Declaration [src]

gtk_expression_evaluate (
  GtkExpression* self,
  GObject* this_,
  GValue* value

Description [src]

Evaluates the given expression and on success stores the result in value.

The GType of value will be the type given by gtk_expression_get_value_type().

It is possible that expressions cannot be evaluated - for example when the expression references objects that have been destroyed or set to NULL. In that case value will remain empty and FALSE will be returned.


this_ GObject

The this argument for the evaluation.

 The argument can be NULL.
 The data is owned by the caller of the function.
value GValue

An empty GValue

 The data is owned by the caller of the function.

Return value

Returns: gboolean

TRUE if the expression could be evaluated.