Forums | NoesisGUI

Posted: **11 Aug 2026, 18:48**

Hey, what's the best way to invert a bool binding with Studio?

<Button IsEnabled="{Binding Path=bDisabled}"/> <!--(want !bDisabled)-->

You can use DataTriggers to set the property, or would having a converter in Studio be useful, perhaps?

Posted: **13 Aug 2026, 12:35**

I think a converter is the best solution here. I have added BoolInvertConverter to the toolkit. It will be available in the next release candidate of 4.0.

////////////////////////////////////////////////////////////////////////////////////////////////////
bool BoolInvertConverter::TryConvert(BaseComponent* value, const Type*, BaseComponent*,
    Ptr<BaseComponent>& result)
{
    if (Boxing::CanUnbox<bool>(value))
    {
        bool currentValue = Boxing::Unbox<bool>(value);
        result.Reset(Boxing::Box(!currentValue));
        return true;
    }

    return false;
}

////////////////////////////////////////////////////////////////////////////////////////////////////
bool BoolInvertConverter::TryConvertBack(BaseComponent* value, const Type*, BaseComponent*,
    Ptr<BaseComponent>& result)
{
    if (Boxing::CanUnbox<bool>(value))
    {
        bool currentValue = Boxing::Unbox<bool>(value);
        result.Reset(Boxing::Box(!currentValue));
        return true;
    }

    return false;
}

Posted: **13 Aug 2026, 13:34**

Brilliant! Thanks for that, it will come in handy

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