[vtkusers] How to get the clientData for user defined Tcl commands?

[Kevin Wright]

> My question is : how to retrieve the ClientData for the newly
> created command renderer?
> I am trying the following

In vtkTclUtil.cxx there is a function vtkTclGetPointerFromObject which takes the name of an object in Tcl space ("renderer" in your case) and returns a vtk object pointer.  I think that's what you're after.

Kevin.