#define nullptr NULL

bool EditorManager::OnCancelClose(Value val) {
	int i = tabFiles.GetCursor();
	if (i == -1)
		return true;
	
	if (IsChanged(i)) {
		BeepQuestion();
		String fn = DeQtf(tabFiles[i].key.ToString());
		DUMP(tabFiles.GetHighlight());
		int save = PromptSaveDontSaveCancel("[ph The following file was changed since last save:&-|[* " + fn + "]&Would you like to save it?]");
		DUMP(tabFiles.GetHighlight());
		if (save == 1)
			Save(i);
		else if (save == -1)
			return true;
	}
		
	return false;
}

void TabBar::MiddleDown(Point p, dword keyflags)
{
	if (highlight >= 0)
	{
		Value v = tabs[highlight].key;
		ValueArray vv;
		vv.Add(v);
		int highlightBack = highlight;
		if (!CancelClose(v) && ! CancelCloseSome(vv)) {
			Value v = tabs[highlightBack].key;
			// 2014/03/06 - FIRST the callbacks, THEN remove the tab
			// otherwise keys in WhenCloseSome() are invalid
			WhenClose(v);
			WhenCloseSome(vv);
			TabClosed(v);
			Close(highlightBack);
		}
	}
}

You method with GetCurrentCtrl, pointers and memory management is a bit not U++ enough for me.