I'm trying to control the secondary display on my Win'98 in Visual C++5. The secondary display card has been successfully initialized by the system. How do I write to the registers and memory on the secondary card and have my own video output? How can I switch back and forth between the primary and secondary card?
P.S. As I mentioned above, both the primary and secondary cards are working fine, which means that I successed in configuring the cards. My question is: how to further program the secondary card? More specifically, how do I program it and have video output to that display? One example is to show screen saving animation on the secondary display whil run other programs on the primary display. Thanks for the help!