Question

我在代码中添加了它：

namespace uartToCs_version_2._0
{
    public partial class formMain : Form
    {
    ==> public static SerialPort serial = new SerialPort();

但是我没有使用“设计”选项卡，所以我应该如何处理事件（使用当前设置，我也可以其他形式使用它，这是否仍然可能）？ My design file

Answer 1

You can register the events either in any method like Load() or in the constructor. I used the constructor below. You can't register event until all the needed properties are setup. I did not show the setup code.

   public partial class Form1 : Form
    {
        public static SerialPort serial = new SerialPort();
        public Form1()
        {
            InitializeComponent();

            serial.DataReceived += new SerialDataReceivedEventHandler(serial_DataReceived);
        }


        private void serial_DataReceived(object sender, SerialDataReceivedEventArgs e)
        {
        }

    }

Answer 2

  public Form1()
    {
        InitializeComponent();
        //add DataReceived event of serial
        Form1.serial.DataReceived += serial_DataReceived;          
    } 
    private void Form1_FormClosed(object sender, FormClosedEventArgs e)
    {
        //remove DataReceived event of serial
        Form1.serial.DataReceived -= serial_DataReceived;  
    }
    void serial_DataReceived(object sender, SerialDataReceivedEventArgs e)
    {
        //process data here 
    }

序列未设计时的C＃序列事件

2 个答案: