Function WriteHeader

IntelPresentMon/SampleClient/PacedFramePlayback.cpp:106–115

	}

	void WriteHeader(std::ofstream& csv)
	{
		for (size_t i = 0; i < kFrameCsvHeader.size(); ++i) {
			if (i > 0) {
				csv << ",";
			}
			csv << kFrameCsvHeader[i];
		}
		csv << "\n";
	}

	void WriteOptionalDouble(std::ofstream& csv, double value)
	{