private void btnAddContactGroup_Click(object sender, EventArgs e)
{
// добавление группы контактов
AddressBook.ContactGroup contactGroup = new AddressBook.ContactGroup(LibPhrases.NewContactGroup);
TreeNode contactGroupNode = CreateContactGroupNode(contactGroup);
treeView.Add(rootNode, contactGroupNode);
contactGroupNode.BeginEdit();
Modified = true;
}
/// <summary>
/// Создать узел дерева для группы контактов
/// </summary>
private TreeNode CreateContactGroupNode(AddressBook.ContactGroup contactGroup)
{
string imageKey = contactGroup.Contacts.Count > 0 ? "folder_open.png" : "folder_closed.png";
TreeNode contactGroupNode = TreeViewUtils.CreateNode(contactGroup, imageKey, true);
foreach (AddressBook.Contact contact in contactGroup.Contacts)
{
contactGroupNode.Nodes.Add(CreateContactNode(contact));
}
return(contactGroupNode);
}