Tutorial for LinphoneSDK x UWP - C#

uwp/cs/07_AdvancedChat/Shared/ChatRoomToStringConverter.cs

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+using Linphone;
+using System;
+using System.Linq;
+using Windows.UI.Xaml.Data;
+
+namespace _07_AdvancedChat.Shared
+{
+	public class ChatRoomToStringConverter : IValueConverter
+	{
+		object IValueConverter.Convert(object value, Type targetType, object parameter, string language)
+		{
+			ChatRoom chatRoom = (ChatRoom)value;
+			string nameInList = null;
+			if (chatRoom.HasCapability((int)ChatRoomCapabilities.Basic))
+			{
+				nameInList = chatRoom.PeerAddress.Username;
+			}
+			else if (chatRoom.HasCapability((int)ChatRoomCapabilities.OneToOne))
+			{
+				nameInList = chatRoom.Participants.FirstOrDefault() == null ? "" : chatRoom.Participants.First().Address.Username;
+			}
+			else if (chatRoom.HasCapability((int)ChatRoomCapabilities.Conference))
+			{
+				nameInList = chatRoom.Subject;
+			}
+
+			// You can check the Encrypted ChatRoomCapabilities to know if a ChatRoom uses
+			// encryption or not.
+			if (chatRoom.HasCapability((int)ChatRoomCapabilities.Encrypted))
+			{
+				nameInList += " #SECURE#";
+			}
+
+			if (String.IsNullOrEmpty(nameInList))
+			{
+				nameInList = "Incoherent ChatRoom values";
+			}
+
+			return nameInList;
+		}
+
+		object IValueConverter.ConvertBack(object value, Type targetType, object parameter, string language)
+		{
+			throw new NotImplementedException();
+		}
+	}
+}

uwp/cs/07_AdvancedChat/Shared/Utils.cs

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+/*
+ * Copyright (c) 2010-2020 Belledonne Communications SARL.
+ *
+ * This file is part of Linphone TutorialCS.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+using System;
+using System.Threading.Tasks;
+using Windows.UI.Xaml.Controls;
+
+namespace _07_AdvancedChat.Shared
+{
+	public class Utils
+	{
+		public static async Task<string> InputTextDialogAsync(string title)
+		{
+			TextBox inputTextBox = new TextBox
+			{
+				AcceptsReturn = false,
+				Height = 32
+			};
+			ContentDialog dialog = new ContentDialog
+			{
+				Content = inputTextBox,
+				Title = title,
+				IsSecondaryButtonEnabled = true,
+				PrimaryButtonText = "OK",
+				SecondaryButtonText = "Cancel"
+			};
+			if (await dialog.ShowAsync() == ContentDialogResult.Primary)
+				return inputTextBox.Text;
+			else
+				return "";
+		}
+	}
+}