Attribute that can be added to types deriving from InteractiveGizmo.
The interactive gizmo implementation will then be instanced and activated whenever an interactive gizmo
for the specified type is required. If type is null the gizmo will always be active.
Attribute that can be added to types deriving from InteractiveGizmo. The interactive gizmo implementation will then be instanced and activated whenever an interactive gizmo for the specified
typeis required. Iftypeisnullthe gizmo will always be active.