Question

I have the following converter:

public class EnumDescriptionConverter : IValueConverter
{       

    public object Convert(object value, Type targetType, object parameter,
                          CultureInfo culture)
    {                        
            var enumValue = (MyEnum)value;

            //GetDescription is method to read attribute string value.
            return enumValue.GetDescription();            
    }        
}

I have a listbox:

<ListBoxItem Content=
"{Binding {x:Static Enums:MyEnum.Video}, Converter={StaticResource DescriptionConverter}}"/>

When I run this, I get exception “unable to cast MyEnum to string”. Breakpoint inside converter is not triggered.

What is wrong?

Answer 1

You’re trying to bind the Enum to the Binding’s Path property

Specify that the Enum is the Source property instead

<ListBoxItem Content="{Binding
    Source={x:Static Enums:MyEnum.Video}, 
    Converter={StaticResource DescriptionConverter}}"/>