/// <summary>
/// StopReading
/// Terminates NMEA reading process
/// </summary>
public void StopReading()
{
ReadCancellationTokenSource.Cancel();
if (null != ReadTask)
{
ReadTask.Wait();
ReadTask = null;
}
}
/// <summary>
/// Reads data from the process output
/// </summary>
/// <param name="Buffer">The buffer to receive the data</param>
/// <param name="Offset">Offset within the buffer to write to</param>
/// <param name="Count">Maximum number of bytes to read</param>
/// <returns>Number of bytes read</returns>
public int Read(byte[] Buffer, int Offset, int Count)
{
// Fill the buffer, reentering managed code every 20ms to allow thread abort exceptions to be thrown
Task <int> ReadTask;
if (FrameworkProcess == null)
{
ReadTask = InnerStream.ReadAsync(Buffer, Offset, Count);
}
else
{
ReadTask = FrameworkProcess.StandardOutput.BaseStream.ReadAsync(Buffer, Offset, Count);
}
while (!ReadTask.Wait(20))
{
// Spin through managed code to allow things like ThreadAbortExceptions to be thrown.
}
return(ReadTask.Result);
}