VC下获得显卡信息

主要通过Direct 3D的几个函数完成的，包括Direct3DCreate9()，GetAdapterCount(),GetAdapterIdentifier().

其中GetAdapterIdentifier()的描述如下

IDirect3D9::GetAdapterIdentifier

Describes the physical display adapters present in the system when the IDirect3D9 interface was instantiated.

HRESULT GetAdapterIdentifier(
UINT Adapter,
DWORD Flags,
D3DADAPTER_IDENTIFIER9 * pIdentifier
);

用D3DADAPTER_IDENTIFIER9返回显卡信息，下面是D3DADAPTER_IDENTIFIER9的定义

typedef struct D3DADAPTER_IDENTIFIER9 {
char Driver[MAX_DEVICE_IDENTIFIER_STRING];
char Description[MAX_DEVICE_IDENTIFIER_STRING];
char DeviceName[32];
LARGE_INTEGER DriverVersion;
DWORD DriverVersionLowPart;
DWORD DriverVersionHighPart;
DWORD VendorId;
DWORD DeviceId;
DWORD SubSysId;
DWORD Revision;
GUID DeviceIdentifier;
DWORD WHQLLevel;
} D3DADAPTER_IDENTIFIER9, *LPD3DADAPTER_IDENTIFIER9;

//代码

LPDIRECT3D9 pD3D=NULL;
pD3D=Direct3DCreate9(D3D_SDK_VERSION);//创建Direct 3D对象
DWORD m_dwNumAdapters=pD3D-> GetAdapterCount();//获得显卡数量
for(UINT iAdapter=0;iAdapter<m_dwNumAdapters;iAdapter++)
{
D3DADAPTER_IDENTIFIER9 di;
pD3D-> GetAdapterIdentifier(iAdapter,0,&di);//获得显卡信息
char  szBuf[256];
sprintf(szBuf,"%s",di.Description);//
MessageBox(szBuf);
}