/// <summary>Populate the directory tree</summary>
private void SetupTree()
{
// Sort directories alphabetically
m_tree.TreeViewNodeSorter = Cmp <TreeNode> .From((l, r) => string.Compare(l.Name, r.Name));
// Dynamically add sub directory nodes as needed
m_tree.NodesNeeded += (s, a) =>
{
if (a.Node.Nodes.Count != 0)
{
return;
}
PopulateChildNodes(a.Node);
};
// Populate the tree with the drives
foreach (var dv in DriveInfo.GetDrives())
{
if (!dv.IsReady)
{
continue;
}
var drive = dv.Name.TrimEnd('\\');
var node = new TreeNode(drive, TreeNode.ETriState.Unchecked);
m_tree.Nodes.Add(node);
PopulateChildNodes(node);
}
// Checking a node adds or removes that path from the list
m_tree.AfterCheck += (s, a) =>
{
if (m_updating_check_marks != null)
{
return;
}
// Add or remove the path
var path = new Path(a.Node.FullPath);
if (a.Node.Checked)
{
Paths.AddOrdered(path, Path.Compare);
}
else
{
// If 'path' is in the list, then the ListChanging handler will call HandlePathRemoved
// If not in the list, then we need to call it explicitly
if (!Paths.Remove(path))
{
HandlePathRemoved(path);
}
}
};
}