Hello, Evan!

>One idea to create a black and white version of your picture and swap the source of the picture object between the two.

Of course. It is works. I using that in my application now... (But the solution have some problems.. need additional image, impossible to write universal solution)

>Another idea is to put the picture onto a command button, disabling it will turn it grey.

Yes. But then... How can I hide a button borders?

Denis.