// wiamdef.h

HRESULT wiasGetChildrenContexts(
  [in]  BYTE  *pParentContext,
  [out] ULONG *pulNumChildren,
  [out] BYTE  ***pppChildren
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-wiamdef-wiasgetchildrencontexts)

wiasGetChildrenContexts function

Description

The wiasGetChildrenContexts function retrieves an array of item contexts belonging to the current item's children.

Parameters

`pParentContext` [in]

Pointer to the parent item.

`pulNumChildren` [out]

Pointer to a memory location that receives the number of children contexts.

`pppChildren` [out]

Pointer to a memory location that points to an array whose elements are addresses of IWiaItem objects. Each IWiaItem object represents one child context.

Return value

On success, the function returns S_OK.

If the function fails, it returns a standard COM error or one of the WIA error codes.

View the official Windows Driver Kit DDI reference