public string AddFolder()
{
AddFolder cb = new AddFolder(GetFoldersCollection());
bool?dialogResult = cb.ShowDialog();
if (dialogResult.Value)
{
//save category
if (cb.ParentFolder != null)
{
return(pbData.AddFolder(cb.FolderName, false, cb.ParentFolder.Id));
}
else
{
return(pbData.AddFolder(cb.FolderName, false));
}
}
return(null);
}