protected int ComputeTargetVectorIndex()
{
Debug.Assert(m_fdoRS != null);
Debug.Assert(m_hvoTarget > 0);
if (m_fdoRS == null || m_hvoTarget <= 0)
return -1;
int[] hvos = m_fdoRS.ToHvoArray();
for (int i = 0; i < hvos.Length; i++)
{
if (hvos[i] == m_hvoTarget)
return i;
}
return -1;
}