Sets the gtk.types.TreeCellDataFunc to use for the column.
This function is used instead of the standard attributes mapping for setting the column value, and should set the value of tree_column's cell renderer as appropriate. func may be null to remove an older one.
A gtk.cell_renderer.CellRenderer
The gtk.types.TreeCellDataFunc to use.
Deprecated: Use GtkColumnView instead
Sets the gtk.types.TreeCellDataFunc to use for the column.
This function is used instead of the standard attributes mapping for setting the column value, and should set the value of tree_column's cell renderer as appropriate. func may be null to remove an older one.