private void Window_Loaded(object sender, RoutedEventArgs e)
{
_windowGetter = new BackgroundWorker();
_windowGetter.DoWork += new DoWorkEventHandler(_windowGetter_DoWork);
_windowGetter.RunWorkerAsync();
_windowHiglight = new WindowHighlight();
_windowHiglight.Owner = this;
_updateUI = new UpdateDel(UpdateUI);
_mousehook = new LowLevelMouseHook("low level mouse hook");
_mousehook.OnMouseMove += new EventHandler <System.Windows.Forms.MouseEventArgs>(_mousehook_OnMouseMove);
_mousehook.OnMouseDown += new EventHandler <System.Windows.Forms.MouseEventArgs>(_mousehook_OnMouseDown);
_mousehook.Install();
}