static public bool button_COMOpen_Click(SerialPort sp)
{
MyTimer MyTmr = null;
for (int i = 0; i < list_timer_scan_com.Count; i++)
{
if (list_timer_scan_com[i].serialport == sp)
{
MyTmr = list_timer_scan_com[i];
break;
}
}
Dbg.Assert(MyTmr != null, "###Why can not find SP!?");
bool res = false;
if ((MyTmr.button_COMOpen.ForeColor == Color.Red) && (sp.IsOpen == false)) //打开串口
{
if (Open(sp) == true)
{
MyTmr.Enabled = true;
res = true;
}
}
else if ((MyTmr.button_COMOpen.ForeColor == Color.Green) && (sp.IsOpen == true)) //关闭串口
{
MyTmr.Enabled = false;
Close(sp);
//重建一次com number 列表，因为可能COM口有变化，同样的select下次打不开了
int temp_select_index = MyTmr.comboBox_COMNumber.SelectedIndex;
Ruild_ComNumberList(MyTmr.comboBox_COMNumber);
if (MyTmr.comboBox_COMNumber.Items.Count > temp_select_index)
{
MyTmr.comboBox_COMNumber.SelectedIndex = temp_select_index;
}
}
//关闭窗口的时候，如果串口已经掉了，则会进来这里，触发comboBox_COMNumber_SelectedIndexChanged，不走关闭串口的路径，列表会重新建立
else if ((MyTmr.button_COMOpen.ForeColor == Color.Green) && (sp.IsOpen == false))
{
MyTmr.comboBox_COMNumber.SelectedIndex = -1;
}
//拔掉COM之后，is open会变成false 的
else
{
Dbg.Assert(false, "###TODO: What is this statue?!");
}
return(res);
}
static public void Timer_ScanCOM_Add(SerialPort _serialport, ComboBox _comboBox_COMNumber,
Button _button_COMOpen, ty_delegate_SetComStatus _delegate_SetComStatus)
{
MyTimer timer_ScanCOM = new MyTimer();
timer_ScanCOM.serialport = _serialport;
timer_ScanCOM.comboBox_COMNumber = _comboBox_COMNumber;
timer_ScanCOM.button_COMOpen = _button_COMOpen;
timer_ScanCOM.delegate_SetComStatus = _delegate_SetComStatus;
timer_ScanCOM.Elapsed += new System.Timers.ElapsedEventHandler(Timer_ScanCOM_Tick);
timer_ScanCOM.AutoReset = true;
timer_ScanCOM.Enabled = false;
timer_ScanCOM.Interval = 1000;
list_timer_scan_com.Add(timer_ScanCOM);
}
static void Timer_ScanCOM_Tick(object sender, EventArgs e)
{
MyTimer timer_ScanCOM = sender as MyTimer;
if ((timer_ScanCOM.button_COMOpen.ForeColor == Color.Green) && (timer_ScanCOM.serialport.IsOpen == false))
{
timer_ScanCOM.Enabled = false;
MessageBox.Show("COM: " + timer_ScanCOM.serialport.PortName + " is lost!", "Warning!");
Close(timer_ScanCOM.serialport);
//this.Invoke((EventHandler)(delegate
//{
// Ruild_ComNumberList(timer_ScanCOM.comboBox_COMNumber);
// timer_ScanCOM.delegate_SetComStatus(false);
//}));
Ruild_ComNumberList(timer_ScanCOM.comboBox_COMNumber);
timer_ScanCOM.delegate_SetComStatus(false);
}
}
