Snoop.SnoopUI.HandlePreProcessInput C# (CSharp) Method

        private void HandlePreProcessInput(object sender, PreProcessInputEventArgs e)
        {
            this.OnPropertyChanged("CurrentFocus");

            ModifierKeys currentModifiers = InputManager.Current.PrimaryKeyboardDevice.Modifiers;
            if (!((currentModifiers & ModifierKeys.Control) != 0 && (currentModifiers & ModifierKeys.Shift) != 0))
                return;

            Visual directlyOver = Mouse.PrimaryDevice.DirectlyOver as Visual;
            if ((directlyOver == null) || directlyOver.IsDescendantOf(this))
                return;

            VisualTreeItem node = this.FindItem(directlyOver);
            if (node != null)
                this.CurrentSelection = node;
        }