private void ReceivedCallBack(IAsyncResult ar)
{
int errorCode = 0;
string errorMsg = "接收成功";
//若SerialPort已经打开
if (ISerialPort != null && ISerialPort.IsOpen)
{
try
{
#region 接收数据
int nBytesRec = ISerialPort.BytesToRead;
byte[] _dataBuffer = new byte[nBytesRec];
ISerialPort.Read(_dataBuffer, 0, nBytesRec);
if (nBytesRec > 0)
{
errorMsg = string.Format("串口:[{0}]{1}", ISerialPort.PortName, errorMsg);
ReceivedData.Clear();
string strtemp = Encoding.Default.GetString(_dataBuffer, 0, nBytesRec);
ReceivedData.Append(strtemp);
if (ReceivedEvt != null)
{
System.Windows.Forms.Control target = ReceivedEvt.Target as System.Windows.Forms.Control;
if (target != null && target.InvokeRequired)
{
//非创建控件线程同步调用事件：SerialPortConnected
target.Invoke(ReceivedEvt, new object[] { ReceivedData.ToString(),
ProCommon.Communal.ToolFunctions.GetSubData(_dataBuffer, 0, nBytesRec) });
}
else
{
//创建控件线程调用事件
ReceivedEvt(Property, ReceivedData.ToString(),
ProCommon.Communal.ToolFunctions.GetSubData(_dataBuffer, 0, nBytesRec));
}
}
}
else
{
errorCode = 1; errorMsg = "接收数据为空";
//Common.SocketClosedEventHandler d=new Common.SocketClosedEventHandler();
if (ClosedEvt != null)
{
System.Windows.Forms.Control target = ClosedEvt.Target as System.Windows.Forms.Control;
if (target != null && target.InvokeRequired)
{
//非创建控件线程同步调用事件：SocketClosed
target.Invoke(ClosedEvt, new object[] { errorCode, errorMsg });
}
else
{
//创建控件线程调用事件
ClosedEvt(Property, errorCode, errorMsg);
}
}
}
#endregion
}
catch
{
try
{
if (ClosedEvt != null)
{
System.Windows.Forms.Control target = ClosedEvt.Target as System.Windows.Forms.Control;
if (target != null && target.InvokeRequired)
{
//非创建控件线程同步调用事件：SocketClosed
target.Invoke(ClosedEvt, new object[] { errorCode, errorMsg });
}
else
{
//创建控件线程调用事件
ClosedEvt(Property, errorCode, errorMsg);
}
}
}
catch { }
}
}
else
{
Property.IsConnected = false; //改变连接属性
}
}