public bool SetPositionVertices(IMesh maxMesh, MyMesh myMesh)
{
bool countChanged = false;
if (maxMesh.NumVerts != myMesh.NumVertices)
{
maxMesh.SetNumVerts(myMesh.NumVertices, false, false);
countChanged = true;
}
IPoint3 p3 = maxMesh.GetVertPtr(0);
Marshal.Copy(myMesh.Vertices.ToArray(), 0, p3.NativePointer, myMesh.NumVertices * 3);
return countChanged;
}