/// <summary>
/// Deactivates tool from system.
/// </summary>
/// <returns>false value if it was not found or already deactivated before, otherwise true.</returns>
public bool unplug()
{
if (mhook == IntPtr.Zero)
{
return(false);
}
LSender.Send(this, $"mhook - {mhook}", Message.Level.Debug);
var ret = NativeMethods.UnhookWindowsHookEx(mhook);
mhook = IntPtr.Zero;
// the system can also automatically deactivate our hook because of big delay from filters.
if (ret == 0)
{
//throw new WinFuncFailException();
LSender.Send(
this,
$"whoops, plugin was already deactivated by system or something went wrong - error {Marshal.GetLastWin32Error()}",
Message.Level.Error
);
}
return(true);
}
/// <summary>
/// Activates tool in system.
/// </summary>
/// <returns>false value if it was already activated before, otherwise true.</returns>
public bool plug()
{
if (mhook != IntPtr.Zero)
{
return(false);
}
llMouseProc = new NativeMethods.LowLevelMouseProc(lowLevelMouseProc); // to protect from GC
mhook = NativeMethods.SetWindowsHookEx
(
WindowsHookId.WH_MOUSE_LL,
llMouseProc,
Marshal.GetHINSTANCE(Assembly.GetExecutingAssembly().ManifestModule),
0
);
if (mhook == IntPtr.Zero)
{
throw new WinFuncFailException();
}
LSender.Send(this, $"mhook + {mhook}", Message.Level.Debug);
return(true);
}
public static extern LRESULT CallNextHookEx(HHOOK hhk, int nCode, WPARAM wParam, LPARAM lParam);
public static extern BOOL UnhookWindowsHookEx(HHOOK hhk);
public static extern IntPtr SetWindowsHookEx(
[In] WH idHook,
[In] HHOOK hookProc,
[In] IntPtr hInstance,
[In] IntPtr dwThreadId
);
