public bool ReadProduct(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_GetProductString(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);
}
private string ReadProductString()
{
byte[] data = new byte[254];
IntPtr hidHandle = IntPtr.Zero;
bool success = false;
try
{
if (IsOpen && IsConnected)
{
hidHandle = ReadHandle;
}
else
{
hidHandle = OpenDeviceIO(_devicePath, NativeMethods.ACCESS_NONE);
}
success = NativeMethods.HidD_GetProductString(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 != ReadHandle)
{
CloseDeviceIO(hidHandle);
}
}
return(Encoding.Unicode.GetString(data).TrimEnd('\0'));
}
public bool ReadProduct(out byte[] data)
{
data = new byte[64];
IntPtr intPtr = IntPtr.Zero;
bool result = false;
try
{
intPtr = OpenDeviceIO(_devicePath, 0u);
result = NativeMethods.HidD_GetProductString(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);
}
