AForge.Video.Ximea.XimeaCamera.Close C# (CSharp) Method

        public void Close( )
        {
            lock ( sync )
            {
                if ( deviceHandle != IntPtr.Zero )
                {
                    if ( isAcquisitionStarted )
                    {
                        try
                        {
                            StopAcquisition( );
                        }
                        catch
                        {
                        }
                    }

                    try
                    {
                        int errorCode = XimeaAPI.xiCloseDevice( deviceHandle );
                        HandleError( errorCode );
                    }
                    finally
                    {
                        deviceHandle = IntPtr.Zero;
                    }
                }
            }
        }

        // Free resources
        private void Free()
        {
            lock (sync)
            {
                thread = null;

                // release events
                if (stopEvent != null)
                {
                    stopEvent.Close();
                    stopEvent = null;
                }

                camera.Close();
            }
        }