internal void InitializeReports(HIDP_CAPS caps)
{
m_inReport.ReportLength = m_capabilities.InputReportByteLength;
if (m_inReport.Buffer != IntPtr.Zero) {
Marshal.FreeHGlobal(m_inReport.Buffer);
m_inReport.Buffer = IntPtr.Zero;
}
m_inReport.Buffer = Marshal.AllocHGlobal(m_inReport.ReportLength);
m_inReport.OverLappedEvent = new AutoResetEvent(false);
m_inReport.Overlapped = new Overlapped();
if (null!=m_inReport.NativeOverlapped)
Overlapped.Unpack(m_inReport.NativeOverlapped);
m_inReport.NativeOverlapped = m_inReport.Overlapped.Pack(CompleteHIDInReport, m_inReport.Buffer);
if (sizeof(IntPtr) == 8)
m_inReport.NativeOverlappedIntPtr = new IntPtr((long)m_inReport.NativeOverlapped);
else
m_inReport.NativeOverlappedIntPtr = new IntPtr((int)m_inReport.NativeOverlapped);
m_outReport.ReportLength = m_capabilities.OutputReportByteLength;
if (m_outReport.Buffer != IntPtr.Zero)
{
Marshal.FreeHGlobal(m_outReport.Buffer);
m_outReport.Buffer = IntPtr.Zero;
}
m_outReport.Buffer = Marshal.AllocHGlobal(m_outReport.ReportLength);
m_outReport.OverLappedEvent = new AutoResetEvent(false);
m_outReport.Overlapped = new Overlapped();
if (null!=m_outReport.NativeOverlapped)
Overlapped.Unpack(m_outReport.NativeOverlapped);
m_outReport.NativeOverlapped = m_outReport.Overlapped.Pack(CompleteHIDOutReport, m_outReport.Buffer);
if (sizeof(IntPtr) == 8)
m_outReport.NativeOverlappedIntPtr = new IntPtr((long)m_outReport.NativeOverlapped);
else
m_outReport.NativeOverlappedIntPtr = new IntPtr((int)m_outReport.NativeOverlapped);
}
internal static extern bool HidP_GetCaps(IntPtr PreparsedData, out HIDP_CAPS capabilities);