private void valLblUpBut_Click(object sender, RoutedEventArgs e)
{
int curindex = ValLstBox.SelectedIndex;//ValLstBox.Items.IndexOf(LabeltextBox.Text);//
string selecteditem = getItemAtIndex(curindex);
if (curindex > 0)
{
ValLstBox.Items.RemoveAt(curindex);//selected removed
ValLstBox.Items.Insert(curindex, getItemAtIndex(curindex - 1));//shifting above item one step down
ValLstBox.Items.RemoveAt(curindex - 1);
ValLstBox.Items.Insert(curindex - 1, selecteditem);
ValLstBox.SelectedIndex = curindex - 1;
modified = true;
}
}