public void Load(TreeNode parent)
{
if (parent == null)
{
return;
}
if (parent.Tag == null)
{
return;
}
if (Root != null)
{
if (Root.Pidl == ((PIDL)parent.Tag).Pidl)
{
return;
}
}
if (diskReader != null)
{
foreach (DiskReader reader in diskReader)
{
reader.Cancel = true;
}
}
diskReader = new List <DiskReader>();
this.parent = parent;
BeginUpdate();
SuspendLayout();
Items.Clear();
largeimagelist.Images.Clear();
smallimagelist.Images.Clear();
Root = (PIDL)((PIDL)parent.Tag).Clone();
{
ListViewItems = new List <ListViewItem>();
//if (parent.Parent != null)
//{
// using (PIDL owner = (PIDL)((PIDL)parent.Parent.Tag).Clone())
// ListViewItems.Add(new ListViewItem(owner.DisplayName));
//}
Cursor = Cursors.WaitCursor;
using (ShellFolder folder = new ShellFolder(Root))
{
List <PIDL> children = folder.GetFolders(ShowHidden);
if (children == null)
{
ResumeLayout();
EndUpdate();
Cursor = Cursors.Default;
return;
}
foreach (PIDL child in children)
{
ListViewItem item = new ListViewItem(child.DisplayName);
item.ImageIndex = -1;
item.Tag = child;
item.SubItems.Add(child.TypeName);
ListViewItems.Add(item);
item.Name = child.PhysicalPath + child.DisplayName;
if (child.IsFileSystem)
{
if (child.IsCompressed)
{
FileInfo fi = new FileInfo(child.PhysicalPath);
try
{
item.SubItems.Add(StrFormatByteSize(fi.Length));
}
catch (Exception ex)
{
item.SubItems.Add(ex.Message);
}
}
else
{
diskReader.Add(new DiskReader(child.PhysicalPath, item));
diskReader[diskReader.Count - 1].DiskReadComplete += DiskReader_DiskReadComplete;
diskReader[diskReader.Count - 1].Progress += ListViewEx_Progress;
item.SubItems.Add("");
item.BackColor = Color.Wheat;
item.UseItemStyleForSubItems = true;
item.SubItems.Add("");
item.SubItems.Add("");
}
}
else
{
item.SubItems.Add("");
}
item.SubItems.Add("");
item.Name = child.PhysicalPath + child.DisplayName;
}
children = folder.GetFiles(ShowHidden);
if (children == null)
{
return;
}
foreach (PIDL child in children)
{
if (!child.IsFolder)
{
ListViewItem item = new ListViewItem(child.DisplayName);
item.ImageIndex = -1;
item.Tag = child;
item.SubItems.Add(child.TypeName);
ListViewItems.Add(item);
if (child.PhysicalPath.Length > 0)
{
FileInfo fi = new FileInfo(child.PhysicalPath);
item.SubItems.Add(StrFormatByteSize(fi.Length));
}
else
{
item.SubItems.Add("");
}
item.SubItems.Add("");
}
}
Items.AddRange(ListViewItems.ToArray());
ResumeLayout();
EndUpdate();
Cursor = Cursors.Default;
ThreadPool.QueueUserWorkItem(UpdateIcons);
}
}
}