void SetCopySourceMesh(bool toCopyMesh, bool toCopyGroups);
void GetCopySourceMesh(bool& toCopyMesh, bool& toCopyGroups) const;
void SetCopySourceMesh(bool toCopyMesh, bool toCopyGroups);
void GetCopySourceMesh(bool& toCopyMesh, bool& toCopyGroups) const;