private void RefreshNode(TreeNode thisRoot)
{
//Debug.WriteLine("In RefreshNode: Node = " & thisRoot.Tag.path & " -- " & thisRoot.Tag.displayname)
if (!(thisRoot.Nodes.Count == 1 && thisRoot.Nodes[0].Text.Equals(" : ")))
{
CShItem thisItem = thisRoot.Tag as CShItem;
if (thisItem.RefreshDirectories()) //RefreshDirectories True = the contained list of Directories has changed
{
List <CShItem> curDirs = thisItem.GetDirectories(false); //suppress 2nd refresh
ArrayList delNodes = new ArrayList();
TreeNode node;
foreach (TreeNode tempLoopVar_node in thisRoot.Nodes) //this is the old node contents
{
node = tempLoopVar_node;
int i;
for (i = 0; i <= curDirs.Count - 1; i++)
{
if (((CShItem)(curDirs[i])).Equals(node.Tag))
{
curDirs.RemoveAt(i); //found it, don't compare again
goto NXTOLD;
}
}
//fall thru = node no longer here
delNodes.Add(node);
NXTOLD:
1.GetHashCode(); //nop
}
if (delNodes.Count + curDirs.Count > 0) //had changes
{
try
{
tv1.BeginUpdate();
foreach (TreeNode tempLoopVar_node in delNodes) //dir not here anymore, delete node
{
node = tempLoopVar_node;
thisRoot.Nodes.Remove(node);
}
//any CShItems remaining in curDirs is a new dir under thisRoot
CShItem csi;
foreach (CShItem tempLoopVar_csi in curDirs)
{
csi = tempLoopVar_csi;
if (!(csi.IsHidden && !m_showHiddenFolders))
{
thisRoot.Nodes.Add(MakeNode(csi));
}
}
//we only need to resort if we added
//sort is based on CShItem in .Tag
if (curDirs.Count > 0)
{
TreeNode[] tmpA = new TreeNode[thisRoot.Nodes.Count];
thisRoot.Nodes.CopyTo(tmpA, 0);
Array.Sort(tmpA, new ExpTreeLib.CShItem.TagComparer());
thisRoot.Nodes.Clear();
thisRoot.Nodes.AddRange(tmpA);
}
}
catch (Exception ex)
{
Debug.WriteLine("Error in RefreshNode -- " + ex.ToString() + "\r\n" + ex.StackTrace);
}
finally
{
tv1.EndUpdate();
}
}
}
}
//Debug.WriteLine("Exited RefreshNode")
}
