GetImageMimeType() публичный Метод

public GetImageMimeType ( int index, bool isRetina ) : string
index int
isRetina bool
Результат string
 public FileStreamResult Image(int index, bool isRetina = false)         //isRetina should be on querystring.
 {
     return(new FileStreamResult(_visualCaptcha.StreamImage(index, isRetina), _visualCaptcha.GetImageMimeType(index, isRetina)));
 }