The dbicButton “User Drawn” functionality allows the developer to take control of the painting of the control. User Drawn functionality is surfaced through 2 different events in the control …
User Drawn Button: Fires before the dbicButton is drawn, and allows the developer to take complete control over the display of the dbicButton.
User Drawn Button After: Fires after all the drawing has completed for the dbiButton, allowing the developer to append their own drawing to the display .