Bewerken

Delen via

wiauGetDrvItemContext function (wiautil.h)

  • Artikel

The wiauGetDrvItemContext function gets the driver item context, and optionally, the driver item.

Syntax

HRESULT wiauGetDrvItemContext(
  [in]      BYTE        *pWiasContext,
  [in, out] VOID        **ppItemCtx,
  [in, out] IWiaDrvItem **ppDrvItem
);

Parameters

[in] pWiasContext

Pointer to a WIA item context.

[in, out] ppItemCtx

Pointer to a memory location that receives a pointer to the driver item context.

[in, out] ppDrvItem

Optional. Pointer to a memory location that receives a pointer to a driver item. The default value of this parameter is NULL, which means that when this function returns, no change is made to this parameter.

Return value

On success, the function returns S_OK. If the function fails, it returns a standard COM error.

Requirements

Requirement Value
Target Platform Desktop
Header wiautil.h (include Wiautil.h)