RhinoCommon API
RhinoViewportChangeCounter Property |
The value of change counter is incremented every time the view projection
or construction plane changes. The user can the mouse and nestable view
manipulation commands to change a view at any time. The value of change
counter can be used to detect these changes in code that is sensitive to
the view projection.
Namespace: Rhino.Display
Assembly: RhinoCommon (in RhinoCommon.dll)

Property Value
Type: UInt32
Rhino for Mac
Supported in: 5.4Rhino for Windows
Supported in: 6.8