爱华网{
if (listView.SelectedItems.Count == 0)
{
return;
}
listView.BeginUpdate();
if (listView.SelectedItems[0].Index > 0)
{
foreach (ListViewItem lvi inlistView.SelectedItems)
{
ListViewItem lviSelectedItem = lvi;
int indexSelectedItem = lvi.Index;
listView.Items.RemoveAt(indexSelectedItem);
listView.Items.Insert(indexSelectedItem - 1,lviSelectedItem);
}
}
listView.EndUpdate();
if (listView.Items.Count > 0 &&listView.SelectedItems.Count > 0)
{
listView.Focus();
listView.SelectedItems[0].Focused = true;
listView.SelectedItems[0].EnsureVisible();
}
}
//下移
private void ListViewDownMove(ListView listView)
{
if (listView.SelectedItems.Count == 0)
{
return;
}
listView.BeginUpdate();
int indexMaxSelectedItem =listView.SelectedItems[listView.SelectedItems.Count -1].Index;
if (indexMaxSelectedItem < listView.Items.Count -1)
{
for (int i = listView.SelectedItems.Count - 1; i >= 0;i--)
{
ListViewItem lviSelectedItem =listView.SelectedItems[i];
int indexSelectedItem = lviSelectedItem.Index;
listView.Items.RemoveAt(indexSelectedItem);
listView.Items.Insert(indexSelectedItem + 1,lviSelectedItem);
}
}
listView.EndUpdate();
if (listView.Items.Count > 0 &&listView.SelectedItems.Count > 0)
{
listView.Focus();
listView.SelectedItems[listView.SelectedItems.Count - 1].Focused =true;
listView.SelectedItems[listView.SelectedItems.Count -1].EnsureVisible();
}
}
