wxMDIParentFrame* parent = (wxMDIParentFrame*) GetParent();
GtkNotebook* notebook = GTK_NOTEBOOK(parent->m_widget);
gint pageno = gtk_notebook_page_num( notebook, m_widget );
wxMDIParentFrame* parent = (wxMDIParentFrame*) GetParent();
GtkNotebook* notebook = GTK_NOTEBOOK(parent->m_widget);
gint pageno = gtk_notebook_page_num( notebook, m_widget );