private void contactList_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
{
if (e.KeyCode == Keys.Delete)
{
if (contactList.SelectedNode != null)
{
ContactGroup group = contactList.SelectedNode.Tag as ContactGroup;
if (group != null)
{
cl.Groups.Remove(group);
}
else
{
Contact contact = contactList.SelectedNode.Tag as Contact;
if (contact != null)
{
group = contactList.SelectedNode.Parent.Tag as ContactGroup;
if (group == null)
{
cl.Contacts.Remove(contact);
}
else
{
group.Remove(contact);
}
}
}
}
}
}
private void contactList_DragDrop(object sender, System.Windows.Forms.DragEventArgs e)
{
if (draggingContact != null)
{
Point p = new Point(e.X, e.Y);
p = contactList.PointToClient(p);
TreeNode node = contactList.GetNodeAt(p.X, p.Y);
if (node != null && node.Parent == null)
{
ContactGroup group = node.Tag as ContactGroup;
if (draggingFromGroup != group)
{
if (draggingFromGroup != null)
{
draggingFromGroup.Remove(draggingContact);
}
if (group != null)
{
group.Add(draggingContact);
}
}
//node.Expand ();
}
}
}