public static extern long HidP_GetUsages(
[In] HidpReportType reportType,
[In] ushort usagePage,
[In] ushort linkCollection,
[In] ushort[] usageList,
[In, Out] ref uint usageLength,
[In] IntPtr preparsedData,
[In] byte[] report,
[In] uint reportLength
);
public static extern ulong HidP_GetUsageValue(
[In] HidpReportType reportType,
[In] ushort usagePage,
[In] ushort linkCollection,
[In] ushort usage,
[Out] out uint usageValue,
[In] IntPtr preparsedData,
[In] byte[] report,
[In] uint reportLength
);
public static extern long HidP_GetButtonCaps(
[In] HidpReportType reportType,
[Out] IntPtr buttonCaps, // CLR crashes without exception (when auto-marshalling struct with union?)
[In, Out] ref uint buttonCapsLength,
[In] IntPtr preparsedData
);
public static extern long HidP_GetValueCaps(
[In] HidpReportType reportType,
[Out] IntPtr valueCaps,
[In, Out] ref uint valueCapsLength,
[In] IntPtr preparsedData
);
public static extern ulong HidP_MaxUsageListLength(
[In] HidpReportType reportType,
[In] ushort usagePage,
[In] IntPtr preparsedData
);
