void shellBrowser_ShellItemUpdate(object sender, ShellItemUpdateEventArgs e)
{
if (updating)
{
if (this.InvokeRequired)
{
Invoke(updateInvoker, sender, e);
}
else
{
ShellItemUpdateInvoke(sender, e);
}
}
}
private void ShellItemUpdateInvoke(object sender, ShellItemUpdateEventArgs e)
{
switch (e.UpdateType)
{
case ShellItemUpdateType.Created:
#region Created
{
if (e.NewItem.IsFolder)
{
ShellItem parent = sender as ShellItem;
TreeNode parentNode;
if (folderView.GetTreeNode(parent, out parentNode))
{
TreeNode newNode = new TreeNode(
e.NewItem.Text,
e.NewItem.ImageIndex,
e.NewItem.SelectedImageIndex);
newNode.Tag = e.NewItem;
if (e.NewItem.HasSubfolder)
{
newNode.Nodes.Add(string.Empty);
}
newNode.Name = newNode.Text;
parentNode.Nodes.Add(newNode);
}
}
}
#endregion
break;
case ShellItemUpdateType.Deleted:
#region Deleted
{
if (e.OldItem.IsFolder)
{
ShellItem parent = sender as ShellItem;
TreeNode parentNode;
if (folderView.GetTreeNode(parent, out parentNode))
{
parentNode.Nodes.RemoveByKey(e.OldItem.Text);
}
}
}
#endregion
break;
case ShellItemUpdateType.Renamed:
#region Renamed
{
if (e.NewItem.IsFolder)
{
TreeNode node;
if (folderView.GetTreeNode(e.NewItem, out node))
{
node.Text = e.NewItem.Text;
node.Name = node.Text;
TreeNode parent = node.Parent;
parent.Nodes.Remove(node);
parent.Nodes.Add(node);
}
}
}
#endregion
break;
case ShellItemUpdateType.IconChange:
#region IconChange
{
if (e.NewItem.IsFolder)
{
TreeNode node;
if (folderView.GetTreeNode(e.NewItem, out node) && node.ImageIndex != e.NewItem.ImageIndex)
{
node.ImageIndex = e.NewItem.ImageIndex;
}
}
}
#endregion
break;
case ShellItemUpdateType.MediaChange:
#region MediaChange
{
TreeNode node;
if (folderView.GetTreeNode(e.NewItem, out node))
{
node.Collapse(true);
if (node.Equals(selectedNode) || folderView.IsParentNode(node, selectedNode))
{
folderView.SelectedNode = node.Parent;
}
node.Nodes.Clear();
node.ImageIndex = e.NewItem.ImageIndex;
if (e.NewItem.HasSubfolder)
{
node.Nodes.Add(string.Empty);
}
}
}
#endregion
break;
}
}
