SampleApp.MainForm.addGesture C# (CSharp) Method

        private void addGesture()
        {
            string selectedItem = cbClasses.SelectedItem as String;
            string classLabel = String.IsNullOrEmpty(selectedItem) ?
                cbClasses.Text : selectedItem;

            if (database.Add(canvas.GetSequence(), classLabel) != null)
            {
                canvas.Clear();

                if (database.Classes.Count >= 2 &&
                    database.SamplesPerClass() >= 3)
                    btnLearnSVM.Enabled = true;

                panelUserLabeling.Visible = false;
            }
        }