int n = m_refFileSelection->count_selected_rows ();
if ( n == 1 ) {
Gtk::TreeIter iter = m_refFileSelection->get_selected ();
if ( iter ) {
m_refFileSelection->unselect ( iter );
}
}
and
int n = m_refFileSelection->count_selected_rows ();
if ( n != 0 ) {
m_refFileSelection->unselect_all ();
}
Both of these code snippets generate the following two error messages:
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