WPF定时器串口发送

WPF定时器串口发送 using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Imaging; using System.Windows.Navigation; using System.Windows.Shapes; using System.Timers; //定时器命名 using System.IO.Ports; namespace WpfApplication1 { ///

/// MainWindow.xaml 的交互逻辑 ///

public partial class MainWindow : Window { public int i; SerialPort port = new SerialPort();//定义全局 public MainWindow() { InitializeComponent(); Timer t = new Timer(); //定义 t.Interval = 1000; //间隔1S t.Enabled = true; //开始 t.Elapsed+=new ElapsedEventHandler(t_Elapsed); //时间到 处理事件 port.Open(); //打开串口 this.i = 0; } void t_Elapsed(object source, ElapsedEventArgs e) { byte[] SeriaData = new byte[1]; this.label1.Dispatcher.Invoke(new Action(() => { this.label1.Content = i.ToString(); }));//委托 标签控件显示数据 this.i++; SeriaData[0] = (byte)i; port.Write(SeriaData, 0, 1);//串口发送 } } }