ExpressionWatch

Object Hierarchy:

Gtk.ExpressionWatch Gtk.ExpressionWatch Gtk.ExpressionWatch

Description:

[ CCode ( ref_function = "gtk_expression_watch_ref" , type_id = "gtk_expression_watch_get_type ()" , unref_function = "gtk_expression_watch_unref" ) ]
public class ExpressionWatch

An opaque structure representing a watched `GtkExpression`.

The contents of `GtkExpressionWatch` should only be accessed through the provided API.


Namespace: Gtk
Package: gtk4

Content:

Creation methods:

Methods:

  • public unowned ExpressionWatch @ref ()
    Acquires a reference on the given `GtkExpressionWatch`.
  • public bool evaluate (Value value)
    Evaluates the watched expression and on success stores the result in `value`.
  • public void unref ()
    Releases a reference on the given `GtkExpressionWatch`.
  • public void unwatch ()
    Stops watching an expression.