2Bmp(grabResult));
}
}

private void StreamGrabber_GrabStopped(object sender, GrabStopEventArgs e)
{
GrabOver = false;
}

private void Camera_ConnectionLost(object sender, EventArgs e)
{
camera.StreamGrabber.Stop();
DestroyCamera();
}

public void OneShot()
{
if(camera != null)
{
camera.Parameters[PLCamera.AcquisitionMode].SetValue(PLCamera.AcquisitionMode.SingleFrame);
camera.StreamGrabber.Start(1,GrabStrategy.OneByOne, GrabLoop.ProvidedByStreamGrabber);
}
}

public void KeepShot()
{
if (camera != null)
{
camera.Parameters[PLCamera.AcquisitionMode].SetValue(PLCamera.AcquisitionMode.Continuous);
camera.StreamGrabber.Start(GrabStrategy.OneByOne, GrabLoop.ProvidedByStreamGrabber);
}
}

public void Stop()
{
if (camera != null)
{
camera.StreamGrabber.Stop();
}
}

//将相机抓取到的图像转换成Bitmap位图
Bitmap GrabResult2Bmp(IGrabResult grabResult)
{
Bitmap b = new Bitmap(grabResult.Width, grabResult.Height, PixelFormat.Format32bppRgb);
BitmapData bmpData = b.LockBits(new Rectangle(0, 0, b.Width, b.Height), ImageLockMode.ReadWrite, b.PixelFormat);
pxConvert.OutputPixelFormat = PixelType.BGRA8packed;
IntPtr bmpIntpr = bmpData.Scan0;
pxConvert.Convert(bmpIntpr, bmpData.Stride * b.Height, grabResult);
b.UnlockBits(bmpData);
return b;
}

//释放相机
public void DestroyCamera()
{
if(camera !=null)
{
camera.Close();
camera.Dispose();
camera = null;
}
}
}
}