IntelのCOM

_SetBrightness.cpp

#import "igfxsrvc.exe"
#include <windows.h>
#include <stdio.h>

using namespace IGFXSRVCLib;

void _SetBrightness()
{

	try {
		DWORD dwDevice = 1;
		//DISPLAY_DEVICEW DisplayDevice;
		//BOOL bRet = EnumDisplayDevicesW(nullptr, dwDevice, &DisplayDevice, 0);
		//if (!bRet) return;

		IColorPtr pUnk;
		HRESULT hr = pUnk.CreateInstance(__uuidof(Color));
		if (FAILED(hr)) _com_issue_error(hr);
		long Supported = pUnk->IsSupported(dwDevice);

		char tmp[50];
		sprintf(tmp, "%d", Supported);
		MessageBoxA(nullptr, tmp, "test", MB_OK);

		//明度取得
		//0は全色と思われる
		long pVal = pUnk->GetMainScreenBrightness(dwDevice, 0);
		sprintf(tmp, "%d", pVal);
		MessageBoxA(nullptr, tmp, "test", MB_OK);

		int a, b, c, d, e;
		pUnk->GetColorDefault(&a, &b, &c, &d, &e);
		sprintf(tmp, "%d\n%x\n%x\n%x\n%x\n", a, b, c, d, e);
		MessageBoxA(nullptr, tmp, "test", MB_OK);

	}
	catch (_com_error& e) {
		MessageBoxA(nullptr, e.ErrorMessage(), "err", MB_OK);
	}
}


int CALLBACK WinMain(
	_In_  HINSTANCE hInstance,
	_In_  HINSTANCE hPrevInstance,
	_In_  LPSTR lpCmdLine,
	_In_  int nCmdShow
	)
{
	::CoInitialize(NULL);
	_SetBrightness();
	::CoUninitialize();
	return 0;
}