Binding Border.StrokeShape RoundRectangle CornerRadius not working

[AlleSchonWeg]

Description

Hi,
if you bind then CornerRadius to a ViewModel property the value is not recognized:

      <Border x:Name="myBorder"
              Margin="0,10,0,0"
              BackgroundColor="Blue"
              Padding="0"
              StrokeThickness="0">
        <Border.StrokeShape>
          <RoundRectangle CornerRadius="{Binding Corner}" />
        </Border.StrokeShape>
        <Label Text="Welcome to &#10;.NET Multi-platform App UI"
               Style="{StaticResource SubHeadline}"
               SemanticProperties.HeadingLevel="Level2"
               SemanticProperties.Description="Welcome to dot net Multi platform App U I" />
      </Border>

Viewmodel:

        public TestViewModel()
        {
            Corner = new CornerRadius(4);
        }

The corner should be 4. But it's set to 0:

Also if you click the button and set it to 12:

        private void OnCounterClicked(object sender, EventArgs e)
        {
            var model = (TestViewModel)BindingContext;
            model.Corner = new CornerRadius(12);
        }

Steps to Reproduce

Open Repro.
Nightly Version: 8.0.60-ci.net8.24274.1
MauiApp8.zip

Link to public reproduction project repository

No response

Version with bug

Nightly / CI build (Please specify exact version)

Is this a regression from previous behavior?

Not sure, did not test other versions

Last version that worked well

Unknown/Other

Affected platforms

Android

Affected platform versions

No response

Did you find any workaround?

No response

Relevant log output

No response

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[kubaflo]

Hi, @AlleSchonWeg a quick fix to your issue would be to use data binding with x:reference

<Border.StrokeShape>
   <RoundRectangle CornerRadius="{Binding BindingContext.Corner, Source={x:Reference Self}}" />
</Border.StrokeShape>