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HidP_GetValueCaps

  • Article

This function returns a value capability array that describes the HID control values in a top-level collection for a specified type of HID report.

NTSTATUS HidP_GetValueCaps(
  HIDP_REPORT_TYPE ReportType,
  PHIDP_VALUE_CAPS ValueCaps,
  PULONG ValueCapsLength,
  PHIDP_PREPARSED_DATA PreparsedData
);

Parameters

  • ReportType
    [in] HIDP_REPORT_TYPE enumerator value that identifies the report type.
  • ValueCaps
    [out] Pointer to a caller-allocated buffer in which the function returns a value capability array for the specified report type.
  • ValueCapsLength
    [in, out] On input, the length in array elements of the ValueCaps buffer. On output, the number of elements that the ValueCaps buffer returns.
  • PreparsedData
    [in] Pointer to a top-level collection's preparsed data.

Return Values

Returns HIDP_STATUS_SUCCESS if the function successfully returned the capability data. Returns HIDP_STATUS_INVALID_PREPARSED_DATA if the preparsed data is not valid.

Remarks

The NumberXXXValueCaps members of a top-level collection's HIDP_CAPS structure specify the correct length for ValueCapsLength.

Requirements

OS Versions: Windows CE .NET 4.2 and later.
Header: Hidpi.h.
Link Library: Hidparse_lib.lib.

See Also

HID Drivers | HIDP_CAPS | HidP_GetCaps | HidP_GetValueCaps | HIDP_VALUE_CAPS

 Last updated on Tuesday, May 18, 2004

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