public void Dispose()
{
if (_disposed)
{
return;
}
_recognizerContext.Dispose();
_strokes.Dispose();
_ink.Dispose();
_disposed = true;
}
/// <summary>
/// Sets the recognizer engine used to convert strokes to text.
/// </summary>
/// <param name="engineId">The GUID of the recognizer engine.</param>
/// <exception cref="ArgumentException">
/// Thrown if the engine is invalid or does not exist.
/// </exception>
public void SetEngine(Guid engineId)
{
EnsureNotDisposed();
_recognizerContext?.Dispose();
Recognizer engineImpl = _recognizers
.Cast <Recognizer>()
.FirstOrDefault(x => x.Id == engineId);
if (engineImpl == null)
{
throw new ArgumentException("Engine not found: " + engineId);
}
_recognizerContext = engineImpl.CreateRecognizerContext();
}