public void Set(int Idx, Color Fg, Color Bg) { Idx *= 4; ForeDataRaw[Idx] = Fg.R; ForeDataRaw[Idx + 1] = Fg.G; ForeDataRaw[Idx + 2] = Fg.B; BackDataRaw[Idx] = Bg.R; BackDataRaw[Idx + 1] = Bg.G; BackDataRaw[Idx + 2] = Bg.B; BackDataRaw[Idx + 3] = Bg.A; Dirty = true; }