ImageMagick.MagickImage.NativeMagickImage.SepiaTone C# (CSharp) Метод

      public void SepiaTone(double threshold)
      {
        IntPtr exception = IntPtr.Zero;
        IntPtr result;
        #if ANYCPU
        if (NativeLibrary.Is64Bit)
        #endif
        #if WIN64 || ANYCPU
        result = NativeMethods.X64.MagickImage_SepiaTone(Instance, threshold, out exception);
        #endif
        #if ANYCPU
        else
        #endif
        #if !WIN64 || ANYCPU
        result = NativeMethods.X86.MagickImage_SepiaTone(Instance, threshold, out exception);
        #endif
        CheckException(exception, result);
        Instance = result;
      }
      public void SetAlpha(AlphaOption value)