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#ifndef _WIN32_DCOM
#define _WIN32_DCOM
#endif
#include <windows.h>
#include <wbemidl.h>
#include <oleauto.h>
#include <objbase.h>
#include <comdef.h>
#include <comutil.h>
#include <atlbase.h>
#include <iostream>
#pragma comment(lib, "comsuppw.lib")
void PrintDeviceDescription( IWbemClassObject* pDevice, const wchar_t* type )
{
HRESULT hr;
VARIANT var;
if( SUCCEEDED(hr = pDevice->Get( _bstr_t(type), 0L, &var, NULL, NULL )) ) {
VARTYPE vt = V_VT(&var);
VARIANT *va;
if( var.vt == (VT_VARIANT|VT_BYREF) ) {
va = var.pvarVal;
} else {
va = &var;
}
vt = va->vt;
if( (vt&VT_ARRAY) == VT_ARRAY ) {
SAFEARRAY *psa;
if( vt & VT_BYREF ) {
psa = *va->pparray;
} else {
psa = va->parray;
}
LONG lb, ub;
SafeArrayGetLBound( psa, 1, &lb );
SafeArrayGetUBound( psa, 1, &ub );
ULONG nTargetLen = ub - lb + 1;
VARIANT *pi;
hr = SafeArrayAccessData(psa, (void **)&pi);
for( ULONG i = 0; i < nTargetLen ; i++ ) {
if( (pi[i].vt != VT_DISPATCH) && (pi[i].vt != VT_VARIANT) && (pi[i].vt != VT_UNKNOWN) && (pi[i].vt != VT_NULL) && (pi[i].vt != VT_EMPTY ) ) {
std::wcout << type << L" : " << (const wchar_t *)(_bstr_t)_variant_t(var) << std::endl;
}
}
SafeArrayUnaccessData(psa);
} else if( (vt != VT_DISPATCH) && (vt != VT_VARIANT) && (vt != VT_UNKNOWN) && (vt != VT_NULL) && (vt != VT_EMPTY ) ) {
std::wcout << type << L" : " << (const wchar_t *)(_bstr_t)_variant_t(*va) << std::endl;
} else {
std::wcout << type << L" : unknown" << std::endl;
}
}
}
HRESULT PrintVideoController()
{
HRESULT hr;
try {
if( FAILED(hr = CoInitialize(NULL)) )
throw _com_error(hr);
CComPtr<IWbemLocator> pIWbemLocator;
if( FAILED(hr = pIWbemLocator.CoCreateInstance(__uuidof(WbemLocator), NULL, CLSCTX_INPROC_SERVER ) ) )
throw _com_error(hr);
CComPtr<IWbemServices> pIWbemServices;
if( FAILED(hr = pIWbemLocator->ConnectServer( _bstr_t(L"\\\\.\\root\\cimv2"), NULL, NULL, 0L, 0L, NULL, NULL, &pIWbemServices )) )
throw _com_error(hr);
CoSetProxyBlanket( pIWbemServices, RPC_C_AUTHN_WINNT, RPC_C_AUTHZ_NONE, NULL, RPC_C_AUTHN_LEVEL_CALL, RPC_C_IMP_LEVEL_IMPERSONATE, NULL, 0 );
CComPtr<IEnumWbemClassObject> pEnumDevices;
if( FAILED(hr = pIWbemServices->CreateInstanceEnum( _bstr_t(L"Win32_VideoController"), 0, NULL, &pEnumDevices ) ) )
throw _com_error(hr);
for( ;; ) {
DWORD uReturned = 0;
CComPtr<IWbemClassObject> pDevice;
if( FAILED(hr = pEnumDevices->Next( 10000, 1, &pDevice, &uReturned ) ) )
throw _com_error(hr);
if( uReturned == 0 ) break;
PrintDeviceDescription( pDevice, L"AcceleratorCapabilities" );
PrintDeviceDescription( pDevice, L"AdapterCompatibility" );
PrintDeviceDescription( pDevice, L"AdapterDACType" );
PrintDeviceDescription( pDevice, L"AdapterRAM" );
PrintDeviceDescription( pDevice, L"Availability" );
PrintDeviceDescription( pDevice, L"CapabilityDescriptions" );
PrintDeviceDescription( pDevice, L"Caption" );
PrintDeviceDescription( pDevice, L"ColorTableEntries" );
PrintDeviceDescription( pDevice, L"ConfigManagerErrorCode" );
PrintDeviceDescription( pDevice, L"ConfigManagerUserConfig" );
PrintDeviceDescription( pDevice, L"CreationClassName" );
PrintDeviceDescription( pDevice, L"CurrentBitsPerPixel" );
PrintDeviceDescription( pDevice, L"CurrentHorizontalResolution" );
PrintDeviceDescription( pDevice, L"CurrentNumberOfColors" );
PrintDeviceDescription( pDevice, L"CurrentNumberOfColumns" );
PrintDeviceDescription( pDevice, L"CurrentNumberOfRows" );
PrintDeviceDescription( pDevice, L"CurrentRefreshRate" );
PrintDeviceDescription( pDevice, L"CurrentScanMode" );
PrintDeviceDescription( pDevice, L"CurrentVerticalResolution" );
PrintDeviceDescription( pDevice, L"Description" );
PrintDeviceDescription( pDevice, L"DeviceID" );
PrintDeviceDescription( pDevice, L"DeviceSpecificPens" );
PrintDeviceDescription( pDevice, L"DitherType" );
PrintDeviceDescription( pDevice, L"DriverDate" );
PrintDeviceDescription( pDevice, L"DriverVersion" );
PrintDeviceDescription( pDevice, L"ErrorCleared" );
PrintDeviceDescription( pDevice, L"ErrorDescription" );
PrintDeviceDescription( pDevice, L"ICMIntent" );
PrintDeviceDescription( pDevice, L"ICMMethod" );
PrintDeviceDescription( pDevice, L"InfFilename" );
PrintDeviceDescription( pDevice, L"InfSection" );
PrintDeviceDescription( pDevice, L"InstallDate" );
PrintDeviceDescription( pDevice, L"InstalledDisplayDrivers" );
PrintDeviceDescription( pDevice, L"LastErrorCode" );
PrintDeviceDescription( pDevice, L"MaxMemorySupported" );
PrintDeviceDescription( pDevice, L"MaxNumberControlled" );
PrintDeviceDescription( pDevice, L"MaxRefreshRate" );
PrintDeviceDescription( pDevice, L"MinRefreshRate" );
PrintDeviceDescription( pDevice, L"Monochrome" );
PrintDeviceDescription( pDevice, L"Name" );
PrintDeviceDescription( pDevice, L"NumberOfColorPlanes" );
PrintDeviceDescription( pDevice, L"NumberOfVideoPages" );
PrintDeviceDescription( pDevice, L"PNPDeviceID" );
PrintDeviceDescription( pDevice, L"PowerManagementCapabilities" );
PrintDeviceDescription( pDevice, L"PowerManagementSupported" );
PrintDeviceDescription( pDevice, L"ProtocolSupported" );
PrintDeviceDescription( pDevice, L"ReservedSystemPaletteEntries" );
PrintDeviceDescription( pDevice, L"SpecificationVersion" );
PrintDeviceDescription( pDevice, L"Status" );
PrintDeviceDescription( pDevice, L"StatusInfo" );
PrintDeviceDescription( pDevice, L"SystemCreationClassName" );
PrintDeviceDescription( pDevice, L"SystemName" );
PrintDeviceDescription( pDevice, L"SystemPaletteEntries" );
PrintDeviceDescription( pDevice, L"TimeOfLastReset" );
PrintDeviceDescription( pDevice, L"VideoArchitecture" );
PrintDeviceDescription( pDevice, L"VideoMemoryType" );
PrintDeviceDescription( pDevice, L"VideoMode" );
PrintDeviceDescription( pDevice, L"VideoModeDescription" );
PrintDeviceDescription( pDevice, L"VideoProcessor" );
}
} catch( _com_error &e ) {
std::wcout << (const wchar_t *)e.Description() << std::endl;
}
CoUninitialize();
return hr;
}
int _tmain(int argc, _TCHAR* argv[])
{
PrintVideoController();
return 0;
}
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