public bool ReadSerialNumber(out byte[] data)
{
data = new byte[254];
IntPtr hidHandle = IntPtr.Zero;
bool success = false;
try
{
if (IsOpen)
{
hidHandle = Handle;
}
else
{
hidHandle = OpenDeviceIO(_devicePath, NativeMethods.ACCESS_NONE);
}
success = NativeMethods.HidD_GetSerialNumberString(hidHandle, ref data[0], data.Length);
}
catch (Exception exception)
{
throw new Exception(string.Format("Error accessing HID device '{0}'.", _devicePath), exception);
}
finally
{
if (hidHandle != IntPtr.Zero && hidHandle != Handle)
{
CloseDeviceIO(hidHandle);
}
}
return(success);
}
public string readSerial()
{
if (serial != null)
{
return(serial);
}
if (Capabilities.InputReportByteLength == 64)
{
byte[] buffer = new byte[16];
buffer[0] = 18;
readFeatureData(buffer);
serial = String.Format("{0:X02}:{1:X02}:{2:X02}:{3:X02}:{4:X02}:{5:X02}", buffer[6], buffer[5], buffer[4], buffer[3], buffer[2], buffer[1]);
return(serial);
}
else
{
byte[] buffer = new byte[126];
NativeMethods.HidD_GetSerialNumberString(safeReadHandle.DangerousGetHandle(), buffer, (ulong)buffer.Length);
string MACAddr = System.Text.Encoding.Unicode.GetString(buffer).Replace("\0", string.Empty).ToUpper();
MACAddr = String.Format("{0}{1}:{2}{3}:{4}{5}:{6}{7}:{8}{9}:{10}{11}",
MACAddr[0], MACAddr[1], MACAddr[2], MACAddr[3], MACAddr[4],
MACAddr[5], MACAddr[6], MACAddr[7], MACAddr[8],
MACAddr[9], MACAddr[10], MACAddr[11]);
serial = MACAddr;
return(serial);
}
}
public bool ReadSerialNumber(out byte[] data)
{
data = new byte[64];
IntPtr intPtr = IntPtr.Zero;
bool result = false;
try
{
intPtr = OpenDeviceIO(_devicePath, 0u);
result = NativeMethods.HidD_GetSerialNumberString(intPtr, ref data[0], data.Length);
}
catch (Exception innerException)
{
throw new Exception($"Error accessing HID device '{_devicePath}'.", innerException);
}
finally
{
if (intPtr != IntPtr.Zero)
{
CloseDeviceIO(intPtr);
}
}
return(result);
}