Thank you for your answer. I've saw the example on NirSoft web site http://www.nirsoft.net/vc/change\_screen\_brightness.html where I can make the screen brighter or darker but how can increase or decrease the intensity of the red/green/blue components? For example: How can to increase only the blue component in all RGB values to add more blue color to the entire display? Robert.

Does anybody have sample code in C++ to change the gamma ramp. I want to set the colours, contrast and brightness of an LCD panel. Similar with: http://www.majorgeeks.com/Gamma\_Panel\_d2796.html Regards.

Try this: http://www.codeproject.com/internet/RemoteAdmin.asp

http://www.download.com/ActiveX-Control-Pad/3000-2406\_4-861343.html

Could anybody tell me where can I find some free examples on developing an OPC C++ client and OPC servers? Thanks