Sets the #GtkCellLayoutDataFunc to use for cell_layout.
This function is used instead of the standard attributes mapping
for setting the column value, and should set the value of cell_layout’s
cell renderer(s) as appropriate.
func may be null to remove a previously set function.
Sets the #GtkCellLayoutDataFunc to use for cell_layout.
This function is used instead of the standard attributes mapping for setting the column value, and should set the value of cell_layout’s cell renderer(s) as appropriate.
func may be null to remove a previously set function.