Using this technique you have a lot of control over the positioning of your lights, intensity, color, and much more, making it quite a good system to use for shadows.

The entire system consists of a users interface with touchscreen and color LCD display, a control system with multi-pulse intense power supply, and a monitor and alarm system of operating conditions.

COLORREF value that represents the current background color. If this value is -1, the control is using the system color for the background color.