C# ListView上下移动选中行

//上移

private void ListViewUpMove(ListView listView)

{

if (listView.SelectedItems.Count == 0)

{

return;

}

listView.BeginUpdate();

if (listView.SelectedItems[0].Index > 0)

{

foreach (ListViewItem lvi in listView.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();

}

}