C#中的异常处理吧
瘦瘦的卢 2019-10-16 10:02:20 private void rbResponse_Checked_1(object sender, RoutedEventArgs e) //rbResponse控件名称
{
try
{
//设置接收按钮的启用属性
btnReceive.IsEnabled = (bool)rbAck.IsChecked; // btnReceive控件名称 rbAck控件名称
if ((bool)rbResponse.IsChecked)
com.DataReceived += new SerialDataReceivedEventHandler(com_DataReceived);
}
catch (Exception err)
{ txtStatus.Text = err.ToString(); }
}
我想请教的是Exception err的含义,err又是干哈的
com.DataReceived += new SerialDataReceivedEventHandler(com_DataReceived); 这段代码不太懂啥意思
辛苦各位大神了,小弟抱拳了