/// <summary>
/// Retrieves a feature from the device.
/// </summary>
/// <param name="device"></param>
/// <param name="code"></param>
/// <param name="datalen"></param>
/// <returns></returns>
/// <remarks></remarks>
public static HIDFeatureResult GetHIDFeature(HidDeviceInfo device, int code, int datalen = 16)
{
HIDFeatureResult GetHIDFeatureRet = default;
IntPtr hFile;
hFile = IO.CreateFile(device.DevicePath, IO.GENERIC_READ, IO.FILE_SHARE_READ | IO.FILE_SHARE_WRITE, IntPtr.Zero, IO.OPEN_EXISTING, IO.FILE_ATTRIBUTE_NORMAL, default);
if (hFile == IntPtr.Zero)
{
return(null);
}
GetHIDFeatureRet = GetHIDFeature(hFile, code, datalen);
User32.CloseHandle(hFile);
return(GetHIDFeatureRet);
}
/// <summary>
/// Opens a HID device for access.
/// </summary>
/// <param name="device">The HidDeviceInfo object of the device.</param>
/// <returns>A handle to the open device (close with CloseHid).</returns>
/// <remarks></remarks>
public static IntPtr OpenHid(HidDeviceInfo device)
{
IntPtr OpenHidRet = default;
try
{
OpenHidRet = IO.CreateFile(device.DevicePath, IO.GENERIC_READ, IO.FILE_SHARE_READ | IO.FILE_SHARE_WRITE, IntPtr.Zero, IO.OPEN_EXISTING, IO.FILE_ATTRIBUTE_NORMAL, default);
}
catch
{
return(IntPtr.Zero);
}
return(OpenHidRet);
}