AsterixDisplayAnalyser.FrmConnectionSettings.btnRemove_Click C# (CSharp) Метод

        private void btnRemove_Click(object sender, EventArgs e)
        {
            // Code to remove the selected value from the list
            if (this.listBoxConnName.Items.Count > 0)
            {
                int IndexToDelete = this.listBoxConnName.SelectedIndex;

                this.listBoxConnName.Items.RemoveAt(IndexToDelete);
                this.listBoxLocalAddr.Items.RemoveAt(IndexToDelete);
                this.listBoxIPAddress.Items.RemoveAt(IndexToDelete);
                this.listBoxPort.Items.RemoveAt(IndexToDelete);

                if (this.listBoxConnName.Items.Count > 0)
                {
                    this.listBoxConnName.SelectedIndex = this.listBoxConnName.Items.Count - 1;
                    this.buttonSetAsActive.Enabled = true;
                }
            }

            // The last thing is to check if there is anything in the list, if so then enable the button
            // to allow setting an active multicast address
            if (this.listBoxConnName.Items.Count == 0)
                this.buttonSetAsActive.Enabled = false;
        }