GtkCellView
. If the path is unset, then the
contents of the cellview "stick" at their last value;
this is not normally a desired result, but may be
a needed intermediate state if say, the model for
the GtkCellView
becomes temporarily empty.gtkCellViewSetDisplayedRow(object, path = NULL)
object
path
GtkTreePath
or NULL
to unset. [ allow-none ]