Symphonary.NWGUI.UpdateFingeringDisplay C# (CSharp) Method

        private void UpdateFingeringDisplay(object sender, EventArgs e)
        {
            for (int i = 0; i < r_instrument.Length; i++) {
                r_instrument[i].BorderThickness = new Thickness(0, 0, 7, 0);
                tb_instrument[i].FontSize = 40;
                tb_instrument[i].FontWeight = FontWeights.SemiBold;
                tb_instrument[i].TextAlignment = TextAlignment.Right;
            }

            // instrument is violin
            if (instrument == 41) {
                for (int i = 0; i < r_instrument.Length; i++) {
                    try {
                        if (score.s_CurrentFingering.Length == 4)
                            tb_instrument[i].Text = Convert.ToString(score.s_CurrentFingering[i]);
                    } catch (Exception ex) { }
                }
            }
            else if (instrument >= 25 && instrument <= 32) {
                for (int i = 0; i < r_instrument.Length; i++) {
                    try {
                        if (score.s_CurrentFingering.Length == 6)
                        {
                            //debugConsole.AddText(score.s_CurrentFingering); //commented out due to massive performance hit
                            int temp = System.Convert.ToInt32(score.s_CurrentFingering[5 - i] - 'A');
                            tb_instrument[i].Text = Convert.ToString(temp);
                        }
                    } catch (Exception ex) { }
                }
            }
        }