public async void DeleteMessages(object obj)
{
var app = Application.Current as App;
var items = (Message)obj;
while (true)
{
try
{
var result = await MongoConnectionMessage.DeleteOneAsync(f => (f.Id == items.Id || f.Sender.Equals(app.Email) || f.Sender.Equals(app.Email)) && (f.SpecialBookName == items.SpecialBookName));
}
catch (Exception)
{
break;
}
}
}
