void SetColorsForScanCodes(
    uint32_t scanCodesCount,
    const uint32_t * scanCodes,
    const LampArrayColor * desiredColors)

#define SC_W    0x11
#define SC_A    0x1E
#define SC_S    0x1F
#define SC_D    0x20

void UpdateWASDKeys(ILampArray* lampArray)
{
    const LampArrayColor blueColor = { 0x0 /* r */, 0x0 /* g */, 0xFF /* b */, 0xFF /* a */};
    const LampArrayColor yellowColor = { 0xFF /* r */, 0xFF /* g */, 0x0 /* b */, 0xFF /* a */};

    // Set the color for all lamps. We will override the WASD keys below.
    lampArray->SetColor(blueColor);

    // Set up the buffer of scan codes for the Lamps we want to target
    std::vector<uint32_t> scanCodesBuffer = { SC_W, SC_A, SC_S, SC_D };

    // Create a matching buffer of LampArrayColors. In this example, we will set all of the WASD keys to yellow.
    std::vector<LampArrayColor> colorsBuffer;
    for (size_t i = 0; i < scanCodesBuffer.size(); i++)
    {
        colorsBuffer.push_back(yellowColor);
    }

    // Set the color for the WASD keys
    lampArray->SetColorsForScanCodes(static_cast<uint32_t>(scanCodesBuffer.size()), scanCodesBuffer.data(), colorsBuffer.data());
}