private void On_BTN_Add_Click(object sender, RoutedEventArgs e)
{
GaoVM vm = new GaoVM();
vm.Name = TXT_Name.Text;
vm.Text = TXT_Text.Text;
GaoData.Data.AddData(vm);
_colle.Add(vm);
TXT_Text.Clear();
LB_Gaos.ScrollIntoView(vm);
}
