Constructor
GtkPropertyExpressionnew
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.
The object to use is found by evaluating the expression,
or using 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  | |
| The argument can be NULL. | |
| The called function takes ownership of the data, and is responsible for freeing it. | |
| property_name | const char* | 
| Name of the property. | |
| The data is owned by the caller of the function. | |
| The value is a NUL terminated UTF-8 string. | 
Return value
| Returns: | GtkPropertyExpression | 
| A new  | |
| The caller of the function takes ownership of the data, and is responsible for freeing it. |