C#当中,我们知道,serial port(串口)一般传入barcode reader读取进来的数据,他的写法是这样的:
private void serialPort1_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
DialogResult dr = new DialogResult();
DialogResult dt = new DialogResult();
byte firstbyte = Convert.ToByte(serialPort1.ReadByte());
//ReturnInfo ret;
byte bytedata;
int interval = Convert.ToInt32(txtInterval.Text) * 1000; dataProcessing = true;
..............
..............
}那从USB口接入摄像头读取二维码传入数据的函数写法是怎么样的呢?希望达人们给我点力啊,谢谢!
private void serialPort1_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
DialogResult dr = new DialogResult();
DialogResult dt = new DialogResult();
byte firstbyte = Convert.ToByte(serialPort1.ReadByte());
//ReturnInfo ret;
byte bytedata;
int interval = Convert.ToInt32(txtInterval.Text) * 1000; dataProcessing = true;
..............
..............
}那从USB口接入摄像头读取二维码传入数据的函数写法是怎么样的呢?希望达人们给我点力啊,谢谢!
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货