public void Reload()
{
this.TreeView.BeginWaitCursor();
this.TreeView.SuspendLayout();
try
{
DisposeEach(base.Nodes);
base.Nodes.Clear();
foreach (ShellItem shellItem in _shellItem.EnumerateChildren(ShellItem.ChildType.Folders))
{
base.Nodes.Add(new FolderTreeNode(shellItem));
}
}
catch (PathNotFoundException)
{
throw;
}
catch (Exception ex)
{
throw new PathAccessException(_shellItem.Path, ex);
}
finally
{
this.TreeView.ResumeLayout(true);
this.TreeView.EndWaitCursor();
}
}
public bool TryBrowseToVirtualLocation(string path)
{
if (string.IsNullOrEmpty(path))
{
this.BrowseTo((Pidl)null);
return(true);
}
string vRelativePath;
// try to figure how the virtual path is rooted - if there is no match, assume desktop as root
Pidl vPathRootPidl = _defaultSearchLocations.FindRoot(path, out vRelativePath) ?? _rootShellItem.Pidl;
if (string.IsNullOrEmpty(vRelativePath))
{
// no umatched path relative to the root, so we can browse there directly
// this PIDL is either owned by _rootShellItem or _defaultSearchLocations, so we don't need to dispose of it
this.BrowseTo(vPathRootPidl);
return(true);
}
string vChildComponent;
// try to find the first matching child of the discovered special path root
string vFirstComponent = GetPathRoot(vRelativePath, out vChildComponent);
using (ShellItem vPathRootShellItem = new ShellItem(vPathRootPidl, _rootShellItem, false))
{
List <ShellItem> children = new List <ShellItem>(vPathRootShellItem.EnumerateChildren());
try
{
// find the first child whose display name matches the first component of the desired path
foreach (ShellItem child in children)
{
if (string.Equals(child.DisplayName, vFirstComponent, StringComparison.InvariantCultureIgnoreCase))
{
// if we have an additional child path component, and this item has a physical path, combine them!
if (!string.IsNullOrEmpty(vChildComponent) && !string.IsNullOrEmpty(child.Path))
{
string fullyQualifiedPath = Path.Combine(child.Path, vChildComponent);
using (Pidl pidl = Pidl.Parse(fullyQualifiedPath))
{
if (pidl == null)
{
return(false);
}
this.BrowseTo(pidl);
return(true);
}
}
this.BrowseTo(child.Pidl);
return(true);
}
}
}
finally
{
// the call to EnumerateChildren() created this items - we must dispose them!
foreach (ShellItem child in children)
{
child.Dispose();
}
}
}
return(false);
}