C# GSMComm phoneConnected/phoneDisconnected处理程序
尝试使用GsmComm库开发小型应用程序。 目前,a在检测手机是否已连接时遇到一些问题 它可以检测手机何时断开连接,但不想检测手机何时重新连接 知道为什么吗 我的代码:C# GSMComm phoneConnected/phoneDisconnected处理程序,c#,gsm,C#,Gsm,尝试使用GsmComm库开发小型应用程序。 目前,a在检测手机是否已连接时遇到一些问题 它可以检测手机何时断开连接,但不想检测手机何时重新连接 知道为什么吗 我的代码: GsmCommMain gsm = new GsmCommMain(4, 115200, 200); private void Form1_Load(object sender, EventArgs e) { gsm.PhoneConnected += new Eve
GsmCommMain gsm = new GsmCommMain(4, 115200, 200);
private void Form1_Load(object sender, EventArgs e)
{
gsm.PhoneConnected += new EventHandler(gsmPhoneConnected);
gsm.PhoneDisconnected += new EventHandler(gsmPhoneDisconnected);
gsm.Open();
}
private delegate void ConnctedHandler(bool connected);
private void onPhoneConnectedChange(bool connected)
{
try
{
if (connected)
{
phoneStatus.Text = "OK";
}
else
{
phoneStatus.Text = "NG";
}
}
catch (Exception exce)
{
logBox.Text += "\n\r" + exce.ToString();
}
}
public void gsmPhoneConnected(object sender, EventArgs e)
{
this.Invoke(new ConnctedHandler(onPhoneConnectedChange), new object[] { true });
}
private void gsmPhoneDisconnected(object sender, EventArgs e)
{
this.Invoke(new ConnctedHandler(onPhoneConnectedChange), new object[] { false });
}
对不起,迟了答复。我刚注意到你的问题。 连接不需要使用EventHandler。如果要在连接phone/gsm调制解调器后调用某些函数,则应在打开端口并(!)检查是否使用GsmCommMain类中的IsConnected()成员函数建立连接后调用这些函数
var gsm = new GsmCommMain(4, 115200, 200);
private void Form1_Load(object sender, EventArgs e)
{
//gsm.PhoneConnected += new EventHandler(gsmPhoneConnected); // not needed..
gsm.PhoneDisconnected += new EventHandler(gsmPhoneDisconnected);
gsm.Open();
if(gsm.IsConnected()){
this.onPhoneConnectedChange(true);
}
}
private delegate void ConnctedHandler(bool connected);
private void onPhoneConnectedChange(bool connected)
{
try
{
if (connected)
{
phoneStatus.Text = "OK";
}
else
{
phoneStatus.Text = "NG";
}
}
catch (Exception exce)
{
logBox.Text += "\n\r" + exce.ToString();
}
}
/*public void gsmPhoneConnected(object sender, EventArgs e)
{
this.Invoke(new ConnctedHandler(onPhoneConnectedChange), new object[] { true });
}*/
private void gsmPhoneDisconnected(object sender, EventArgs e)
{
this.Invoke(new ConnctedHandler(onPhoneConnectedChange), new object[] { false });
}