A converter for use in XAML to convert a boolean to any true/false value.

BoolToAnyConverter.cs

public class BoolToAnyConverter : IValueConverter
{
    public object TrueValue { get; set; }
    public object FalseValue { get; set; }

    public object Convert(object value, Type targetType, object parameter, string language)
    {
        return (bool)value ? TrueValue : FalseValue;
    }

    public object ConvertBack(object value, Type targetType, object parameter, string language)
    {
        return value == TrueValue;
    }
}