void MainWindow::OnFileOpen (wxCommandEvent &event)
{
    DisplayCode dialog (this, -1, "Code Listing");
    
    wxListCtrl *codeListing = (wxListCtrl*)FindWindow (ID_LISTCTRL);
    
    codeListing->InsertColumn (0, "Line", wxLIST_FORMAT_LEFT, 100);
    codeListing->InsertColumn (1, "Executed", wxLIST_FORMAT_LEFT, 100);
    codeListing->InsertColumn (2, "Code", wxLIST_FORMAT_LEFT, 375);
    codeListing->SetTextColour (*wxRED);
    
    int result = codeListing->InsertItem (5, "TEeeeeeee");        // DOESN'T SEEM TO WORK
    
    codeListing->SetItem (0, 0, "Test", -1);
	
    dialog.ShowModal ();
	
    wxString temp;
    //temp += wxString::Format("%d", codeListing->GetItemCount ());
    temp += wxString::Format("%d", result);
    wxMessageBox(temp, "Heading", wxOK | wxICON_INFORMATION, this);

    // I am getting an output of 5 being displayed in the message box above....this seems correct
    // .... see the codeListing-InsertItem (5......) line......but nothing is being displayed in the ListCtrl
	
}