public PropertyValue FUNCTION3D_ELEM_ISFIXONPARENT {get; set;}

public:
property PropertyValue^ FUNCTION3D_ELEM_ISFIXONPARENT {
   PropertyValue^ get();
   void set (    PropertyValue^ value);
}

Property Value

If this property is enabled, then the item cannot be moved relative to the superior item. Moving the entire mounting panel by means of the "Move" functionality is still possible. The fixation can be temporarily revoked for individual items by pressing the [Shift] key while moving via Drag & Drop.

Reference

Placement3DPropertyList Class
Placement3DPropertyList Members
Overload List