// d3dkmthk.h

typedef struct _D3DKMT_QUERY_PHYSICAL_ADAPTER_PNP_KEY {
  UINT                PhysicalAdapterIndex;
  D3DKMT_PNP_KEY_TYPE PnPKeyType;
  WCHAR               *pDest;
  UINT                *pCchDest;
} D3DKMT_QUERY_PHYSICAL_ADAPTER_PNP_KEY;
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Windows Driver Kit DDI reference (ns-d3dkmthk-_d3dkmt_query_physical_adapter_pnp_key)

D3DKMT_QUERY_PHYSICAL_ADAPTER_PNP_KEY structure

Description

The D3DKMT_QUERY_PHYSICAL_ADAPTER_PNP_KEY structure holds information to query the physical adapter PNP key.

Members

`PhysicalAdapterIndex`

The physical adapter index in the LDA (linked display adapter) chain.

`PnPKeyType`

A D3DKMT_PNP_KEY_TYPE enumeration value that specifies the type of the PNP key being queried.

`pDest`

Pointer to a buffer that receives the requested PnP key as a wide-character string.

`pCchDest`

Pointer to a variable that specifies the size of the pDest buffer, in characters. On input, it should contain the maximum number of characters that can be stored in the buffer. On output, it is updated to reflect the actual number of characters written to pDest, including the null terminator.

D3DKMT_QUERY_PHYSICAL_ADAPTER_PNP_KEY - NtDoc