/// <summary>
/// Delegate to define the actions taken upon the photo capture of the camera class.
/// This one uses the memory stream of the photo capture to store the face in the image, using the local face detection instance.
/// </summary>
/// <param name="memoryStream">The memory stream containing the captured image.</param>
private async Task StoreFace_Delegate(MemoryStream memoryStream)
{
// if the last face name isn't set, return to avoid exceptions
if (string.IsNullOrEmpty(lastFaceName))
{
return;
}
// store the image of the current face for the given name
if (await faceDetection.StoreFaceFor(lastFaceName, memoryStream))
{
await TrainFaces();
}
}