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/*
lanuage c#
date:2012/3/10
builder:charlie
mouse hook
*/
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.Diagnostics;
using System.Reflection;
using System.Threading;
namespace myhook
{
public partial class Form1 : Form
{
#region const
private int mousehook = 0;
private const int WH_LBUTTONDOWN = 0x201;
private const int WM_RBUTTONDOWN = 0x204;
private const int WH_MOUSE_LL = 14;
private const int WM_MOUSEWHEEL = 0x020A;
#endregion
#region delegate
/// <summary>
/// Hookproc is a pointer to application-defined or library-defined callback function
/// </summary>
/// <param name="nCode"></param>
/// if nCode is greater than zero, than hook procees.
/// else it will pass a messge to the CallNextHookEx function, and return the value it returns.
/// <param name="wParam"></param>
/// specifies whether the message was sent by the current thread.
/// <param name="lParam"></param>
/// Pointer to a CWPSTRUCT structure that contains details about the message
/// <returns></returns>
public delegate int HookProc(int nCode, int wParam, IntPtr lParam);
private HookProc MouseHookProcedure;
#endregion
#region api
//find window
[DllImport("user32.dll", EntryPoint = "FindWindow")]
public static extern int FindWindow(
string lpClassName,
string lpWindowName
);
//get window
[DllImport("user32.dll", EntryPoint = "GetWindowRect")]
public static extern int GetWindowRect(
int hwnd,
ref Rectangle lpRect
);
//install hook
[DllImport("user32.dll")]
public static extern int SetWindowsHookEx(
int idHook,
HookProc lpfn,
IntPtr hInstance,
int threadId
);
//uninstall hook
[DllImport("user32.dll", EntryPoint = "UnhookWindowsHookEx")]
public static extern bool UnhookWindowsHookEx(
int hHook
);
//next hook
[DllImport("user32.dll")]
public static extern int CallNextHookEx(
int idHook,
int nCode,
int wParam,
IntPtr lParam
);
//hook id
[DllImport("kernel32.dll")]
public static extern int GetCurrentThreadId();
//handle
[DllImport("kernel32.dll")]
public static extern IntPtr GetModuleHandle(string name);
//mouse structure
[StructLayout(LayoutKind.Sequential)]
public struct MOUSEHOOKSTRUCT
{
public Point pt;
public int hwnd;
public int wHitTestCode;
public int dwExtraInfo;
}
#endregion
#region events
public Form1()
{
InitializeComponent();
}
private void StartmouseHook()
{
mousehook = SetWindowsHookEx(WH_MOUSE_LL, MouseHookProcedure, GetModuleHandle(Process.GetCurrentProcess().MainModule.ModuleName), 0);
}
private void StopmouseHook()
{
bool stop = true;
stop = UnhookWindowsHookEx(mousehook);
}
private int MouseHookProc(int nCode, int wParam, IntPtr lParam)
{
if (nCode >= 0)
{
MOUSEHOOKSTRUCT mouse = (MOUSEHOOKSTRUCT)Marshal.PtrToStructure(lParam, typeof(MOUSEHOOKSTRUCT));
label1.Text = "x=" + mouse.pt.X+""+"y="+mouse.pt.Y;
if (wParam == WM_RBUTTONDOWN || wParam == WH_MOUSE_LL || wParam == WH_LBUTTONDOWN)
{
return 1;
}
}
return CallNextHookEx(mousehook, nCode, wParam, lParam);
}
private void Form1_Load(object sender, EventArgs e)
{
MouseHookProcedure = new HookProc(MouseHookProc);
this.StartmouseHook();
}
private void button_start_Click(object sender, EventArgs e)
{
if (textbox_1.Text == "robinho04")
{
this.StopmouseHook();
this.Close();
}
}
private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
}
#endregion
}
}
