DependencyProperty Value Inheritance equivalent in UWP

Asked Apr 15 '17 at 10:20

Active Apr 15 '17 at 10:20

Viewed 411 times

Given a Visual Tree in WPF, it is possible to specify that AttachedProperties are inherited as follows:

public static class MyClass 
{
    public static readonly DependencyProperty FooProperty = 
        DependencyProperty.RegisterAttached(
            "Foo", typeof(string), typeof(MyClass),
            new FrameworkPropertyMetadata(
                "AString",
                FrameworkPropertyMetadataOptions.Inherits));
}

In UWP there is no FrameworkPropertyMetadata and hence you cannot specify FrameworkPropertyMetadataOptions.Inherits.

I had hoped the default behaviour would be to inherit DependencyProperty values but it is not.

Is there any equivalent in UWP to allow inheritance of DependencyProperty values?

asked Apr 15 '17 at 10:20

Dr. Andrew Burnett-Thompson

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I'm afraid there is no equivalent in UWP. Designating a property as inheritable does have some performance considerations. This maybe why it's not available in UWP. – Scavenger Apr 20 '17 at 11:48
Booo... OK thanks for info. Hopefully they will add it. – Dr. Andrew Burnett-Thompson Apr 24 '17 at 14:16
1

Just found this UWP limitation in 2017, not possible to create custom Dependency/Attached Properties with inheritance just does not make sense. – Martin Suchan Sep 21 '17 at 09:14
1

That's not all @MartinSuchan. You also can't create bindings - at all - in a style setter. It beggars belief Microsoft created this framework with so many things missing. – Dr. Andrew Burnett-Thompson Sep 21 '17 at 12:41

DependencyProperty Value Inheritance equivalent in UWP

0 Answers0