IGameInputDevice::GetOutputReportInfo

uint32_t GetOutputReportInfo(
    uint32_t infoArrayCount,
    GameInputRawDeviceReportInfo* infoArray
);

uint32_t reportCount = device->GetOutputReportCount();
std::vector<GameInputRawDeviceReportInfo> reports(reportCount);
reports.resize(device->GetOutputReportInfo(reportCount, reports.data()));

for (const GameInputRawDeviceReportInfo& report : reports)
{
    Microsoft::WRL::ComPtr<IGameInputRawDeviceReport> output;
    if (SUCCEEDED(device->CreateRawDeviceReport(report.id, GameInputRawOutputReport, &output)))
    {
        // Fill the report with SetRawData, then send it with SendRawDeviceOutput.
    }
}