Noobie question regarding CopyPixels

[JayE]

I'm trying to copy a PNG image (with alpha) onto a transparent/blank background PNG image, but the PNG image I am copying to the background is not displayed, probably because the background image is transparent.

How do I get CopyPixels to ignore the background image?
I tried lots of the Channels.xxx options but nothing seems to work the way I want it to.

// Background
bgndImage= new MagickImage(bytes);

// Copy image onto background
imgAdd = new MagickImage(bytes);
bgndImage.CopyPixels(imgAdd, new MagickGeometry(imgAdd.Width, imgAdd.Height), point.X, point.Y, Channels.RGB);

[dlemstra]

I wonder why you are using the CopyPixels method. I suspect you will need to use one of the Composite overloads to accomplish your goal.

[JayE]

Composite overloads?
How do I use those?