New Post: QuantumOperator not a member of MagickImage

                    Using image As New MagickImage("input.png")
                        image.Alpha(AlphaOption.[Set])
                        ' If your image does not contain an alpha channel.
                        image.QuantumOperator(Channels.Alpha, EvaluateOperator.[Set], Quantum.Max / 2)
                        image.Write("output.png")
                    End Using