WDF_CHILD_IDENTIFICATION_DESCRIPTION_HEADER_INIT function (wdfchildlist.h)

Artikel
02/22/2024

[Applies to KMDF only]

The WDF_CHILD_IDENTIFICATION_DESCRIPTION_HEADER_INIT function initializes a WDF_CHILD_IDENTIFICATION_DESCRIPTION_HEADER structure.

Syntax

void WDF_CHILD_IDENTIFICATION_DESCRIPTION_HEADER_INIT(
  [out] PWDF_CHILD_IDENTIFICATION_DESCRIPTION_HEADER Header,
  [in]  ULONG                                        IdentificationDescriptionSize
);

Parameters

[out] Header

A pointer to a driver-allocated WDF_CHILD_IDENTIFICATION_DESCRIPTION_HEADER structure.

[in] IdentificationDescriptionSize

The size, in bytes, of a driver-defined structure that contains device identification information. For more information about specifying the size value, see WDF_CHILD_IDENTIFICATION_DESCRIPTION_HEADER.

Return value

None

Remarks

The WDF_CHILD_IDENTIFICATION_DESCRIPTION_HEADER_INIT function zeros the specified WDF_CHILD_IDENTIFICATION_DESCRIPTION_HEADER structure and sets the structure's IdentificationDescriptionSize member to the specified value.

For more information about child identification descriptions, see Dynamic Enumeration.

Examples

For a code example that uses WDF_CHILD_IDENTIFICATION_DESCRIPTION_HEADER_INIT, see WdfChildListAddOrUpdateChildDescriptionAsPresent.

Requirements

Requirement	Value
Target Platform	Universal
Minimum KMDF version	1.0
Header	wdfchildlist.h (include Wdf.h)
IRQL	Any level

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