EventAI_Creator.EventControl.EventTypeCBox_SelectedIndexChanged C# (CSharp) Method

        private void EventTypeCBox_SelectedIndexChanged(object sender, EventArgs e)
        {
            toolTip.SetToolTip((sender as ComboBox),Info.EventListInfo[this.EventTypeCBox.SelectedIndex, 5]);
            if(Info.EventListInfo[this.EventTypeCBox.SelectedIndex,1] == "")
            {
                this.lblevParam1.Text = "Param 1";
                this.EventParam1.Text = "0";
                this.EventParam1.Enabled = false;
            }
            else
            {
                this.lblevParam1.Text = Info.EventListInfo[this.EventTypeCBox.SelectedIndex,1];
                this.EventParam1.Text = "0";
                this.EventParam1.Enabled = true;
            }
            if (Info.EventListInfo[this.EventTypeCBox.SelectedIndex, 2] == "")
            {
                this.lblevParam2.Text = "Param 2";
                this.EventParam2.Text = "0";
                this.EventParam2.Enabled = false;
            }
            else
            {
                this.lblevParam2.Text = Info.EventListInfo[this.EventTypeCBox.SelectedIndex, 2];
                this.EventParam2.Text = "0";
                this.EventParam2.Enabled = true;
            }
            if (Info.EventListInfo[this.EventTypeCBox.SelectedIndex, 3] == "")
            {
                this.lblevParam3.Text = "Param 3";
                this.EventParam3.Text = "0";
                this.EventParam3.Enabled = false;
            }
            else
            {
                this.lblevParam3.Text = Info.EventListInfo[this.EventTypeCBox.SelectedIndex, 3];
                this.EventParam3.Text = "0";
                this.EventParam3.Enabled = true;
            }
            if (Info.EventListInfo[this.EventTypeCBox.SelectedIndex, 4] == "")
            {
                this.lblevParam4.Text = "Param 4";
                this.EventParam4.Text = "0";
                this.EventParam4.Enabled = false;
            }
            else
            {
                this.lblevParam4.Text = Info.EventListInfo[this.EventTypeCBox.SelectedIndex, 4];
                this.EventParam4.Text = "0";
                this.EventParam4.Enabled = true;
            }

            // Costumize Spell hit
            if (EventTypeCBox.SelectedIndex == 8)
            {
                this.EventParam2.Width = 50;
                this.button_spell_mask.Visible = true;
            }
            else
            {
                this.EventParam2.Width = 100;
                this.button_spell_mask.Visible = false;
            }

            // Costumize AI event receive
            if (EventTypeCBox.SelectedIndex == 30)
            {
                EventParam1ComboBox.Visible = true;
                EventParam1ComboBox.Items.AddRange(Info.AIEvents);
                EventParam1ComboBox.SelectedIndex = 0;
                EventParam1ComboBox.DropDownStyle = ComboBoxStyle.DropDownList;
                EventParam1ComboBox.DropDownWidth = DropDownWidth(EventParam1ComboBox);
                EventParam1.Visible = false;
            }
            else
            {
                this.EventParam1ComboBox.Visible = false;
            }

            if (!locked)
                GetEventData();
        }