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| public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
public static bool mouseMoved = false;
public delegate int HookProc(int nCode, IntPtr wParam, IntPtr lParam);
//Declare the hook handle as an int.
static int hHook = 0;
//Declare the mouse hook constant.
//For other hook types, you can obtain these values from Winuser.h in the Microsoft SDK.
public const int WH_MOUSE = 7;
//Declare MouseHookProcedure as a HookProc type.
HookProc MouseHookProcedure;
//Declare the wrapper managed POINT class.
[StructLayout(LayoutKind.Sequential)]
public class POINT
{
public int x;
public int y;
}
//Declare the wrapper managed MouseHookStruct class.
[StructLayout(LayoutKind.Sequential)]
public class MouseHookStruct
{
public POINT pt;
public int hwnd;
public int wHitTestCode;
public int dwExtraInfo;
}
//This is the Import for the SetWindowsHookEx function.
//Use this function to install a thread-specific hook.
[DllImport("user32.dll", CharSet = CharSet.Auto,
CallingConvention = CallingConvention.StdCall)]
public static extern int SetWindowsHookEx(int idHook, HookProc lpfn,
IntPtr hInstance, int threadId);
//This is the Import for the UnhookWindowsHookEx function.
//Call this function to uninstall the hook.
[DllImport("user32.dll", CharSet = CharSet.Auto,
CallingConvention = CallingConvention.StdCall)]
public static extern bool UnhookWindowsHookEx(int idHook);
//This is the Import for the CallNextHookEx function.
//Use this function to pass the hook information to the next hook procedure in chain.
[DllImport("user32.dll", CharSet = CharSet.Auto,
CallingConvention = CallingConvention.StdCall)]
public static extern int CallNextHookEx(int idHook, int nCode,
IntPtr wParam, IntPtr lParam);
private void button2_Click(object sender, System.EventArgs e)
{
Thread ali = new Thread(new ThreadStart(go));
if(hHook == 0)
{
// Create an instance of HookProc.
MouseHookProcedure = new HookProc(Form1.MouseHookProc);
hHook = SetWindowsHookEx(WH_MOUSE,
MouseHookProcedure,
(IntPtr)0,
AppDomain.GetCurrentThreadId());
ali.Start();
//If the SetWindowsHookEx function fails.
if(hHook == 0 )
{
MessageBox.Show("SetWindowsHookEx Failed");
return;
}
button2.Text = "UnHook Windows Hook";
}
else
{
bool ret = UnhookWindowsHookEx(hHook);
ali.Abort();
//If the UnhookWindowsHookEx function fails.
if(ret == false )
{
MessageBox.Show("UnhookWindowsHookEx Failed");
return;
}
hHook = 0;
button2.Text = "Set Windows Hook";
this.Text = "Mouse Hook";
}
}
public static int MouseHookProc(int nCode, IntPtr wParam, IntPtr lParam)
{
//Marshall the data from the callback.
MouseHookStruct MyMouseHookStruct = (MouseHookStruct)Marshal.PtrToStructure(lParam, typeof(MouseHookStruct));
if (nCode < 0)
{
mouseMoved = false;
return CallNextHookEx(hHook, nCode, wParam, lParam);
}
else
{
//Create a string variable that shows the current mouse coordinates.
String strCaption = "x = " +
MyMouseHookStruct.pt.x.ToString("d") +
" y = " +
MyMouseHookStruct.pt.y.ToString("d");
//You must get the active form because it is a static function.
//Form tempForm = Form.ActiveForm;
//Set the caption of the form.
//tempForm.Text = strCaption;
//change the boolean value to true
mouseMoved = true;
return CallNextHookEx(hHook, nCode, wParam, lParam);
}
}
public void go()
{
while (Thread.CurrentThread.IsAlive)
{
Thread.Sleep(10000);
if (!mouseMoved)
{
MessageBox.Show("c'est désactivé");
}
}
}
} |
