AbstractDockItem Insert(string uri)
{
if (uri == null)
{
throw new ArgumentNullException("uri");
}
if (items.ContainsKey(uri))
{
return(null);
}
AbstractDockItem item;
try {
if (uri.EndsWith(".desktop"))
{
item = ApplicationDockItem.NewFromUri(uri);
}
else
{
item = FileDockItem.NewFromUri(uri);
}
} catch (Exception e) {
Log <FileApplicationProvider> .Debug(e.Message);
Log <FileApplicationProvider> .Debug(e.StackTrace);
item = null;
}
if (item == null)
{
return(null);
}
items[uri] = item;
Items = InternalItems;
UpdateTransientItems();
return(item);
}