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HIDP_CAPS (Windows CE 5.0)

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This structure contains information about a top-level collection's capability.

typedef struct _HIDP_CAPS {  USAGE Usage;  USAGE UsagePage;  USHORT InputReportByteLength;  USHORT OutputReportByteLength;  USHORT FeatureReportByteLength;  USHORT Reserved[17];  USHORT NumberLinkCollectionNodes;  USHORT NumberInputButtonCaps;  USHORT NumberInputValueCaps;  USHORT NumberInputDataIndices;  USHORT NumberOutputButtonCaps;  USHORT NumberOutputValueCaps;  USHORT NumberOutputDataIndices;  USHORT NumberFeatureButtonCaps;  USHORT NumberFeatureValueCaps;  USHORT NumberFeatureDataIndices;} HIDP_CAPS, * PHIDP_CAPS;

Members

  • Usage
    Top-level collection's usage identifier.
  • UsagePage
    Top-level collection's usage page.
  • InputReportByteLength
    Maximum size, in bytes, of the input reports, including the report identifier, if report identifiers are used, which is added to the beginning of the report data.
  • OutputReportByteLength
    Maximum size, in bytes, of all the output reports, including the report identifier, if report identifiers are used, which is added to the beginning of the report data.
  • FeatureReportByteLength
    Maximum length, in bytes, of all the feature reports, including the report identifier, if report identifiers are used, which is added to the beginning of the report data.
  • Reserved
    Reserved for internal system use.
  • NumberLinkCollectionNodes
    Number of HIDP_LINK_COLLECTION_NODE structures that are returned for this top-level collection by HidP_GetLinkCollectionNodes.
  • NumberInputButtonCaps
    Number of input HIDP_BUTTON_CAPS structures that HidP_GetButtonCaps returns.
  • NumberInputValueCaps
    Number of input HIDP_VALUE_CAPS structures that HidP_GetValueCaps returns.
  • NumberInputDataIndices
    Number of data indexes assigned to buttons and values in all input reports.
  • NumberOutputButtonCaps
    Number of output HIDP_BUTTON_CAPS structures that HidP_GetButtonCaps returns.
  • NumberOutputValueCaps
    Number of output HIDP_VALUE_CAPS structures that HidP_GetValueCaps returns.
  • NumberOutputDataIndices
    Number of data indexes assigned to buttons and values in all output reports.
  • NumberFeatureButtonCaps
    Total number of feature HIDP_BUTTONS_CAPS structures that HidP_GetButtonCaps returns
  • NumberFeatureValueCaps
    Total number of feature HIDP_VALUE_CAPS structures that HidP_GetValueCaps returns.
  • NumberFeatureDataIndices
    Number of data indexes assigned to buttons and values in all feature reports.

Remarks

Callers of the HID class support functions use the information provided in this structure when a called function requires, as input, the size of a report type, the number of link collection nodes, the number of control capabilities, or the number of data indexes.

Requirements

OS Versions: Windows CE .NET 4.2 and later.
Header: Hidpi.h.

See Also

HIDP_BUTTON_CAPS | HidP_GetCaps | HidP_GetButtonCaps | HidP_GetLinkCollectionNodes | HidP_GetSpecificButtonCaps | HidP_GetSpecificValueCaps | HidP_GetValueCaps | HIDP_LINK_COLLECTION_NODE | HIDP_VALUE_CAPS

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