Using Graphics.DrawImage() to Draw Image with Transparency/Alpha Channel

Question

I\'m copying an image. (My actual code is resizing the image but that\'s not relevant to my question.) My code looks something like this.

Image src = ...

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Answer 1

I found this thread because I had the same problem (i.e. DrawImage didn't copy the alpha channel), but in my case it was simply because I overlooked that I used PixelFormat.Format32bppRgb instead of PixelFormat.Format32bppArgb. So pretty much what Lukasz M said in the comments.