Creates an ActiveShade rendering that is "docked" in a viewport.
ActiveShade viewport
Only one ActiveShade rendering can be displayed at a time. If you try to display a floating ActiveShade window while an ActiveShade viewport is displayed, you get a message that asks whether you want to close the docked ActiveShade rendering, or stop the operation. If you go ahead and close the docked ActiveShade rendering, the viewport reverts to the view it previously showed.
The controls on the toolbar for an ActiveShade viewport are the same as for a floating ActiveShade window.
To change the ActiveShade viewport to another kind of viewport, do one of the following:
The viewport reverts to the view it previously showed.