Tutorial for LinphoneSDK x UWP - C#

uwp/cs/06_GroupChat/Shared/ChatRoomToStringConverter.cs

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+using Linphone;
+using System;
+using System.Linq;
+using Windows.UI.Xaml.Data;
+
+namespace _06_GroupChat.Shared
+{
+	public class ChatRoomToStringConverter : IValueConverter
+	{
+		object IValueConverter.Convert(object value, Type targetType, object parameter, string language)
+		{
+			// We use this converter to choose how to display the ChatRoom in the list.
+			ChatRoom chatRoom = (ChatRoom)value;
+			string nameInList = null;
+			if (chatRoom.HasCapability((int)ChatRoomCapabilities.Basic))
+			{
+				// For a basic ChatRoom we chose to display the peer Username
+				nameInList = chatRoom.PeerAddress.Username;
+			}
+			else if (chatRoom.HasCapability((int)ChatRoomCapabilities.OneToOne))
+			{
+				// If the ChatRoom is a OneToOne conference (we will speak more about those in further steps)
+				nameInList = chatRoom.Participants.FirstOrDefault() == null ? "" : chatRoom.Participants.First().Address.Username;
+			}
+			else if (chatRoom.HasCapability((int)ChatRoomCapabilities.Conference))
+			{
+				// The subject for a conference
+				nameInList = chatRoom.Subject;
+			}
+
+			if (String.IsNullOrEmpty(nameInList))
+			{
+				nameInList = "Incoherent ChatRoom values";
+			}
+
+			return nameInList;
+		}
+
+		object IValueConverter.ConvertBack(object value, Type targetType, object parameter, string language)
+		{
+			throw new NotImplementedException();
+		}
+	}
+}