private void ListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
var core = new CoreFunc();
var categoryName = ((ListBoxItem)this.CategoryListBox.SelectedItem).Content.ToString();
var messages = new List <Message>();
if (categoryName.Contains("Входящие"))
{
messages = core.GetIncomingMessages();
}
else if (categoryName.Contains("Исходящие"))
{
messages = core.GetOutgoingMessages();
}
else if (categoryName.Contains("Требуется ответ"))
{
messages = core.GetNeedAnswerMessages();
}
else if (categoryName.Contains("Архив"))
{
messages = core.GetArchiveMessages();
}
FillMessageGrid(messages);
}