gtk/tree_view_column.go
func TreeViewColumnNew() (*TreeViewColumn, error) {
	c := C.gtk_tree_view_column_new()
	if c == nil {
		return nil, nilPtrErr
	}
	return wrapTreeViewColumn(glib.Take(unsafe.Pointer(c))), nil
}
func TreeViewColumnNew() (*TreeViewColumn, error) {
	c := C.gtk_tree_view_column_new()
	if c == nil {
		return nil, nilPtrErr
	}
	return wrapTreeViewColumn(glib.Take(unsafe.Pointer(c))), nil
}
// TreeViewColumnNew() is a wrapper around gtk_tree_view_column_new().