{filelink=15688}

using System;
using System.Windows.Forms;

public class BloquerMessageFilterSouris : IMessageFilter
{
    const int WM_LBUTTONDOWN = 0x201;

    public bool PreFilterMessage(ref Message m)
	{
        if(m.Msg == WM_LBUTTONDOWN)
        {
            Console.WriteLine("Le bouton Gauche de la souris est Appuyé.");
            Application.RemoveMessageFilter(this);
            return true;
        }
        return false;
    }
}

public class MonInterface : Form
{
    public static void Main()
    {
        MonInterface MyForm = new MonInterface();
        BloquerMessageFilterSouris MsgFilter = new BloquerMessageFilterSouris();

        Application.AddMessageFilter(MsgFilter);
        Application.Run(MyForm);
    }

    public MonInterface()
    {
        Text = "Exemple supression Message Filter";
    }
}