delete derived objects using MultiTask *. git-svn-id: https://svn.microneil.com/svn/CodeDweller/branches/adeniz_1@104 d34b734f-a00e-4b39-a726-e4eeb87269ab
git-svn-id: https://svn.microneil.com/svn/CodeDweller/branches/adeniz_1@103 d34b734f-a00e-4b39-a726-e4eeb87269ab
git-svn-id: https://svn.microneil.com/svn/CodeDweller/branches/adeniz_1@102 d34b734f-a00e-4b39-a726-e4eeb87269ab