fCraft.ConfigGUI.MainForm.tIP_Validating C# (CSharp) Метод

        private void tIP_Validating( object sender, CancelEventArgs e )
        {
            IPAddress IP;
            if ( Server.IsIP( tIP.Text ) && IPAddress.TryParse( tIP.Text, out IP ) ) {
                tIP.ForeColor = SystemColors.ControlText;
            } else {
                tIP.ForeColor = System.Drawing.Color.Red;
                e.Cancel = true;
            }
        }