public int Write(byte[] WriteBytes)
{
int result = 0;
if (this.hComm != -1)
{
try
{
SerialPort.OVERLAPPED oVERLAPPED = default(SerialPort.OVERLAPPED);
SerialPort.WriteFile(this.hComm, WriteBytes, WriteBytes.Length, ref result, ref oVERLAPPED);
}
catch
{
LogMSG.AddInfo("串口写入错误!", 2);
}
}
return(result);
}
public byte[] Read(int NumBytes)
{
byte[] array = new byte[NumBytes];
byte[] array2 = new byte[0];
if (this.hComm != -1)
{
try
{
SerialPort.OVERLAPPED oVERLAPPED = default(SerialPort.OVERLAPPED);
int num = 0;
SerialPort.ReadFile(this.hComm, array, NumBytes, ref num, ref oVERLAPPED);
array2 = new byte[num];
Array.Copy(array, array2, num);
}
catch
{
LogMSG.AddInfo("串口读数据错误！", 2);
}
}
return(array2);
}
private static extern int WriteFile(int hFile, byte[] lpBuffer, int nNumberOfBytesToWrite, ref int lpNumberOfBytesWritten, ref SerialPort.OVERLAPPED lpOverlapped);
private static extern int ReadFile(int hFile, byte[] lpBuffer, int nNumberOfBytesToRead, ref int lpNumberOfBytesRead, ref SerialPort.OVERLAPPED lpOverlapped);