SampleApp.MainForm.inputCanvas_MouseUp C# (CSharp) Method

        private void inputCanvas_MouseUp(object sender, MouseEventArgs e)
        {
            double[] input = Sequence.Preprocess(canvas.GetSequence()).Merge(2);

            if (input.Length < 5)
            {
                panelUserLabeling.Visible = false;
                panelClassification.Visible = false;
                return;
            }

            if (svm == null)
            {
                panelUserLabeling.Visible = true;
                panelClassification.Visible = false;
            }

            else
            {
                int index = svm.Compute(input);

                string label = database.Classes[index];
                lbHaveYouDrawn.Text = String.Format("Have you drawn a {0}?", label);
                panelClassification.Visible = true;
                panelUserLabeling.Visible = false;
                cbClasses.SelectedItem = label;
            }
        }