GSMComm phoneConnected/phoneDisconnected处理程序
本文关键字:处理 程序 phoneDisconnected phoneConnected GSMComm | 更新日期: 2023-09-27 18:22:38
尝试使用GsmComm库开发小型应用程序。目前,a在检测电话是否已连接或未连接时遇到了一些问题。
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 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 });
}
很抱歉回答晚了。刚刚注意到你的问题。不需要使用EventHandler进行连接。如果你想在连接电话/gsm调制解调器后调用一些函数,你应该在打开端口并(!)检查是否使用GsmCommMain类中的IsConnected()成员函数建立了连接后调用它们。
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 });
}