void FtpDirTree_BeforeExpand(object sender, TreeViewCancelEventArgs e)
{
TreeNode node = e.Node;
Cursor wasCursor = null;
// the tag of the node contains the full path of the ftp directory.
FullPath filePath = (FullPath)node.Tag;
// calc if the node contains a single, empty node.
if ((node.Nodes.Count == 1) &&
(Stringer.GetFromStringObject(node.Nodes[0].Tag, "") == "empty"))
{
node.Nodes.Clear();
try
{
wasCursor = Cursor.Current;
Cursor.Current = Cursors.WaitCursor;
mFtpDirTree.BeginUpdate();
FtpDirTree_FillDirNode(filePath, node);
}
finally
{
mFtpDirTree.EndUpdate();
Cursor.Current = wasCursor;
}
}
}
