CommentForm.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using be.gaudry.view;
 
namespace be.gaudry.bibliobrol.view.dialogs
{
    /// <summary>
    /// To display comments from bibliobrol users, and allow to post a new comment
    /// </summary>
    public partial class CommentForm : MDIChildForm
    {
        /// <summary>
        /// Build a form to display comments from bibliobrol users, and allow to post a new comment
        /// </summary>
        public CommentForm()
        {
            InitializeComponent();
            if (IsConnected())
                commentWB.Visible = true;
            else
            {
                commentWB.Visible = true;
                infoLbl.Text = "Impossible de se connecter à Internet";
                infoLbl.Visible = true;
            }
        }
 
 
        //declaration of API to use
        [DllImport("wininet.dll")]
        private extern static bool InternetGetConnectedState(out int Description, int ReservedValue);
 
        /// <summary>
        /// Allow to know if an Internet connection is available
        /// </summary>
        /// <returns>true if a connection is available</returns>
        public static bool IsConnected()
        {
            int Desc;
            return InternetGetConnectedState(out Desc, 0);
        }
    }
}