Starting from Q3 2011 user-defined keyboard shortcuts can be set to RadImageEditor. This improves the accessibility of the control, and makes it easier to use.
By default the control has assigned the following shortcuts:
F10 - focuses the Toolbar, after that you can use Tab key to navigate through toolbar buttons
Esc - closes the currently focused dialog window
Ctrl+Z - Undo the last modification
Ctrl+Y - Redo the previous returned modification
You can easily customize these or add additional shortcuts using setting the ShortCut property to the tool declaration, or using addShortCut(), removeShortCut() and setShortCut() client-side methods. An example of setting RadImageEditor's shortcuts is available in the related live demo: Keyboard Support