public async void CreateGroupChat()
{
var groupChat = await client.CreateConversationAsync(members : new string[] { "Jerry", "Harry" });
await client.InviteAsync(groupChat, "Bob");
await client.KickAsync(groupChat, "Harry");
await client.LeftAsync(groupChat);
}
//右键快捷菜单“删除好友”
private void ContextMenuDelete_Click(object sender, RoutedEventArgs e)
{
App.Current.Dispatcher.Invoke((Action)(async() =>
{
UserList friend = MyFriendsList[friendlist.SelectedIndex];
if (MessageBox.Show("确定要删除" + friend.Name + "吗", "警告", MessageBoxButton.YesNo) == MessageBoxResult.Yes)
{
//移除listitem，再重新绑定listitemsource
MyFriendsList.RemoveAt(friendlist.SelectedIndex);
friendlist.ItemsSource = null;
friendlist.ItemsSource = MyFriendsList;
new Tip("提示", "已成功解除与" + friend.Name + "的好友关系", 3).Show();
//将对方踢出自己的FriendsConversation，对方触发onkick事件
await User.KickAsync(FriendsConversation, member: friend.Friend.ObjectId);
//再将双方单独的_Conversation删除
try
{
List <string> members = new List <string>();
members.Add(AVUser.CurrentUser.ObjectId);
members.Add(friend.Friend.ObjectId);
await(await AVObject.GetQuery("_Conversation").WhereEqualTo("m", members).FirstAsync()).DeleteAsync();
}
catch
{
try
{
List <string> members = new List <string>();
members.Add(friend.Friend.ObjectId);
members.Add(AVUser.CurrentUser.ObjectId);
await(await AVObject.GetQuery("_Conversation").WhereEqualTo("m", members).FirstAsync()).DeleteAsync();
}
catch
{
MessageBox.Show("你早就被人家拉黑了");
}
}
//重新获取FriendsConversation
FriendsConversation = await User.GetConversationAsync(AVUser.CurrentUser.Get <string>("Friends"));
}
}));
}
