_SetTextControlValue
updateRequired |= _SetTextControlValue(0, round(h * 60));
updateRequired |= _SetTextControlValue(1, round(s * 100));
updateRequired |= _SetTextControlValue(2, round(v * 100));
updateRequired |= _SetTextControlValue(3, round(r * 255));
updateRequired |= _SetTextControlValue(4, round(g * 255));
updateRequired |= _SetTextControlValue(5, round(b * 255));
bool _SetTextControlValue(int32 index, int value);