// **************************************************************
// **************************************************************
// Handles the hook event
private void CbtHookInvoked(object sender, HookEventArgs e)
{
CbtHookAction code = (CbtHookAction)e.HookCode;
IntPtr wParam = e.wParam;
IntPtr lParam = e.lParam;
// Handle hook events (only a few of available actions)
switch (code)
{
case CbtHookAction.HCBT_CREATEWND:
HandleCreateWndEvent(wParam, lParam);
break;
case CbtHookAction.HCBT_DESTROYWND:
HandleDestroyWndEvent(wParam, lParam);
break;
case CbtHookAction.HCBT_ACTIVATE:
HandleActivateEvent(wParam, lParam);
break;
}
return;
}
private IntPtr CbtWindowsHookProc(CbtHookAction code, IntPtr wParam, IntPtr lParam)
{
if (code == CbtHookAction.HCBT_SETFOCUS)
{
SendFocusChangeNotification(wParam, lParam);
}
return(User32.CallNextHookEx(IntPtr.Zero, code, wParam, lParam));
}
public static extern IntPtr CallNextHookEx(IntPtr hhk, CbtHookAction code, IntPtr wParam, IntPtr lParam);
