TFS DELETE AND TFS DESTROY

TFSDeleteProject does not delete source but only marks it for deletion. TFSDestroy command physically. Even it destrys the deleted files which are marked as deleted when used by tfsdelete.

To use the TFSDeleteProject AND destroy command, you must belong to the Team Foundation Administrators security group

C:\ tfsdeleteproject

C:\ tfs destroy

using the above commands you can delete the files, branches etc...