partial class Examples
{
  public static Result SetViewName(RhinoDoc doc)
  {
    var view = doc.Views.ActiveView;
    if (view == null)
      return Result.Failure;

    view.MainViewport.Name = "Facade";
    return Result.Success;
  }
}

Partial Friend Class Examples
  Public Shared Function SetViewName(ByVal doc As RhinoDoc) As Result
	Dim view = doc.Views.ActiveView
	If view Is Nothing Then
	  Return Result.Failure
	End If

	view.MainViewport.Name = "Facade"
	Return Result.Success
  End Function
End Class

from Rhino.Commands import *
import rhinoscriptsyntax as rs
from scriptcontext import doc

def RunCommand():
    view = doc.Views.ActiveView
    if view == None:
        return Result.Failure

    view.MainViewport.Name = "Facade"
    return Result.Success

if __name__ == "__main__":
    RunCommand()