private void listBoxLocalAddr_SelectedIndexChanged(object sender, EventArgs e)
{
if (this.listBoxConnName.Items.Count > this.listBoxLocalAddr.SelectedIndex)
this.listBoxConnName.SelectedIndex = this.listBoxLocalAddr.SelectedIndex;
if (this.listBoxIPAddress.Items.Count > this.listBoxLocalAddr.SelectedIndex)
this.listBoxIPAddress.SelectedIndex = this.listBoxLocalAddr.SelectedIndex;
if (this.listBoxPort.Items.Count > this.listBoxLocalAddr.SelectedIndex)
this.listBoxPort.SelectedIndex = this.listBoxLocalAddr.SelectedIndex;
}