private void On_BTN_Insert_Click(object sender, RoutedEventArgs e)
{
if (LB_Gaos.SelectedIndex != -1)
{
int idx = LB_Gaos.SelectedIndex + 1;
GaoVM vm = new GaoVM();
vm.Name = TXT_Name.Text;
vm.Text = TXT_Text.Text;
GaoData.Data.Insert(idx, vm);
_colle.Insert(idx, vm);
TXT_Text.Clear();
LB_Gaos.ScrollIntoView(vm);
}
}
