Returns or sets the position of the light source relative to the extrusion. Can be one of the following MsoPresetLightingDirection constants: msoLightingBottom, msoLightingBottomLeft, msoLightingBottomRight, msoLightingLeft, msoLightingNone, msoLightingRight, msoLightingTop, msoLightingTopLeft, msoLightingTopRight, or msoPresetLightingDirectionMixed. Read/write Long.
Note You won't see the lighting effects you set if the extrusion has a wire frame surface.