public static NtStatus TryGetUsageValueArray(HidPreparsedData preparsedData, HidPReportType reportType, ushort usagePage, ushort linkCollection, ushort usage, ushort usageValueByteLength, byte[] report, int reportLength, out byte[] usageValue)
{
var preparsedDataPtr = HidPreparsedData.GetRawValue(preparsedData);
usageValue = new byte[usageValueByteLength];
return(HidP_GetUsageValueArray(reportType, usagePage, linkCollection, usage, usageValue, usageValueByteLength, preparsedDataPtr, report, (uint)reportLength));
}
public static NtStatus TryGetUsages(HidPreparsedData preparsedData, HidPReportType reportType, ushort usagePage, ushort linkCollection, byte[] report, int reportLength, out ushort[] usageList)
{
var preparsedDataPtr = HidPreparsedData.GetRawValue(preparsedData);
uint usageCount = 0;
HidP_GetUsages(reportType, usagePage, linkCollection, null, ref usageCount, preparsedDataPtr, report, (uint)reportLength);
usageList = new ushort[usageCount];
return(HidP_GetUsages(reportType, usagePage, linkCollection, usageList, ref usageCount, preparsedDataPtr, report, (uint)reportLength));
}
public static NtStatus TryGetValueCaps(HidPreparsedData preparsedData, HidPReportType reportType, out HidPValueCaps[] valueCaps)
{
var preparsedDataPtr = HidPreparsedData.GetRawValue(preparsedData);
var caps = GetCaps(preparsedData);
var capsCount = reportType switch
{
HidPReportType.Input => caps.NumberInputValueCaps,
HidPReportType.Output => caps.NumberOutputValueCaps,
HidPReportType.Feature => caps.NumberFeatureValueCaps,
_ => throw new ArgumentException($"Invalid HidPReportType: {reportType}", nameof(reportType)),
};
valueCaps = new HidPValueCaps[capsCount];
return(HidP_GetValueCaps(reportType, valueCaps, ref capsCount, preparsedDataPtr));
}
public static void FreePreparsedData(HidPreparsedData preparsedData)
{
var preparsedDataPointer = HidPreparsedData.GetRawValue(preparsedData);
HidD_FreePreparsedData(preparsedDataPointer);
}
public static NtStatus TryGetCaps(HidPreparsedData preparsedData, out HidPCaps capabilities)
{
var preparsedDataPtr = HidPreparsedData.GetRawValue(preparsedData);
return(HidP_GetCaps(preparsedDataPtr, out capabilities));
}
public static NtStatus TryGetScaledUsageValue(HidPreparsedData preparsedData, HidPReportType reportType, ushort usagePage, ushort linkCollection, ushort usage, byte[] report, int reportLength, out int usageValue)
{
var preparsedDataPtr = HidPreparsedData.GetRawValue(preparsedData);
return(HidP_GetScaledUsageValue(reportType, usagePage, linkCollection, usage, out usageValue, preparsedDataPtr, report, (uint)reportLength));
}