Beispiel #1
0
        /// <summary>
        /// Creates a binding on a <see cref="Parameter"/>.
        /// </summary>
        /// <param name="target">The target to which the message is applied.</param>
        /// <param name="parameter">The parameter object.</param>
        /// <param name="elementName">The name of the element to bind to.</param>
        /// <param name="path">The path of the element to bind to.</param>
        /// <param name="bindingMode">The binding mode to use.</param>
        public static void BindParameter(FrameworkElement target, Parameter parameter, string elementName, string path, BindingMode bindingMode)
        {
            var element = elementName == "$this"
                ? target
                : BindingScope.GetNamedElements(target).FindName(elementName);

            if (element == null)
            {
                return;
            }

            if (string.IsNullOrEmpty(path))
            {
                path = ConventionManager.GetElementConvention(element.GetType()).ParameterProperty;
            }

            var binding = new Binding(path)
            {
                Source = element,
                Mode   = bindingMode
            };

#if SILVERLIGHT && !SL5
            var expression = (BindingExpression)BindingOperations.SetBinding(parameter, Parameter.ValueProperty, binding);

            var field = element.GetType().GetField(path + "Property", BindingFlags.Public | BindingFlags.Static | BindingFlags.FlattenHierarchy);
            if (field == null)
            {
                return;
            }

            ConventionManager.ApplySilverlightTriggers(element, (DependencyProperty)field.GetValue(null), x => expression, null, null);
#else
            binding.UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged;
            BindingOperations.SetBinding(parameter, Parameter.ValueProperty, binding);
#endif
        }