Twoway-bind view’s DependencyProperty to viewmodel’s property?

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If you want to do it in XAML, you could try using styles to achieve that.

Here’s an example:

<UserControl x:Class="MyModule.MyView"
             xmlns:local="clr-namespace:MyModule">
    <UserControl.Resources>
        <Style TargetType="local:MyView">
            <Setter Property="MyViewProperty" Value="{Binding MyViewModelProperty, Mode=TwoWay}"/>
        </Style>
    </UserControl.Resources>
    <!-- content -->
</UserControl>

In your case both MyViewProperty and MyViewModelProperty would be named MyProperty but I used different names just to be clear about what is what.

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