private MultiMap<string, NwdPortableDeviceObject> FindByUriCached(string uri)
{
MultiMap<string, NwdPortableDeviceObject> masterMap =
new MultiMap<string, NwdPortableDeviceObject>();
NwdUri nwdUri = new NwdUri(uri);
var col = new NwdPortableDeviceCollection();
try
{
col.Refresh();
}
catch (Exception ex)
{
Display.Exception(ex);
}
foreach (var device in col)
{
if (device.RootFolder != null)
{
//device level
foreach (NwdPortableDeviceObject pdo
in device.RootFolder.Files)
{
//start a new multimap for each device/storage location
MultiMap<string, NwdPortableDeviceObject> found =
new MultiMap<string, NwdPortableDeviceObject>();
//need to reset Uri for each device/storage location
nwdUri.ResetStack();
//internal vs external storage level
if (pdo is NwdPortableDeviceFolder)
{
NwdPortableDeviceFolder folder =
(NwdPortableDeviceFolder)pdo;
Retrieve(device, folder, ref nwdUri, ref found);
}
//add found into master map
masterMap.AddAll(found);
}
}
}
return masterMap;
}