public void Snap()
{
machine.LockMachine(session, LockType.LockType_Write);
if (machine.SnapshotCount > 0)
{
var snapshot = machine.FindSnapshot("origin");
machine.DeleteSnapshot(snapshot.Id).WaitForCompletion(-1);
}
string id;
machine.TakeSnapshot("origin", "чистое состояние", 1, out id).WaitForCompletion(-1);
session.UnlockMachine();
}