Constructor
Gtk.PropertyExpression.new_for_pspec
Declaration [src]
GtkExpression*
gtk_property_expression_new_for_pspec (
  GtkExpression* expression,
  GParamSpec* pspec
)
Description [src]
Creates an expression that looks up a property via the
given expression or the this argument when expression
is NULL.
If the resulting object conforms to this_type, its
property specified by pspec will be queried.
Otherwise, this expression’s evaluation will fail.
Parameters
| expression | GtkExpression | 
| Expression to
  evaluate to get the object to query or  | |
| Can be NULL | |
| Ownership of the data is transferred to the callee | |
| pspec | GParamSpec* | 
| the  | |
| Ownership is not transferred to the callee | 
Return value
| Returns: GtkPropertyExpression | |
| a new  | |
| Ownership of the data is transferred to the caller | |