private void buttonControlUp_Click(object sender, EventArgs e) {
if (listviewControls.SelectedIndices.Count == 1) {
int j = listviewControls.SelectedIndices[0];
if (j > 0) {
Interface.Control c = Interface.CurrentControls[j];
Interface.CurrentControls[j] = Interface.CurrentControls[j - 1];
Interface.CurrentControls[j - 1] = c;
ListViewItem v = listviewControls.Items[j];
listviewControls.Items.RemoveAt(j);
listviewControls.Items.Insert(j - 1, v);
}
}
}