public override object ProvideValue(IServiceProvider serviceProvider)
{
IProvideValueTarget target = serviceProvider.GetService(typeof(IProvideValueTarget)) as IProvideValueTarget;
DependencyObject targetObject;
DependencyProperty targetProperty;
if (target != null && target.TargetObject is DependencyObject && target.TargetProperty is DependencyProperty)
{
targetObject = (DependencyObject)target.TargetObject;
targetProperty = (DependencyProperty)target.TargetProperty;
}
else
{
return(this); // magic
}
// Bind the Param1 to attached property Param1BindingSinkProperty
BindingOperations.SetBinding(targetObject, ParameterTemplateSelectorMarkupExtension.BindingSinkProperty, DictionaryBinding);
// Now you can use Param1
// Param1 direct access example:
IParameterTemplateDictionary param1Value = (IParameterTemplateDictionary)targetObject.GetValue(BindingSinkProperty);
// Param1 use in binding example:
var param1InnerBinding = new Binding()
{
Source = targetObject, Path = new PropertyPath("(0).SomeInnerProperty", BindingSinkProperty)
}; // binding to Param1.SomeInnerProperty
var binding = param1InnerBinding.ProvideValue(serviceProvider); // return binding to Param1.SomeInnerProperty
return(new ParameterTemplateSelector(param1Value));
}
public ParameterTemplateSelector(IParameterTemplateDictionary dictionary)
{
this.dictionary = dictionary;
}
