private void UninitializePopup()
{
popupControl.ListBoxKeyDown -= ListKeyDown;
popupControl.ListBoxItemDoubleClick -= ListItemDoubleClick;
if (popupControl.IsOpen)
popupControl.IsOpen = false;
popupControl = null;
}
private void InitializePopup(List<TreeNode> source)
{
popupControl = new IntellisensePopup();
popupControl.ViewModel.TreeNodes = new ObservableCollection<TreeNode>(source);
popupControl.PlacementTarget = editorTextBox;
popupControl.Placement = PlacementMode.Bottom;
popupControl.ListBoxKeyDown += ListKeyDown;
popupControl.ListBoxItemDoubleClick += ListItemDoubleClick;
popupControl.IsOpen = true;
}