DND_Monster.AddActionForm.FillActionOnTabChange C# (CSharp) Méthode

        private void FillActionOnTabChange(object sender, EventArgs e)
        {
            if (tabControl1.SelectedIndex == 1)
            {
                try
                {
                    Ability Attack = new Ability();
                    Attack.attack = new Attack(
                        AttackTypeDropdown.Text,
                        AttackBonusUpDown.Value.ToString(),
                        (int)ReachUpDown.Value,
                        (int)RangeUpDownClose.Value,
                        (int)RangeUpDownFar.Value,
                        AttackTargetField.Text,
                        AverageDamage((int)HitNumberOfDice.Value, HitDiceType.Text, (int)HitDiceBonusDamage.Value),
                        (int)HitNumberOfDice.Value,
                        diceSize(HitDiceType.Text),
                        (int)HitDiceBonusDamage.Value,
                        HitDamageType.Text,
                        HitDamageEffect.Text);

                    Attack.Title = AttackNameField.Text;
                    Attack.isDamage = true;
                    Attack.isSpell = false;

                    AttackAbilityDescriptionField.Text = Attack.attack.TextDescribe().Replace("*", "");
                    AttackAbilityNameField.Text = Attack.attack._Attack;
                }

                catch
                {

                }
            }

            if (tabControl1.SelectedIndex == 2)
            {
                int numberOfAttacks = 0;
                foreach (Ability attack in Monster._Actions)
                {
                    if (attack.isDamage)
                    {
                        numberOfAttacks++;
                    }
                }
                multiAttackDescription.Text = "The " + Monster.CreatureName + " makes " + numberOfAttacks + " attacks.";
            }
        }