Xamarin.CommunityToolkit by Microsoft

<PackageReference Include="Xamarin.CommunityToolkit" Version="2.0.0" />

.NET API 749,960 bytes

 ListToStringConverter

public class ListToStringConverter : ValueConverterExtension, IValueConverter
Concatenates the members of a collection, using the specified separator between each member.
public string Separator { get; set; }

The separator that should be between each item in the collection

public ListToStringConverter()

public object Convert(object value, Type targetType, object parameter, CultureInfo culture)

Concatenates the items of a collection, using the specified Separator between each item. On each item ToString() will be called.

public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)

This method is not implemented and will throw a NotImplementedException.