I don't know where the dcBitmap is, if it's in the system memory or video memory,then my thought is that:
Originally posted by Hunter2
thanks for the suggestion, but I don't think that would work, because dcBack is the offscreen buffer thingee. Everything gets drawn to that first, as if it's the screen, then it (the whole package) gets drawn to dcFront, which is the screen - that's to prevent flickering. memcpy() would just make it exactly the same as dcBitmap, which defeats the purpose of having dcBack.