private void AddTree(Tree tree)
{
tree.TreeViewNode.SelectedImageKey = tree.TreeViewNode.ImageKey;
tree.TreeViewNode.Tag = tree;
treeMain.Nodes.Add(tree.TreeViewNode);
treeMain.Font = AppSettings.Font;
_rootNodes.Add(tree);
tree.RefreshTree();
}
private void AddTree(Tree tree, int positionIndex)
{
tree.TreeViewNode.SelectedImageKey = tree.TreeViewNode.ImageKey;
tree.TreeViewNode.Tag = tree;
// Remember current Tree's position index
_treeToPositionIndex[tree] = positionIndex;
// Add Tree's node in position index order. Because TreeNodeCollections cannot be sorted,
// we create a list from it, sort it, then clear and re-add the nodes back to the collection.
treeMain.BeginUpdate();
List <TreeNode> nodeList = treeMain.Nodes.OfType <TreeNode>().ToList();
nodeList.Add(tree.TreeViewNode);
treeMain.Nodes.Clear();
treeMain.Nodes.AddRange(nodeList.OrderBy(treeNode => _treeToPositionIndex[treeNode.Tag as Tree]).ToArray());
treeMain.EndUpdate();
treeMain.Font = AppSettings.Font;
_rootNodes.Add(tree);
tree.RefreshTree();
}
