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wpf - How do I convert a Color to a Brush in XAML?

I want to convert a System.Windows.Media.Color value to a System.Windows.Media.Brush. The color value is databound to a Rectangle object's Fill property. The Fill property takes a Brush object, so I need an IValueConverter object to perform the conversion.

Is there a built-in converter in WPF or do I need to create my own? How do I go about creating my own if it becomes necessary?

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I know I am really late to the party, but you don't need a converter for this.

You could do

<Rectangle>
    <Rectangle.Fill>
        <SolidColorBrush Color="{Binding YourColorProperty}" />
    </Rectangle.Fill>
</Rectangle>

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