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| using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Security;
namespace HookSouris
{
public partial class Form1 : Form
{
#region Win32
[StructLayout(LayoutKind.Sequential)]
private struct MSLLHOOKSTRUCT
{
public int X;
public int Y;
public int Data;
public int Flags;
public int Time;
public UIntPtr Extra;
}
[DllImport("user32.dll", SetLastError = true), SuppressUnmanagedCodeSecurity]
private static extern IntPtr SetWindowsHookEx(int hook, HookProc callback, IntPtr module, uint threadID);
[DllImport("user32.dll", SetLastError = true), SuppressUnmanagedCodeSecurity]
private static extern bool UnhookWindowsHookEx(IntPtr hHook);
[DllImport("user32.dll"), SuppressUnmanagedCodeSecurity]
private static extern IntPtr CallNextHookEx(IntPtr hHook, int code, UIntPtr wParam, IntPtr lParam);
private delegate IntPtr HookProc(int code, UIntPtr wParam, IntPtr lParam);
private const int WH_MOUSE_LL = 14;
private const int HC_ACTION = 0;
#endregion Win32
private IntPtr hHook = IntPtr.Zero;
private HookProc hookProc = null;
public Form1()
{
InitializeComponent();
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
hookProc = new HookProc(LowLevelMouseProc);
hHook = SetWindowsHookEx(WH_MOUSE_LL, hookProc, Marshal.GetHINSTANCE(this.GetType().Module), 0);
if (hHook == IntPtr.Zero) // Le hook ne s'installe pas en mode DEBUG.
MessageBox.Show("Impossible d'installer le hook.", "Erreur");
}
protected override void OnFormClosed(FormClosedEventArgs e)
{
base.OnFormClosed(e);
if (hHook != IntPtr.Zero)
{
if (!UnhookWindowsHookEx(hHook))
MessageBox.Show("Impossible de désinstaller le hook.", "Erreur");
hHook = IntPtr.Zero;
hookProc = null;
}
}
private IntPtr LowLevelMouseProc(int code, UIntPtr wParam, IntPtr lParam)
{
if (code == HC_ACTION)
{
unsafe
{
MSLLHOOKSTRUCT* p = (MSLLHOOKSTRUCT*)lParam;
Point screenPos = new Point(p->X, p->Y);
Point clientPos = this.PointToClient(screenPos);
this.Text = screenPos + " - " + clientPos; // Pour l'exemple.
}
}
return CallNextHookEx(hHook, code, wParam, lParam);
}
private void Form1_Load(object sender, EventArgs e)
{
// L'icône de not_zero est celle de l'application.
this.notifyIcon1.Icon = this.Icon;
}
private void btnMessage_Click(object sender, EventArgs e)
{
// Icône information de Windows.
this.notifyIcon1.BalloonTipIcon = ToolTipIcon.Info;
// Titre du message.
this.notifyIcon1.BalloonTipTitle = "NotifyZero";
// Corps du message.
this.notifyIcon1.BalloonTipText = "Ceci est un message de NotifyZero";
// On affiche le message indéfiniment.
this.notifyIcon1.ShowBalloonTip(0);
}
private void btnErreur_Click(object sender, EventArgs e)
{
// Icône information de Windows.
this.notifyIcon1.BalloonTipIcon = ToolTipIcon.Error;
// Titre du message.
this.notifyIcon1.BalloonTipTitle = "NotifyZero";
// Corps du message.
this.notifyIcon1.BalloonTipText = "Une erreur est survenue dans NotifyZero";
// On affiche le message indéfiniment.
this.notifyIcon1.ShowBalloonTip(9000);
}
private void quitterToolStripMenuItem_Click(object sender, EventArgs e)
{
// Quitte le programme
this.Close();
}
private void btnCacher_Click(object sender, EventArgs e)
{
// Cache la winform
this.Hide();
}
}
} |
