using System; using System.Globalization; using System.Windows; using System.Windows.Data; namespace ChatController.Converter { public class UserProfilePictureVisibilityConverter : IMultiValueConverter { public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture) { if(!(values is null) && values.Length == 2 && values[0] is bool isMyMessage && values[1] is bool isGroupChat) { if(parameter is string test && test == "reverse") { return isMyMessage && isGroupChat ? Visibility.Visible : Visibility.Collapsed; } return !isMyMessage && isGroupChat ? Visibility.Visible : Visibility.Collapsed; } return Visibility.Collapsed; } public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture) { throw new NotImplementedException(); } } }