private void button1_Click(object sender, EventArgs e)
        {
            OpenFileDialog openFileDialog = new OpenFileDialog();

            if (openFileDialog.ShowDialog() == DialogResult.OK)
            {
                perceptron = LoadFile(openFileDialog.FileName);
                if (LoadFile(openFileDialog.FileName) == null)
                {
                    MessageBox.Show("f**k");
                }
            }
        }
        public Backpropagation.Perceptron LoadFile(string fileName)
        {
            FileStream fileStream = null;

            Backpropagation.Perceptron p = null;
            try
            {
                fileStream = new FileStream(fileName, FileMode.Open, FileAccess.Read);
                BinaryFormatter deserializer = new BinaryFormatter();
                p = (Backpropagation.Perceptron)deserializer.Deserialize(fileStream);
            }
            catch (Exception e)
            {
                Console.WriteLine("There's been an error. Here is the message: " + e.Message);
            }
            finally
            {
                if (fileStream != null)
                {
                    fileStream.Close();
                }
            }
            return(p);
        }