I remembered, that I've already read something very similar. Look here: http://groups.google.de/groups?hl=de&lr=&ie=UTF-8&frame=right&rnum=1&thl=0,1042084886,1042072683,1041557332,1041489000,1041405827,1040684903,1042040091,1041992949,1041893772,1041839812,1041698124&seekm=3f357a9b%40shknews01#link1 Or just search for C# Python in c.l.p