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Asked: 2026-05-18T09:03:55+00:00

I am building a CustomControl that must unfortunately contain a poorly built sub-control to

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I am building a CustomControl that must unfortunately contain a poorly built sub-control to which I have neither the code, nor the ability to re-template (internal yada, yada). I do however have access to change its resources, which leaves me with the following question:

If I want to expose a dependencyProperty on my new CustomControl that changes the value of a resource (Brush), is it better to make a PropertyChangedCallback that sets the resource explicitly, or to create a binding to the DP and set the resource to the binding.

I’m sure it doesn’t make a huge difference in performance, but what is the ‘right’ way to go?

Thank you kindly.

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1 Answer

  1. Editorial Team

    @ach:-

    Right now your requirement is to change Brush and may be in future you may need to do othere thing on that, so it will be better to make a PropertyChangedCallback that sets the resource and will do other stuff.

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