KStrGetPropertyHandler routine

The minidriver-provided KStrGetPropertyHandler routine is called when Kernel Streaming receives a get property request.

Syntax

PFNKSHANDLER KStrGetPropertyHandler;

NTSTATUS KStrGetPropertyHandler(
  _In_    PIRP          Irp,
  _In_    PKSIDENTIFIER Request,
  _Inout_ PVOID         Data
)
{ ... }

Parameters

• Irp [in]
  Pointer to an IRP that contains the get property request.

• Request [in]
  Pointer to a KSIDENTIFIER that identifies the specific request. This is typically a pointer to a KSPROPERTY structure.

• Data [in, out]
  Pointer to a caller-supplied buffer that specifies information relevant to the request.

Return value

Return STATUS_SUCCESS if the request is handled. Appropriate error values depend on the property being handled. Return STATUS_NOT_SUPPORTED to indicate that the property is not supported or STATUS_BUFFER_TOO_SMALL if the caller-allocated Data buffer is not large enough.

Remarks

The minidriver specifies this routine's address in the GetPropertyHandler member of the KSPROPERTY_ITEM structure.

Requirements

See also

KSPROPERTY

KSPROPERTY_ITEM

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