private void ListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (e.RoutedEvent.Name == "SelectionChanged")
{
ListBox item = sender as ListBox;
if (item.DataContext != null)
{
OnlineUserData model = item.SelectedItem as OnlineUserData;
_mainVM.SeleteManInfo = model;
}
}
}
private void RemoveOnlineUser(string userName)
{
try
{
OnlineUserData user = _vm.OnlineUser.Single(T => T.UserName == userName);
Application.Current.Dispatcher.Invoke(() => _vm.OnlineUser.Remove(user));
}
catch (Exception)
{
Application.Current.Dispatcher.Invoke(() => _vm.OnlineUser.Distinct());
Console.WriteLine("无法移除用户");
}
}
private void AddOnlineUserData(OnlineUserInfo user)
{
OnlineUserData userData = new OnlineUserData();
userData.UserName = user.UserName;
if (user.NickName == null || user.NickName == string.Empty)
{
userData.NickName = user.UserName;
}
else
{
userData.NickName = user.NickName;
}
if (user.ImageHash != null)
{
try
{
string path = _vm.ImagePath + HashHelper.ComputeStringMd5(user.UserName) + ".jpg";
if (File.Exists(path))
{
if (_vm.UserName == user.UserName)
{
userData.Image = new BitmapImage();
FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read);
byte[] buf = new byte[fs.Length];
fs.Read(buf, 0, (int)fs.Length);
fs.Close();
MemoryStream ms = new MemoryStream(buf);
userData.Image.BeginInit();
userData.Image.StreamSource = ms;
userData.Image.DecodePixelWidth = 200;
userData.Image.CacheOption = BitmapCacheOption.OnLoad;
userData.Image.EndInit();
userData.Image.Freeze();
}
else
{
userData.Image = new BitmapImage(new Uri(path));
userData.Image.Freeze();
}
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
Application.Current.Dispatcher.Invoke(() => _vm.OnlineUser.Add(userData));
}
private void Get_ListBox_Item(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
ListBox item = sender as ListBox;
if (item.DataContext != null)
{
OnlineUserData model = item.SelectedItem as OnlineUserData;
if (model == null)
{
return;
}
_mainVM.SeleteManInfo = model;
}
}
private void Men_Talk(object sender, RoutedEventArgs e)
{
ListBox item = e.Source as ListBox;
if (item.DataContext != null)
{
OnlineUserData model = item.SelectedItem as OnlineUserData;
if (model == null)
{
return;
}
_mainVM.SeleteManInfo = model;
_mainVM.Talk(model);
}
}
private void ListBox_Mouse_Double_Click(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
ListBox item = sender as ListBox;
if (item.DataContext != null)
{
OnlineUserData model = item.SelectedItem as OnlineUserData;
if (model == null)
{
return;
}
_mainVM.Islist = true;
_mainVM.Directory = "";
_mainVM.CallLoad(model.UserName);
}
}