public static void CopyTree(this IVsWritableSettingsStore writableSettingsStore, SettingsStoreSubCollection from, SettingsStoreSubCollection to)
{
ThreadHelper.ThrowIfNotOnUIThread();
writableSettingsStore.CopyProperties(from, to);
var fromStore = from.Root.SettingsStore;
var fromPath = from.Path;
for (uint index = 0; ; index++)
{
if (ErrorHandler.Failed(fromStore.GetSubCollectionName(fromPath, index, out var name)))
{
break;
}
var newSubCollection = new SettingsStoreSubCollection(to, name);
ErrorHandler.ThrowOnFailure(writableSettingsStore.CreateCollection(newSubCollection.Name));
writableSettingsStore.CopyTree(new SettingsStoreSubCollection(from, name), newSubCollection);
}
}