/* open hid device */
public bool Open(HIDInfo dev)
{
/* safe file handle */
SafeFileHandle shandle;
/* opens hid device file */
handle = Native.CreateFile(dev.Path,
Native.GENERIC_READ | Native.GENERIC_WRITE,
Native.FILE_SHARE_READ | Native.FILE_SHARE_WRITE,
IntPtr.Zero, Native.OPEN_EXISTING, Native.FILE_FLAG_OVERLAPPED,
IntPtr.Zero);
/* whops */
if (handle == Native.INVALID_HANDLE_VALUE)
{
return(false);
}
/* build up safe file handle */
shandle = new SafeFileHandle(handle, false);
/* prepare stream - async */
_fileStream = new FileStream(shandle, FileAccess.ReadWrite,
32, true);
/* report status */
return(true);
}
/* open device */
private static IntPtr Open(string path)
{
/* opens hid device file */
return(Native.CreateFile(path,
Native.GENERIC_READ | Native.GENERIC_WRITE,
Native.FILE_SHARE_READ | Native.FILE_SHARE_WRITE,
IntPtr.Zero, Native.OPEN_EXISTING, Native.FILE_FLAG_OVERLAPPED,
IntPtr.Zero));
}
