Constructor
Gtk.PropertyExpression.new
Declaration [src]
GtkExpression*
gtk_property_expression_new (
  GType this_type,
  GtkExpression* expression,
  const char* property_name
)
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 named
property_name will be queried. Otherwise, this expression’s
evaluation will fail.
The given this_type must have a property with property_name.
Parameters
| this_type | GType | 
| The type to expect for the this type | |
| expression | GtkExpression | 
| Expression to
  evaluate to get the object to query or  | |
| Can be NULL | |
| Ownership of the data is transferred to the callee | |
| property_name | const char* | 
| name of the property | |
| Ownership is not transferred to the callee | |
| The string is a NUL terminated UTF-8 string | 
Return value
| Returns: GtkPropertyExpression | |
| a new  | |
| Ownership of the data is transferred to the caller | |