| AddRef()=0 | IMCUnknown | [pure virtual] |
| GetBackdropColor(TMCColorRGB &color, boolean &fullAreaDone, const TBBox2D &screenMinMax, const TVector2 &uv)=0 | I3DExBackdrop | [pure virtual] |
| QueryInterface(const MCIID &riid, void **ppvObj)=0 | IMCUnknown | [pure virtual] |
| Release()=0 | IMCUnknown | [pure virtual] |
1.6.3