+ m_cols.Append( col );
+
+ gtk_tree_view_append_column( GTK_TREE_VIEW(m_treeview),
+ GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) );
+
+ return true;
+}
+
+unsigned int wxDataViewCtrl::GetColumnCount() const
+{
+ return m_cols.GetCount();
+}
+
+wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
+{
+ GtkTreeViewColumn *gtk_col = gtk_tree_view_get_column( GTK_TREE_VIEW(m_treeview), pos );
+ if (!gtk_col)
+ return NULL;
+
+ wxDataViewColumnList::const_iterator iter;
+ for (iter = m_cols.begin(); iter != m_cols.end(); iter++)
+ {
+ wxDataViewColumn *col = *iter;
+ if (GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) == gtk_col)
+ {
+ return col;
+ }
+ }
+
+ return NULL;
+}
+
+bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
+{
+ gtk_tree_view_remove_column( GTK_TREE_VIEW(m_treeview),
+ GTK_TREE_VIEW_COLUMN(column->GetGtkHandle()) );
+
+ m_cols.remove( column );