Replacing the sprite in the folder will not work actually, as the sprite is really placed in the dll file and you can not change it. To have the additional icon, you should use an external resources as shown in the sample project attached: raddockcustomcommnad.zip
- I have used a new CSS class and your image as background. The positions are now correct, you have your image in the Command Controls section applied.
Attached is customcommnad.jpg
showing the result in the browser.
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