public OpticalReaderTask()
{
if (_instance == null)
{
_instance = this;
FocusInterval = new TimeSpan(0, 0, 0, 0, 2500);
}
else
{
throw new Exception("Only one instance of OpticalReaderTask is supported at a time and another instance already exists.");
}
}
public void Dispose()
{
_instance = null;
Processor = null;
}