internal SLRotation3D Clone()
        {
            var rot = new SLRotation3D();

            rot.HasCamera         = HasCamera;
            rot.CameraPreset      = CameraPreset;
            rot.HasXYZSet         = HasXYZSet;
            rot.HasPerspectiveSet = HasPerspectiveSet;
            rot.decX           = decX;
            rot.decY           = decY;
            rot.decZ           = decZ;
            rot.decPerspective = decPerspective;
            rot.decDistanceZ   = decDistanceZ;

            return(rot);
        }
        private void SetAllNull()
        {
            vBlackWhiteMode   = A.BlackWhiteModeValues.Auto;
            HasBlackWhiteMode = false;

            Transform2D       = new SLTransform2D();
            HasTransform2D    = false;
            vPresetGeometry   = A.ShapeTypeValues.Rectangle;
            HasPresetGeometry = false;

            Fill       = new SLFill(listThemeColors);
            Outline    = new SLLinePropertiesType(listThemeColors);
            EffectList = new SLEffectList(listThemeColors);

            Rotation3D = new SLRotation3D();
            Format3D   = new SLFormat3D(listThemeColors);
        }