COM氏

com.cpp

//#define UNICODE
#import "igfxsrvc.exe"
#include <windows.h>
#include <stdio.h>
#include <comdef.h>

using namespace IGFXSRVCLib;

void GetName()
{

	try {

		_bstr_t bstr;
		IColorPtr pED;
		 HRESULT hr = pED.CreateInstance(__uuidof(Color));
		if (FAILED(hr)) _com_issue_error(hr);
		DWORD dwDevice = 0x100;

		long l = pED->IsSupported(dwDevice);

		char tmp[50];
		sprintf(tmp,"%x", l);
		MessageBoxA(0,tmp, "", MB_OK);

		long a, b, c;
		pED->GetMainScreenBrightNessValues(dwDevice, 3, &a, &b, &c);
		sprintf(tmp,"%x %x %x",a,b,c);
		MessageBoxA(0,tmp, "", 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);
	GetName();
	::CoUninitialize();
	return 0;
}