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Parameter change using Widget Blueprint

Hi everyone,

I have a little problem with Widget Blueprints and I hope for your help :)

I have a simple interface as you see in the picture below. I just want to change the ColorSeats parameter from basic material M_Chair using my buttons. As you see, when I click on button it returns corresponding index and color. The problem is that the color is still the same.

I have: Blueprint with chair, where I create dynamic instance material in construction script and enable input in the event graph. Blueprint with single button, where I print index and color using OnClickedEvent. In the second picture you can see my overall idea for doing this, but it doesn't work. Blueprint with interface (few buttons) where I do nothing. And of course level BP with adding interface to viewport and enabling mouse cursor.

My questions are: 1. In which BP should I set the vector parameter value? 2. How do I set the proper target? Because I think it is a MID issue.

Thanks for advance!

Greetings, Maciek

scene bp

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bez tytułu1.jpg (348.2 kB)
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asked Feb 18 '15 at 02:19 PM in Blueprint Scripting

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