[vtkusers] How to use vtkAngleWidget only once ?

[yarram]

Hi all, I have a vtkAngleWidget, which will be activated on a button press in
callback class. But it is activated only when the vtkRenderWindowInteractor
is started like "iren->Start();", which will start a new process again. How
can I use vtkAngleWidget without starting vtkRenderWindowInteractor. And,
once this vtkAngleWidget is activated, I need to use it only one time, after
that it has to be de-activated. But, it is making me to use it multiple
times. How can I de-activate it immediately I use it for first time ? Please
help me, and thanks in advance.....



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