private async Task <DIDLLite> BrowseFolderAsync(string id)
{
try
{
if (_browseAction != null)
{
DIDLLite didllite = new DIDLLite();
didllite.Containers = new List <Container>();
didllite.Items = new List <Item>();
int start_from = 0;
int limit = 100;
bool found = false;
do
{
_browseAction.ClearArgumentsValue();
_browseAction.SetArgumentValue("ObjectId", id);
_browseAction.SetArgumentValue("BrowseFlag", "BrowseDirectChildren");
_browseAction.SetArgumentValue("Filter", "*");
_browseAction.SetArgumentValue("StartingIndex", start_from.ToString());
_browseAction.SetArgumentValue("RequestedCount", limit.ToString());
_browseAction.SetArgumentValue("SortCriteria", "");
await _browseAction.InvokeAsync(ServiceTypes.CONTENTDIRECTORY, this.ContentDirectoryControlUrl.AbsoluteUri);
DIDLLite tmp_didllite = Deserializer.DeserializeXml <DIDLLite>(_browseAction.GetArgumentValue("Result"));
foreach (Container container in tmp_didllite.Containers)
{
didllite.Containers.Add(container);
}
foreach (Item item in tmp_didllite.Items)
{
didllite.Items.Add(item);
}
found = (tmp_didllite.Containers.Count > 0 || tmp_didllite.Items.Count > 0);
start_from += limit;
}while (found);
return(didllite);
}
return(null);
}
catch
{
return(null);
}
}